CN109520933A - A kind of cuvette - Google Patents
A kind of cuvette Download PDFInfo
- Publication number
- CN109520933A CN109520933A CN201811549691.5A CN201811549691A CN109520933A CN 109520933 A CN109520933 A CN 109520933A CN 201811549691 A CN201811549691 A CN 201811549691A CN 109520933 A CN109520933 A CN 109520933A
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- China
- Prior art keywords
- reflectance coating
- cuvette
- light
- transmitting plate
- pond
- Prior art date
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- Pending
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- 238000000576 coating method Methods 0.000 claims abstract description 142
- 239000011248 coating agent Substances 0.000 claims abstract description 141
- 239000007788 liquid Substances 0.000 claims description 11
- 230000003447 ipsilateral effect Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 7
- 230000003287 optical effect Effects 0.000 abstract description 7
- 238000002347 injection Methods 0.000 abstract description 6
- 239000007924 injection Substances 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000008033 biological extinction Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000002798 spectrophotometry method Methods 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005375 photometry Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Optical Measuring Cells (AREA)
Abstract
The invention belongs to field of optical measurements, and in particular to a kind of cuvette reflects the first reflectance coating and the second reflectance coating that increase light light path in cuvette by light with respect to being equipped with to be fitted to each other on the cuvette side wall.The beneficial effects of the present invention are: the 1, present invention on cuvette side wall by being arranged the first reflectance coating, the second reflectance coating, when light emission enters cuvette, measurement light path is effectively increased by multiple reflections, in the case where not changing cuvette appearance and size, the detection limit for substantially reducing existing method, improves sensitivity.2, the present invention is by being equipped with arc or meander line structure in the second reflectance coating two sides or respectively in the first, second reflectance coating, so that injection light, irradiant direction are each perpendicular to cuvette side wall, existing spectrophotometer can match the cuvette by the adjustment of slight optical path.
Description
Technical field
The invention belongs to field of optical measurements, and in particular to a kind of cuvette.
Background technique
Spectrophotometric analysis is based on Lambert-beer's law and carries out quantitative analysis, is a kind of common instrumental method.Due to
Instrument and equipment is at low cost, operate it is relatively easy, spectrophotometric analysis in the detection activity in the fields such as environment, health, water conservancy then
With more.
The physical significance of Lambert-beer's law is when a branch of collimated monochromatic ligth is perpendicular through a certain uniform non-scatter extinction
When substance, absorbance A is directly proportional to the concentration c of extinction material and absorber thickness b (light path).In actual measurement activity,
Cuvette is important photometric measurement component, its light path size has important influence to the sensitivity of method and detection limit,
And common cuvette light path is fixed as 1 to 3 cm range more, the sample that absorptivity is small or concentration is low is often difficult to measure.
Wang Jun etc. [Chinese patent literature, publication number: 206920317 U of CN] proposes a kind of cuvette for optical measurement, passes through
The multiple reflections of light in a reservoir, compared with the mode that common cuvette directly transmits, under the premise of container volume is constant,
Light path significantly increases.Change incidence angle, i.e., changeable light path numerical value realizes changeable fluid.However, the invention there is also with
Lower disadvantage: one is the failure to consider the refraction effectiveness between air and liquid level of solution, and the uncertain superposition refraction effect of liquid level
It should make emergent ray position and angle that can change at any time；Second is that being proposed to the change of instrumental optics device position higher
It is required that the instrument universality of method substantially reduces.
Summary of the invention
To solve the above-mentioned problems, the object of the present invention is to provide a kind of cuvettes, can effectively increase light path, and
With good practicability.
The present invention provides the following technical solutions:
A kind of cuvette, is respectively equipped in two opposite transmissive walls of the cuvette to be fitted to each other to reflect by light and increases light
The first reflectance coating and the second reflectance coating of light path in cuvette.
Preferably, the cuvette is square tubular structure.
As the preferred technical solution of the first of the invention, the cuvette includes at least a pair of light transmission disposed in parallel
Plate, first reflectance coating, the second reflectance coating are separately fixed on two light-transmitting plates, and the first reflectance coating, the second reflectance coating are mutual
It is staggeredly arranged so that light is injected from side light-transmitting plate, other side light-transmitting plate projects.
In the first preferred technical solution, it is further preferred that the shape of first reflectance coating, the second reflectance coating
It is all the same with size, i.e. the first reflectance coating, the second reflectance coating one end be in flat, and the other end be in curved surface or tiltedly
The curved arc or polyline shaped in face, and the first reflectance coating, the curved arc of the second reflectance coating or polyline shaped end are respectively facing the incidence side of light
To and exit direction.
As second of preferred technical solution of the invention, the cuvette includes at least a pair of light transmission disposed in parallel
Plate, first reflectance coating, the second reflectance coating are separately fixed on two light-transmitting plates；At the top of first reflectance coating and light-transmitting plate top
The distance between portion is A, and the distance between first reflectance coating bottom and light-transmitting plate bottom are B, second reflectance coating top
It is a the distance between at the top of portion and light-transmitting plate, the distance between second reflectance coating bottom and light-transmitting plate bottom are b, wherein A
> a, B > b.
In second of preferred technical solution, it is further preferred that first reflectance coating is in flat；Second reflection
The both ends of film are curved arc or polyline shaped with curved surface or inclined-plane, and centre is flat, two curved arcs of second reflectance coating
Or polyline shaped end is respectively facing the incident direction and exit direction of light.
As the third preferred technical solution of the invention, the cuvette is flow-type cuvette pond, described first
Reflectance coating, the second reflectance coating are separately fixed at flow-type cuvette pond pool wall two sides along perpendicular to the direction that liquid flows, the
One reflectance coating, the second reflectance coating are staggeredly arranged on the direction flowed perpendicular to liquid, so that light is from flow-type cuvette
The side pool wall in pond is injected, and other side pool wall projects.
In the third preferred technical solution, it is further preferred that the shape of first reflectance coating, the second reflectance coating
It is all the same with size, i.e. the first reflectance coating, the second reflectance coating one end be in flat, and the other end be in curved surface or tiltedly
The curved arc or polyline shaped in face, and the first reflectance coating, the curved arc of the second reflectance coating or polyline shaped end are respectively facing the incidence side of light
To and exit direction.
As the 4th kind of preferred technical solution of the invention, the cuvette is flow-type cuvette pond, described first
Reflectance coating, the second reflectance coating along the pool wall two sides for being separately fixed at flow-type cuvette pond perpendicular to the direction that liquid flows,
And projection of first reflectance coating on the second reflectance coating is fallen within inside the projection of the second reflectance coating itself, so that light is from flowing
The ipsilateral pool wall in formula cuvette pond is injected, and ipsilateral pool wall projects.
In the 4th kind of preferred technical solution, it is further preferred that first reflectance coating is in flat；Second reflection
The both ends of film are curved arc or polyline shaped with curved surface or inclined-plane, and centre is flat, two curved arcs of second reflectance coating
Or polyline shaped end is respectively facing the incident direction and exit direction of light.
The beneficial effects of the present invention are:
1, the present invention on cuvette side wall by being arranged the first reflectance coating, the second reflectance coating, when light emission enters cuvette, warp
It crosses multiple reflections and effectively increases measurement light path, in the case where not changing cuvette appearance and size, substantially reduce existing method
Detection limit, improve sensitivity.
2, the present invention is by being equipped with arc or broken line knot in the second reflectance coating two sides or respectively in the first, second reflectance coating
Structure, so that injection light, irradiant direction are each perpendicular to cuvette side wall, existing spectrophotometer passes through slight optical path tune
It is whole to match the cuvette.
3, when solution to be measured flows in flow-type cuvette pond, it will generate the variation of concentration, the present invention by than
The first reflectance coating, the second reflectance coating are oppositely arranged on the pool wall of color ware pond, the first reflectance coating, the second reflectance coating are in flow-type cuvette
In being staggeredly arranged on the direction perpendicular to liquid flowing in pond, cooperated by the first reflectance coating, the second reflectance coating, light
Line passes through multiple reflections, and light is that flow-type cuvette pond is injected on the same section on the direction flowed perpendicular to liquid,
And projected from flow-type cuvette pond on identical section, so that the sensitivity of detection greatly improves.
Detailed description of the invention
Fig. 1 is the conventional colorimetric ware structural schematic diagram in non-transparent face with transparent surface；
Fig. 2 is embodiment 1 or the corresponding cuvette structural schematic diagram of embodiment 3, and in figure, arrow represents light propagation side
To；
Fig. 3 is embodiment 2 or the corresponding cuvette structural schematic diagram of embodiment 4, and in figure, arrow represents light propagation side
To；
Fig. 4 is enlarged drawing at A in Fig. 3；
Fig. 5 is the corresponding cuvette structural schematic diagram of embodiment 5, and in figure, block arrow represents solution flow direction to be measured, carefully
Arrow represents the light direction of propagation；
Fig. 6 is the corresponding cuvette pond of embodiment 5 perpendicular to flow direction optical monitoring window cross-sectional structure schematic diagram,
In figure, arrow represents the light direction of propagation；
Fig. 7 is the corresponding cuvette pond of embodiment 6 perpendicular to flow direction optical monitoring window cross-sectional structure schematic diagram,
In figure, arrow represents the light direction of propagation.
Attached meaning marked in the figure is as follows:
1- light-transmitting plate 2- non-transparent the first reflectance coating of plate 3- 4- the second reflectance coating 5- curved arc end
Specific embodiment
The present invention is illustrated combined with specific embodiments below.
Embodiment 1
As shown in Figure 1, 2, a kind of cuvette is square tubular structure, including a pair of light-transmitting plate 1 and one disposed in parallel
To non-transparent plate 2 disposed in parallel, the first reflectance coating 3, the second reflectance coating 4 are separately fixed on two opposite light-transmitting plates 1, and the
One reflectance coating 3, the second reflectance coating 4 are in being staggeredly arranged, so that light is injected from side light-transmitting plate 1, other side light-transmitting plate 1 is penetrated
Out.
As shown in Fig. 2, second reflectance coating, 4 top, 3 bottom of the first reflectance coating in the present embodiment are in curved arc or folding
Threadiness 5, the setting of curved arc or polyline shaped 5 enables light to inject along perpendicular to 1 direction of light-transmitting plate, perpendicular to 1 side of light-transmitting plate
To injection.
Embodiment 2
As shown in Figure 1,3, a kind of cuvette is square tubular structure, including a pair of light-transmitting plate 1 and one disposed in parallel
To non-transparent plate 2 disposed in parallel, first reflectance coating 3, the second reflectance coating 4 are separately fixed at two light-transmitting plates being oppositely arranged
On 1, the vertical range at 3 top of the first reflectance coating and 1 top of light-transmitting plate is A, 3 bottom of the first reflectance coating and light-transmitting plate
1 bottom vertical range is B, and the vertical range at 4 top of the second reflectance coating and 1 top of light-transmitting plate is a, second reflectance coating
The vertical range of 4 bottoms and 1 bottom of light-transmitting plate is b, wherein A > a, B > b.
As shown in figure 3,4 two sides of the second reflectance coating are in curved arc or polyline shaped 5, curved arc or polyline shaped 5 make luminous energy
It is enough to be injected along perpendicular to 1 direction of light-transmitting plate, it is projected perpendicular to 1 direction of light-transmitting plate.
Embodiment 3
The tubular structure as shown in Fig. 2, a kind of cuvette is square, including two pairs of light-transmitting plates 1 disposed in parallel, described first
Reflectance coating 3, the second reflectance coating 4 are separately fixed on a pair of light-transmitting plate 1 being parallel to each other, and the first reflectance coating 3, the second reflectance coating
4 in being staggeredly arranged so that light is injected from side light-transmitting plate 1, and other side light-transmitting plate 1 projects.
In the present embodiment, second reflectance coating, 3 top, 4 bottom of the first reflectance coating are in curved arc or polyline shaped 5, so that
Light can be injected along perpendicular to 1 direction of light-transmitting plate, be projected perpendicular to 1 direction of light-transmitting plate.
Embodiment 4
As shown in Figure 3,4, a kind of cuvette is square tubular structure, including two pairs of light-transmitting plates 1 disposed in parallel, and described
One reflectance coating 3, the second reflectance coating 4 are separately fixed on a pair of light-transmitting plate 1 being parallel to each other, 3 top of the first reflectance coating with
The vertical range at the top of light-transmitting plate 1 is A, and 3 bottom of the first reflectance coating and 1 bottom vertical range of light-transmitting plate are B, described second
4 top of reflectance coating and the vertical range at 1 top of light-transmitting plate are a, and 4 bottom of the second reflectance coating is vertical with 1 bottom of light-transmitting plate
Distance is b, wherein A > a, B > b.
In the present embodiment, 4 two sides of the second reflectance coating are in curved arc or polyline shaped 5, enable light along perpendicular to
1 direction of light-transmitting plate is injected, and is projected perpendicular to 1 direction of light-transmitting plate.
Embodiment 5
As shown in Figure 5,6, a kind of cuvette is the flow-type cuvette pond with outlet, entrance.In the present embodiment, this
The cross section in flow-type cuvette pond is rectangular.
First reflectance coating 3, the second reflectance coating 4 are separately fixed at the pool wall two sides in flow-type cuvette pond, and first is anti-
Film 3, the second reflectance coating 4 are penetrated in the width direction of flow-type cuvette pond in being staggeredly arranged, so that light is from flow-type colorimetric
Ware pond pool wall side is injected, and the other side is projected.
In the present embodiment, 4 side of the second reflectance coating and side of first reflectance coating 3 far from the second reflectance coating 4 are equal
In curved arc or polyline shaped 5, the setting of this curved arc or polyline shaped 5 enables light along vertical current dynamic formula cuvette pond pool wall direction
It injects, is projected perpendicular to flow-type cuvette pond pool wall direction.
Certainly, the section in flow-type cuvette pond both can be rectangular, or circle or other shapes, by this field
Technical staff is configured according to actual needs.
When solution to be measured flows in flow-type cuvette pond, the change of concentration will be generated along the flow direction of liquid
Change, the present invention on the pool wall of cuvette pond by being arranged the first reflectance coating 3, the second reflectance coating 4, the reflection of the first reflectance coating 3, second
Film 4, in being staggeredly arranged, passes through the first reflectance coating 3,4 phase interworking of the second reflectance coating in the width direction of flow-type cuvette pond
It closes, light is the injection flow-type ratio on the same section in the width direction of flow-type cuvette pond into multiple reflections, light is crossed
Color ware pond, and projected from flow-type cuvette pond on identical section, so that the sensitivity of detection greatly improves.
Embodiment 6
As shown in fig. 7, a kind of cuvette is the flow-type cuvette pond with outlet, entrance, and in the present embodiment, this stream
The cross section in dynamic formula cuvette pond is rectangular.
First reflectance coating 3, the second reflectance coating 4 are separately fixed at flow-type cuvette pond pool wall two sides, in flow-type
In the width direction of cuvette pond, the size of the first reflectance coating 3 makes light from flow-type cuvette less than the size of the second reflectance coating 4
The ipsilateral injection of pond pool wall, ipsilateral injection.
In the present embodiment, 4 two sides of the second reflectance coating are in that curved arc or polyline shaped 5 enable light along vertical current
Dynamic formula cuvette pond pool wall direction is injected, and is projected perpendicular to flow-type cuvette pond pool wall direction.
Certainly, the section in flow-type cuvette pond both can be rectangular, or circle or other shapes, by this field
Technical staff is configured according to actual needs.
When solution to be measured flows in flow-type cuvette pond, it will generate the variation of concentration, the present invention passes through in colorimetric
First reflectance coating 3, the second reflectance coating 4 are set on the pool wall of ware pond, and the first reflectance coating 3, the second reflectance coating 4 are in flow-type cuvette pond
It is positioned opposite in width direction, it is cooperated by the first reflectance coating 3, the second reflectance coating 4, light is into multiple reflections, light is crossed
On the same section in the width direction of flow-type cuvette pond inject flow-type cuvette pond, and on identical section from
Flow-type cuvette projects in pond, so that the sensitivity of detection greatly improves.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of cuvette, which is characterized in that be respectively equipped with to be fitted to each other in two opposite transmissive walls of the cuvette and pass through light
Reflection increases the first reflectance coating (3) and the second reflectance coating (4) of light light path in cuvette.
2. a kind of cuvette according to claim 1, which is characterized in that the cuvette is square tubular structure.
3. a kind of cuvette according to claim 1 or 2, which is characterized in that the cuvette includes at least a pair of parallel
The light-transmitting plate (1) of setting, first reflectance coating (3), the second reflectance coating (4) are separately fixed on two light-transmitting plates (1), and first
Reflectance coating (3), the second reflectance coating (4) be staggeredly arranged so that light from side light-transmitting plate (1) inject, other side light-transmitting plate (1)
It projects.
4. a kind of cuvette according to claim 1 or 2, which is characterized in that the cuvette includes at least a pair of parallel
The light-transmitting plate (1) of setting, first reflectance coating (3), the second reflectance coating (4) are separately fixed on two light-transmitting plates (1)；Described
It is A at the top of one reflectance coating (3) and the distance between at the top of light-transmitting plate (1), the first reflectance coating (3) bottom and light-transmitting plate (1)
The distance between bottom is B, is a the distance between at the top of the second reflectance coating (4) top and light-transmitting plate (1), described second
The distance between reflectance coating (4) bottom and light-transmitting plate (1) bottom are b, wherein A > a, B > b.
5. a kind of cuvette according to claim 1 or 2, which is characterized in that the cuvette is flow-type cuvette pond,
First reflectance coating (3), the second reflectance coating (4) are separately fixed at flow-type cuvette along perpendicular to the direction that liquid flows
Pond pool wall two sides, the first reflectance coating (3), the second reflectance coating (4) are staggeredly arranged on the direction flowed perpendicular to liquid, make
It obtains light to inject from the side pool wall in flow-type cuvette pond, other side pool wall projects.
6. a kind of cuvette according to claim 1 or 2, which is characterized in that the cuvette is flow-type cuvette pond,
First reflectance coating (3), the second reflectance coating (4) are separately fixed at flow-type cuvette along perpendicular to the direction that liquid flows
The pool wall two sides in pond, and projection of first reflectance coating (3) on the second reflectance coating (4) falls within the second reflectance coating (4) itself
Projection inside so that light is injected from the ipsilateral pool wall in flow-type cuvette pond, ipsilateral pool wall is projected.
7. a kind of cuvette according to claim 3, which is characterized in that first reflectance coating (3), the second reflectance coating
(4) shape and size are all the same, i.e. the first reflectance coating (3), the second reflectance coating (4) one end be in flat, and the other end
It is in have the curved arc or polyline shaped of curved surface or inclined-plane, and the curved arc or polyline shaped of the first reflectance coating (3), the second reflectance coating (4)
End (5) is respectively facing the incident direction and exit direction of light.
8. a kind of cuvette according to claim 4, which is characterized in that first reflectance coating (3) is in flat；Second
The both ends of reflectance coating (4) are curved arc or polyline shaped with curved surface or inclined-plane, and centre is flat, second reflectance coating
(4) two curved arcs or polyline shaped end (5) are respectively facing the incident direction and exit direction of light.
9. a kind of cuvette according to claim 5, which is characterized in that first reflectance coating (3), the second reflectance coating
(4) shape and size are all the same, i.e. the first reflectance coating (3), the second reflectance coating (4) one end be in flat, and the other end
It is in have the curved arc or polyline shaped of curved surface or inclined-plane, and the curved arc or polyline shaped of the first reflectance coating (3), the second reflectance coating (4)
End (5) is respectively facing the incident direction and exit direction of light.
10. a kind of cuvette according to claim 6, which is characterized in that first reflectance coating (3) is in flat；The
The both ends of two reflectance coatings (4) are curved arc or polyline shaped with curved surface or inclined-plane, and centre is flat, second reflectance coating
(4) two curved arcs or polyline shaped end (5) are respectively facing the incident direction and exit direction of light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811549691.5A CN109520933A (en) | 2018-12-18 | 2018-12-18 | A kind of cuvette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811549691.5A CN109520933A (en) | 2018-12-18 | 2018-12-18 | A kind of cuvette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109520933A true CN109520933A (en) | 2019-03-26 |
Family
ID=65796576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811549691.5A Pending CN109520933A (en) | 2018-12-18 | 2018-12-18 | A kind of cuvette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109520933A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487723A (en) * | 2019-08-26 | 2019-11-22 | 长春美泰仪器有限公司 | A kind of multidimensional integration spectrum detection cell device |
| CN110793927A (en) * | 2019-11-18 | 2020-02-14 | 山东师范大学 | Portable photometer capable of adjusting ultra-long absorption optical path and measuring method thereof |
| CN117074312A (en) * | 2023-08-24 | 2023-11-17 | 上海暄泓科学仪器有限公司 | Pipetting gun head type cuvette |
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| GB1088239A (en) * | 1964-08-28 | 1967-10-25 | Technicon Instr | Colorimeter flow cell |
| JPH09203666A (en) * | 1996-01-25 | 1997-08-05 | Bunshi Bio Photonics Kenkyusho:Kk | Device and method for measuring refractive index |
| CN1415071A (en) * | 1999-12-29 | 2003-04-30 | 环境系统产品公司 | System and method for remote analysis of small engine vehicle emissisions |
| US20150308942A1 (en) * | 2014-03-26 | 2015-10-29 | The Board Of Regents, The University Of Texas System | Cavity enhancement methods, systems and devices, and methods of measuring same |
| CN206920317U (en) * | 2017-04-01 | 2018-01-23 | 苏州科技大学 | A kind of cuvette for optical measurement |
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-
2018
- 2018-12-18 CN CN201811549691.5A patent/CN109520933A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1088239A (en) * | 1964-08-28 | 1967-10-25 | Technicon Instr | Colorimeter flow cell |
| US3418053A (en) * | 1964-08-28 | 1968-12-24 | Technicon Instr | Colorimeter flow cell |
| JPH09203666A (en) * | 1996-01-25 | 1997-08-05 | Bunshi Bio Photonics Kenkyusho:Kk | Device and method for measuring refractive index |
| CN1415071A (en) * | 1999-12-29 | 2003-04-30 | 环境系统产品公司 | System and method for remote analysis of small engine vehicle emissisions |
| US20150308942A1 (en) * | 2014-03-26 | 2015-10-29 | The Board Of Regents, The University Of Texas System | Cavity enhancement methods, systems and devices, and methods of measuring same |
| CN206920317U (en) * | 2017-04-01 | 2018-01-23 | 苏州科技大学 | A kind of cuvette for optical measurement |
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| Title |
|---|
| 许春向，邹学贤主编: "现代卫生化学", 29 February 2000, 人民卫生出版社, pages: 160 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487723A (en) * | 2019-08-26 | 2019-11-22 | 长春美泰仪器有限公司 | A kind of multidimensional integration spectrum detection cell device |
| CN110793927A (en) * | 2019-11-18 | 2020-02-14 | 山东师范大学 | Portable photometer capable of adjusting ultra-long absorption optical path and measuring method thereof |
| CN117074312A (en) * | 2023-08-24 | 2023-11-17 | 上海暄泓科学仪器有限公司 | Pipetting gun head type cuvette |
| CN117074312B (en) * | 2023-08-24 | 2024-02-20 | 上海暄泓科学仪器有限公司 | Pipetting gun head type cuvette |
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