Determination of azide, iodide, nitrite, nitrate, cyanide and thiocyanate by GC/MS

Shigetoshi Kage; Keiko Kudo; Noriaki Ikeda

Determination of azide, iodide, nitrite, nitrate, cyanide and thiocyanate by GC/MS

Shigetoshi Kage, Keiko Kudo, Noriaki Ikeda

Social Medicine

Research output: Contribution to journal › Article › peer-review

Abstract

We devised a sensitive and simple method to determine azide, iodide, nitrite, nitrate, cyanide and thiocyanate, using an extractive alkylation technique and gas chromatography/mass spectrometry (GC/MS). Nitrate was reduced to nitrite by hydrazine sulfate prior to alkylation. Their anions were alkylated with pentafluorobenzylbromide, with tetradecyldimethylbenzyl-ammonium chloride as the counter-ion in an alkaline solution. GC/MS was carried out in the positive ion electron ionization (EI) mode and the negative ion chemical ionization (CI) mode with isobutane as reagent gas. The calibration curves were liner by the CI mode in the concentration range from 0.01 to 1.00 μmol/ml.

Original language	English
Pages (from-to)	124-125
Number of pages	2
Journal	Japanese Journal of Forensic Toxicology
Volume	17
Issue number	2
Publication status	Published - Dec 1 1999

All Science Journal Classification (ASJC) codes

Pathology and Forensic Medicine
Toxicology

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title = "Determination of azide, iodide, nitrite, nitrate, cyanide and thiocyanate by GC/MS",

abstract = "We devised a sensitive and simple method to determine azide, iodide, nitrite, nitrate, cyanide and thiocyanate, using an extractive alkylation technique and gas chromatography/mass spectrometry (GC/MS). Nitrate was reduced to nitrite by hydrazine sulfate prior to alkylation. Their anions were alkylated with pentafluorobenzylbromide, with tetradecyldimethylbenzyl-ammonium chloride as the counter-ion in an alkaline solution. GC/MS was carried out in the positive ion electron ionization (EI) mode and the negative ion chemical ionization (CI) mode with isobutane as reagent gas. The calibration curves were liner by the CI mode in the concentration range from 0.01 to 1.00 μmol/ml.",

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language = "English",

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T1 - Determination of azide, iodide, nitrite, nitrate, cyanide and thiocyanate by GC/MS

AU - Kage, Shigetoshi

AU - Kudo, Keiko

AU - Ikeda, Noriaki

PY - 1999/12/1

Y1 - 1999/12/1

N2 - We devised a sensitive and simple method to determine azide, iodide, nitrite, nitrate, cyanide and thiocyanate, using an extractive alkylation technique and gas chromatography/mass spectrometry (GC/MS). Nitrate was reduced to nitrite by hydrazine sulfate prior to alkylation. Their anions were alkylated with pentafluorobenzylbromide, with tetradecyldimethylbenzyl-ammonium chloride as the counter-ion in an alkaline solution. GC/MS was carried out in the positive ion electron ionization (EI) mode and the negative ion chemical ionization (CI) mode with isobutane as reagent gas. The calibration curves were liner by the CI mode in the concentration range from 0.01 to 1.00 μmol/ml.

AB - We devised a sensitive and simple method to determine azide, iodide, nitrite, nitrate, cyanide and thiocyanate, using an extractive alkylation technique and gas chromatography/mass spectrometry (GC/MS). Nitrate was reduced to nitrite by hydrazine sulfate prior to alkylation. Their anions were alkylated with pentafluorobenzylbromide, with tetradecyldimethylbenzyl-ammonium chloride as the counter-ion in an alkaline solution. GC/MS was carried out in the positive ion electron ionization (EI) mode and the negative ion chemical ionization (CI) mode with isobutane as reagent gas. The calibration curves were liner by the CI mode in the concentration range from 0.01 to 1.00 μmol/ml.

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