CN110793961B - Method for detecting gasoline, diesel oil, kerosene and potassium permanganate in explosive - Google Patents
Method for detecting gasoline, diesel oil, kerosene and potassium permanganate in explosive Download PDFInfo
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- CN110793961B CN110793961B CN201911104346.5A CN201911104346A CN110793961B CN 110793961 B CN110793961 B CN 110793961B CN 201911104346 A CN201911104346 A CN 201911104346A CN 110793961 B CN110793961 B CN 110793961B
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- 239000002360 explosive Substances 0.000 title claims abstract description 25
- 239000002283 diesel fuel Substances 0.000 title claims abstract description 24
- 239000003502 gasoline Substances 0.000 title claims abstract description 23
- 239000003350 kerosene Substances 0.000 title claims abstract description 23
- 239000012286 potassium permanganate Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 117
- 238000001514 detection method Methods 0.000 claims abstract description 71
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims abstract description 38
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000011259 mixed solution Substances 0.000 claims abstract description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 17
- LCGLNKUTAGEVQW-UHFFFAOYSA-N methyl monoether Natural products COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims abstract description 10
- 150000004982 aromatic amines Chemical class 0.000 claims abstract description 4
- 229960002523 mercuric chloride Drugs 0.000 claims abstract description 4
- LWJROJCJINYWOX-UHFFFAOYSA-L mercury dichloride Chemical compound Cl[Hg]Cl LWJROJCJINYWOX-UHFFFAOYSA-L 0.000 claims abstract description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 18
- 238000004806 packaging method and process Methods 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 239000003814 drug Substances 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- LPSKDVINWQNWFE-UHFFFAOYSA-M tetrapropylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCC LPSKDVINWQNWFE-UHFFFAOYSA-M 0.000 claims description 4
- HFACYLZERDEVSX-UHFFFAOYSA-N benzidine Chemical compound C1=CC(N)=CC=C1C1=CC=C(N)C=C1 HFACYLZERDEVSX-UHFFFAOYSA-N 0.000 claims description 3
- 239000011449 brick Substances 0.000 claims description 3
- 239000011859 microparticle Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 7
- 238000004458 analytical method Methods 0.000 abstract description 3
- 238000004737 colorimetric analysis Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000011895 specific detection Methods 0.000 abstract description 2
- 239000012670 alkaline solution Substances 0.000 abstract 1
- 238000012512 characterization method Methods 0.000 abstract 1
- 238000011840 criminal investigation Methods 0.000 abstract 1
- RCTYPNKXASFOBE-UHFFFAOYSA-M chloromercury Chemical compound [Hg]Cl RCTYPNKXASFOBE-UHFFFAOYSA-M 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- XTFIVUDBNACUBN-UHFFFAOYSA-N 1,3,5-trinitro-1,3,5-triazinane Chemical compound [O-][N+](=O)N1CN([N+]([O-])=O)CN([N+]([O-])=O)C1 XTFIVUDBNACUBN-UHFFFAOYSA-N 0.000 description 2
- SPSSULHKWOKEEL-UHFFFAOYSA-N 2,4,6-trinitrotoluene Chemical compound CC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O SPSSULHKWOKEEL-UHFFFAOYSA-N 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000000015 trinitrotoluene Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000001030 gas--liquid chromatography Methods 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- 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
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
-
- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/29—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using visual detection
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
本发明提供了一种爆炸物中汽油、柴油、煤油以及高锰酸钾快速检测方法，该检测方法基于化学比色法，使用有机芳香胺、浓酸与二甲基亚砜、醇、水的混合溶液，及碘化钾、氯化汞的强碱溶液为两种检测试剂，待测物与特定的检测试剂接触后发生颜色变化，根据变化后的颜色确定汽油、柴油、煤油以及高锰酸钾的存在。本发明所述的方法可用于现场搜爆及爆炸案中对爆炸物原料、爆炸物及爆炸残留物中汽油、柴油、煤油以及高锰酸钾的快速定性，具有操作简单迅速，特异性强，反应灵敏，使用方便，成本低的特点，可为公安系统刑侦部门爆炸案的侦破、线索分析提供有效技术手段。
The invention provides a rapid detection method for gasoline, diesel oil, kerosene and potassium permanganate in explosives. The detection method is based on a chemical colorimetric method and uses organic aromatic amine, concentrated acid and dimethyl sulfoxide, alcohol and water. Mixed solution and strong alkaline solution of potassium iodide and mercuric chloride are two detection reagents. The color of the test substance changes after contacting with the specific detection reagent. exist. The method of the invention can be used for rapid characterization of gasoline, diesel oil, kerosene and potassium permanganate in explosive raw materials, explosives and explosive residues in on-site explosion searches and explosion cases, and has the advantages of simple and rapid operation, strong specificity, and high specificity. With the characteristics of sensitive response, convenient use and low cost, it can provide effective technical means for the detection of explosion cases and clue analysis of the criminal investigation department of the public security system.
Description
Technical Field
The invention belongs to the field of explosive detection and analysis, and particularly relates to a method for quickly detecting gasoline, diesel oil, kerosene and potassium permanganate in an explosive.
Background
The non-standard explosive consists of a combustion agent and an oxidant. The combustion agent comprises gasoline, diesel oil, kerosene and the like, and the oxidant comprises potassium permanganate and the like.
Gasoline, diesel oil, kerosene and the like belong to petroleum products and are fuels of internal combustion engines or kerosene burners. The non-standard explosive ammonium nitrate fuel oil explosive is prepared by mixing ammonium nitrate and gasoline. At present, the identification of gasoline, diesel oil and kerosene is usually carried out by methods such as gas/liquid chromatography, mass spectrometry and the like or density identification, and potassium permanganate can obtain an identification result by element analysis. The methods are all realized by special instruments and equipment, and have poor portability in specific occasions (such as explosion case sites). In the portable explosive detection equipment sold in the current market, detection objects are standard explosives such as TNT (trinitrotoluene) and RDX (trimethylenetrinitramine) generally, and the portable explosive detection equipment has no obvious effect on gasoline, diesel oil, kerosene, potassium permanganate and the like in non-standard explosives. Therefore, a set of method for efficiently, quickly and accurately identifying the non-standard explosives is established, and the method has huge social requirements and scientific significance.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a method for rapidly detecting gasoline, diesel oil, kerosene and potassium permanganate in explosives, which is based on a chemical colorimetric method, uses a mixed solution of organic aromatic amine, concentrated acid, dimethyl sulfoxide, alcohol and water and a strong alkali solution of potassium iodide and mercury chloride as two detection reagents, and ensures that the object to be detected is in color change after contacting with a specific detection reagent and the existence of the gasoline, the diesel oil, the kerosene and the potassium permanganate is determined according to the changed color. The method can be used for rapidly determining the gasoline, diesel oil, kerosene and potassium permanganate in explosive raw materials, explosives and explosive residues in field explosion searching and explosion cases, has the characteristics of simple and rapid operation, strong specificity, sensitive reaction, convenient use and low cost, and can provide an effective technical means for detecting and analyzing clues of explosion cases in public security system criminal detection departments.
The invention relates to a method for rapidly detecting gasoline, diesel oil, kerosene and potassium permanganate in explosives, which is characterized in that a kit related in the detection method is configured into a first reagent bottle (1), a second reagent bottle (2), a first color developing bottle (3), a second color developing bottle (4), filter paper (5) and a medicine spoon (6), and the specific operation is carried out according to the following steps:
preparing a detection reagent:
a. dissolving 0.01-5% by mass of organic aromatic amine (benzidine or diphenylamine) in a mixed solution of dimethyl sulfoxide and alcohol, or a mixed solution of dimethyl sulfoxide, alcohol and water, or a mixed solution of dimethyl sulfoxide and water, adding 50-75% by mass of concentrated sulfuric acid, stirring until the concentrated sulfuric acid is completely dissolved to obtain a detection reagent, and packaging the detection reagent in a first reagent bottle (1) in a kit, wherein the volume ratio of the mixed solution of dimethyl sulfoxide and alcohol is 1:1, the volume ratio of the mixed solution of dimethyl sulfoxide, alcohol and water is 1:2:5 or 1:1:1, and the volume ratio of the mixed solution of dimethyl sulfoxide and water is 1: 5;
b. respectively adding 1-8% by mass of potassium iodide and 0.5-2.5% by mass of mercuric chloride into water, adding 10-20% by mass of strong base such as sodium hydroxide, potassium hydroxide or tetrapropylammonium hydroxide, stirring until the strong base is completely dissolved to obtain a detection reagent, and packaging the detection reagent in a second reagent bottle (2) in the kit;
the detection method comprises the following steps:
c. opening the kit, taking out a first reagent bottle (1) filled with the detection reagent in the step a and a second reagent bottle (2) filled with the detection reagent in the step b, respectively dropping the reagents in the first reagent bottle (1) and the second reagent bottle (2) into a first color developing bottle (3) and a second color developing bottle (4) serving as a comparison bottle, taking the liquid to be detected, adding the liquid to be detected into the first color developing bottle (3), shaking uniformly, observing the color change of the solution in the first color developing bottle (3), comparing the color change with the color in the second color developing bottle (4), and judging that the liquid to be detected is gasoline if the color change is brown-green; if the color of the liquid to be detected changes to orange yellow, judging that the liquid to be detected is diesel oil; if the color of the liquid to be detected is bright yellow, judging that the liquid to be detected is kerosene;
or opening the kit, taking out the second reagent bottle (2), the filter paper (5) and the medicine spoon (6) filled with the detection reagent in the step b, placing the micro particles to be detected on the filter paper (5) by using the medicine spoon (6), dripping the reagent in the second reagent bottle (2) on the object to be detected, observing the color change, and judging that the object to be detected is the potassium permanganate if the color is changed into green firstly and then changed into brick red.
Compared with the prior art, the method for rapidly detecting gasoline, diesel oil, kerosene and potassium permanganate in explosives has the following advantages:
(1) the invention can rapidly detect gasoline, diesel oil, kerosene and potassium permanganate in explosives.
(2) The invention has short detection time and accurate and visual result through colorimetric analysis.
(3) The kit has the advantages of high detection accuracy, good specificity, simple structure, convenience in use, low cost, easiness in carrying and capability of being operated by non-professional personnel.
Drawings
FIG. 1 is a schematic view of a kit according to the present invention;
FIG. 2 is a diagram of gasoline, diesel oil and kerosene which are reacted with reagents added in a first reagent bottle 1 and a second reagent bottle 2 in sequence;
fig. 3 is a graph showing the color change of the potassium permanganate of the present invention after reacting with the reagent in the second reagent bottle 2.
Detailed Description
The following is further explained in conjunction with the accompanying drawings.
Example 1
Preparing a detection reagent:
a. dissolving 5% by mass of diphenylamine in a mixed solution of dimethyl sulfoxide and ethanol in a volume ratio of 1:1, adding 50% by mass of concentrated sulfuric acid, stirring until the concentrated sulfuric acid is completely dissolved to obtain a detection reagent, and packaging the detection reagent in a first reagent bottle 1 in a kit;
b. respectively adding 8 mass percent of potassium iodide and 2.5 mass percent of mercury chloride into water, adding 20 mass percent of sodium hydroxide, stirring until the sodium hydroxide is completely dissolved to obtain a detection reagent, and packaging the detection reagent in a second reagent bottle 2 in the kit;
the detection method comprises the following steps:
c. opening the kit, taking out a first reagent bottle 1 filled with the detection reagent in the step a and a second reagent bottle 2 filled with the detection reagent in the step b, respectively dropping the reagents in the first reagent bottle 1 and the second reagent bottle 2 into a first color developing bottle 3 and a second color developing bottle 4 serving as a comparison bottle, adding 2 drops of gasoline into the first color developing bottle 3, shaking uniformly, observing the color change of the solution in the first color developing bottle 3, comparing the color with the color in the second color developing bottle 4, displaying that the color is changed into brownish green, and judging that the liquid to be detected is gasoline picture 2.
Example 2
Preparing a detection reagent:
a. dissolving 1% by mass of benzidine in a mixed solution of dimethyl sulfoxide and water in a volume ratio of 1:5, adding 60% by mass of concentrated sulfuric acid, stirring until the mixture is completely dissolved to obtain a detection reagent, and packaging the detection reagent in a first reagent bottle 1 in a kit;
b. respectively adding 5 mass percent of potassium iodide and 1.5 mass percent of mercury chloride into water, adding 15 mass percent of potassium hydroxide, stirring until the potassium hydroxide is completely dissolved to obtain a detection reagent, and packaging the detection reagent in a second reagent bottle 2 in the kit;
the detection method comprises the following steps:
opening the kit, taking out a first reagent bottle 1 containing the detection reagent in the step a and a second reagent bottle 2 containing the detection reagent in the step b, respectively dropping the reagents in the first reagent bottle 1 and the second reagent bottle 2 into a first color developing bottle 3 and a second color developing bottle 4 serving as a comparison bottle, adding 2 drops of kerosene into the first color developing bottle 3, shaking uniformly, observing the color change of the solution in the first color developing bottle 3, comparing the color with the color in the second color developing bottle 4, displaying that the color is changed into bright yellow, and judging that the liquid to be detected is a kerosene image 2.
Example 3
Preparing a detection reagent:
a. dissolving diphenylamine with the mass fraction of 0.01% in a mixed solution of dimethyl sulfoxide, ethanol and water with the volume ratio of 1:2:5, adding concentrated sulfuric acid with the mass fraction of 65%, stirring until the concentrated sulfuric acid is completely dissolved to obtain a detection reagent, and packaging the detection reagent in a first reagent bottle 1 in a kit;
b. respectively adding 1 mass percent of potassium iodide and 0.5 mass percent of mercuric chloride into water, adding 10 mass percent of tetrapropylammonium hydroxide, stirring until the tetrapropylammonium hydroxide is completely dissolved to obtain a detection reagent, and packaging the detection reagent in a second reagent bottle 2 in the kit;
preparing a detection reagent:
c. opening the kit, taking out a first reagent bottle 1 filled with the detection reagent in the step a and a second reagent bottle 2 filled with the detection reagent in the step b, respectively dropping the reagents in the first reagent bottle 1 and the second reagent bottle 2 into a first color developing bottle 3 and a second color developing bottle 4 serving as a comparison bottle, adding 2 drops of diesel oil into the first color developing bottle 3, shaking uniformly, observing the color change of the solution in the first color developing bottle 1, comparing the color with the color in the second color developing bottle 4, displaying that the color is changed into orange yellow, and judging that the liquid to be detected is diesel oil figure 2.
Example 4
Preparing a detection reagent:
a. dissolving diphenylamine with the mass fraction of 0.05% in a mixed solution of dimethyl sulfoxide, methanol and water with the volume ratio of 1:1:1, adding concentrated sulfuric acid with the mass fraction of 75%, stirring until the concentrated sulfuric acid is completely dissolved to obtain a detection reagent, and packaging the detection reagent in a first reagent bottle 1 in a kit;
b. respectively adding 3% by mass of potassium iodide and 1% by mass of mercury chloride into water, adding 18% by mass of potassium hydroxide, stirring until the potassium hydroxide is completely dissolved to obtain a detection reagent, and packaging the detection reagent in a second reagent bottle 2 in the kit;
the detection method comprises the following steps:
c. opening the kit, taking out a first reagent bottle 1 filled with the detection reagent in the step a and a second reagent bottle 2 filled with the detection reagent in the step b, respectively dropping the reagents in the first reagent bottle 1 and the second reagent bottle 2 into a first color developing bottle 3 and a second color developing bottle 4 serving as a comparison bottle, adding 2 drops of diesel oil into the first color developing bottle 3, shaking uniformly, observing the color change of the solution in the first color developing bottle 3, comparing the color with the color in the second color developing bottle 4, displaying that the color is changed into orange yellow, and judging that the liquid to be detected is diesel oil figure 2.
Example 5
Preparing a detection reagent:
a. dissolving diphenylamine with the mass fraction of 0.01% in a mixed solution of dimethyl sulfoxide and water with the volume ratio of 1:5, adding concentrated sulfuric acid with the mass fraction of 60%, stirring until the concentrated sulfuric acid is completely dissolved to obtain a detection reagent, and packaging the detection reagent in a first reagent bottle 1 in a kit;
b. respectively adding 5 mass percent of potassium iodide and 2 mass percent of mercury chloride into water, adding 13 mass percent of potassium hydroxide, stirring until the potassium hydroxide is completely dissolved to obtain a detection reagent, and packaging the detection reagent in a second reagent bottle 2 in the kit;
the detection method comprises the following steps:
c. opening the kit, taking out the second reagent bottle 2 filled with the detection reagent in the step b, the filter paper 5 and the medicine spoon 6, placing the potassium permanganate tiny particles on the filter paper by using the medicine spoon 6, dropwise adding the reagent in the second reagent bottle 2 on the object to be detected, observing the color change, displaying that the color is changed into green firstly, then changing into brick red, and judging that the object to be detected is the potassium permanganate picture 3.
The method can quickly and accurately detect gasoline, diesel oil, kerosene and potassium permanganate in non-standard explosives, and has the advantages of quick color development and accurate result.
Claims (1)
1. A method for rapidly detecting gasoline, diesel oil, kerosene and potassium permanganate in explosives is characterized in that a kit related in the detection method is configured into a first reagent bottle (1), a second reagent bottle (2), a first color developing bottle (3), a second color developing bottle (4), filter paper (5) and a medicine spoon (6), and the specific operation is carried out according to the following steps:
preparing a detection reagent:
a. dissolving 0.01-5% by mass of organic aromatic amine (benzidine or diphenylamine) in a mixed solution of dimethyl sulfoxide and alcohol, or a mixed solution of dimethyl sulfoxide, alcohol and water, or a mixed solution of dimethyl sulfoxide and water, adding 50-75% by mass of concentrated sulfuric acid, stirring until the mixture is completely dissolved to obtain a detection reagent, and packaging the detection reagent in a first reagent bottle (1) in a kit, wherein the volume ratio of the mixed solution of dimethyl sulfoxide and alcohol is 1:1, the volume ratio of the mixed solution of dimethyl sulfoxide, alcohol and water is 1:2:5 or 1:1:1, and the volume ratio of the mixed solution of dimethyl sulfoxide and water is 1:5, and the alcohol is methanol or ethanol;
b. respectively adding 1-8% by mass of potassium iodide and 0.5-2.5% by mass of mercuric chloride into water, adding 10-20% by mass of strong base such as sodium hydroxide, potassium hydroxide or tetrapropylammonium hydroxide, stirring until the strong base is completely dissolved to obtain a detection reagent, and packaging the detection reagent in a second reagent bottle (2) in the kit;
the detection method comprises the following steps:
c. opening the kit, taking out a first reagent bottle (1) filled with the detection reagent in the step a and a second reagent bottle (2) filled with the detection reagent in the step b, respectively dropping the reagents in the first reagent bottle (1) and the second reagent bottle (2) into a first color developing bottle (3) and a second color developing bottle (4) serving as a comparison bottle, taking the liquid to be detected, adding the liquid to be detected into the first color developing bottle (3), shaking uniformly, observing the color change of the solution in the first color developing bottle (3), comparing the color change with the color in the second color developing bottle (4), and judging that the liquid to be detected is gasoline if the color change is brown-green; if the color of the liquid to be detected changes to orange yellow, judging that the liquid to be detected is diesel oil; if the color of the liquid to be detected is bright yellow, judging that the liquid to be detected is kerosene;
or opening the kit, taking out the second reagent bottle (2), the filter paper (5) and the medicine spoon (6) filled with the detection reagent in the step b, placing the micro particles to be detected on the filter paper (5) by using the medicine spoon (6), dripping the reagent in the second reagent bottle (2) on the object to be detected, observing the color change, and judging that the object to be detected is the potassium permanganate if the color is changed into green firstly and then changed into brick red.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5378632A (en) * | 1989-09-27 | 1995-01-03 | The Commonwealth Of Australia | Method of testing oils |
| CN205175915U (en) * | 2015-11-19 | 2016-04-20 | 中国水产科学研究院长江水产研究所 | Quick kit of distinguishing, survey disinfection of fish body with potassium permanganate solution concentration |
| CN209590024U (en) * | 2019-01-18 | 2019-11-05 | 潘升阳 | A kind of Novel oil product analytical equipment |
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2019
- 2019-11-13 CN CN201911104346.5A patent/CN110793961B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5378632A (en) * | 1989-09-27 | 1995-01-03 | The Commonwealth Of Australia | Method of testing oils |
| CN205175915U (en) * | 2015-11-19 | 2016-04-20 | 中国水产科学研究院长江水产研究所 | Quick kit of distinguishing, survey disinfection of fish body with potassium permanganate solution concentration |
| CN209590024U (en) * | 2019-01-18 | 2019-11-05 | 潘升阳 | A kind of Novel oil product analytical equipment |
Non-Patent Citations (1)
| Title |
|---|
| 薄层色谱法鉴别火场助燃剂中汽油成分;于丽丽等;《2008（沈阳）国际安全科学与技术学术研讨会论文集》;20081231;第594-598页 * |
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