SOLID-PHASE EXTRACTION PROCEDURE FOR THE CLEANUP OF URINE AND GASTRIC-JUICE SPECIMENS FOR NITRITE AND NITRATE ANALYSIS BY ION CHROMATOGRAPHY

被引：11

作者：

UTERMAHLEN, WE ^{[1
]}

MELLINI, DW ^{[1
]}

ISSAQ, HJ ^{[1
]}

机构：

[1] NCI,FREDERICK CANC RES & DEV CTR,DYNCORP,PRI,POB B,FREDERICK,MD 21770

来源：

JOURNAL OF LIQUID CHROMATOGRAPHY | 1992年 / 15卷 / 18期

关键词：

D O I：

10.1080/10826079208020886

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A procedure was developed for the clean-up of gastric juice and urine specimens for nitrite and nitrate analysis by ion chromatography. After dilution with deionized water, the sample is passed through two solid-phase extraction columns (C18 and IC-Ag+) connected in series. Nitrite and nitrate are eluted off the column and the sample is ready for analysis. This treatment of the samples eliminates any particles, organics and interfering chloride ions.

引用

页码：3315 / 3322

页数：8

共 22 条

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