NONIONIC SURFACTANTS USED AS EXACT MASS INTERNAL STANDARDS FOR THE 700-2100 DALTON MASS RANGE IN FAST ATOM BOMBARDMENT MASS-SPECTROMETRY

被引：22

作者：

SIEGEL, MM ^{[1
]}

TSAO, R ^{[1
]}

OPPENHEIMER, S ^{[1
]}

CHANG, TT ^{[1
]}

机构：

[1] AMER CYANAMID CO,DIV CHEM RES,STAMFORD,CT 06902

来源：

ANALYTICAL CHEMISTRY | 1990年 / 62卷 / 04期

关键词：

D O I：

10.1021/ac00203a003

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Monosubstituted poly (ethylene glycol) and poly (propylene glycol) nonlonlc surfactant mixtures and Isolated monosubstituted poly(ethylene glycol) oligomer fractions were used, when adulterated with alkali-metal salts, as Internal exact mass reference compounds In fast atom bombardment mass spectrometry for the mass range of 700-2100 daltons. Abundant [+ Metal]‘*’ Ions are produced with dtthiothreltol/ dlthtoerythrltol and m-nttrobenzyl alcohol matrices for the monosubstituted poly (ethylene glycol) and poly (propylene glycol) surfactants, respectively. The uses of these Internal mass standards for the determination of the exact masses of a number of pharmaceuticals In the manual and computerized peak matching modes are Illustrated. © 1990, American Chemical Society. All rights reserved.

引用

页码：322 / 327

页数：6

共 12 条

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