Aly et al., 1983 - Google Patents
Separation of ammonium and nitrate for isotopic analysis of nitrogen 15 using vacuum distillation methodAly et al., 1983
- Document ID
- 15550667426383914595
- Author
- Aly A
- Mohamed M
- Publication year
External Links
Snippet
The parameters affecting the vacuum distillation method for quantitative separation of ammonium and nitrate for mass spectrometric determination of 15N were investigated. The vacuum distillation was found to be advantageous to steam distillation method because no …
- 238000005292 vacuum distillation 0 title abstract description 26
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
- G01N30/08—Preparation using an enricher
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/42—Measuring disposition or liberation of materials from an electrolyte; Coulometry, i.e. measuring coulomb-equivalent of material in an electrolyte
- G01N27/423—Coulometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Sturgeon et al. | Comparison of methods for the determination of trace elements in seawater | |
| Mattson et al. | Quantitative determination of triazine herbicides in soils by chemical analysis | |
| Giné et al. | A simple procedure for standard additions in flow injection analysis: Spectrophotometric Determination of Nitrate in Plant Extracts | |
| Heggen et al. | Determinations of Trace Elements | |
| Bingley | Molybdenum Measurements, Simplified Determination of Molybdenum in Plant Material by 4-Methyl-1, 2 Dimercaptobenzene, Dithiol | |
| Aly et al. | Separation of ammonium and nitrate for isotopic analysis of nitrogen 15 using vacuum distillation method | |
| Saeed et al. | Electrothermal atomic absorption spectrometric determination of selenium in blood serum and seminal fluid after protein precipitation with trichloroacetic acid | |
| Motojima et al. | Spectrophotometric Determination of Niobium and molybdenum with 8-Quinolinol in Uranium-Base Alloys | |
| Yang et al. | Effect of wet decomposition methods on the determination of cobalt, copper, selenium, and zinc in biological samples using electrophoresis | |
| Zheng et al. | A method for the indirect determination of trace bound selenomethionine in plants and some biological materials | |
| Dosch | Rapid and direct gas chromatographic determination of oxalic acid in urine | |
| Slu et al. | Determination of chromium in seawater by isotope dilution gas chromatography/mass spectrometry | |
| Pylypiw et al. | Apparatus for trace determination of volatile N-nitrosamines small samples | |
| JPS5938650A (en) | Gas chromatograph with sample pretreatment device | |
| Squires et al. | Determination of the specific radioactivity of 14C-labeled glutamic acid and glutamine | |
| Daues et al. | Determination of small amounts of acrylonitrile in aqueous industrial streams | |
| Yang et al. | Study of the effect of decomposition methods on the accurate determination of zinc in biological samples by electrophoresis | |
| Utermahlen Jr et al. | Solid-phase extraction procedure for the clean-up of urine and gastric juice specimens for nitrite and nitrate analysis by ion chromatography | |
| Raby et al. | Chemical Analysis of the Alkali Metal Tungsten Bronzes. | |
| Lee | Determination of O18 Concentration of Sugars and Glycogen. | |
| Campbell et al. | The determination of mercury in urine—single extraction method | |
| Frame et al. | Trace determination of beryllium oxide in biological samples by electron-capture gas chromatography | |
| Wehner et al. | Simple and rapid method for the determination of progesterone in rat plasma by gas–liquid chromatography with electron-capture detection | |
| Yatirajam et al. | Separation of rhenium from molybdenum, tungsten, vanadium, platinum metals and other elements by reduction and solvent extraction | |
| Pakarinen et al. | Ion exchange chromatography as a selective pre-concentration method for PIXE analysis of urine |