SIMULTANEOUS 2ND-ORDER DERIVATIVE SPECTROPHOTOMETRIC DETERMINATION OF SORBIC AND BENZOIC-ACIDS IN SOFT DRINKS

被引：12

作者：

CASTRO, JCG

DELGADO, MAR

SANCHEZ, MJ

MONTELONGO, FG

机构：

[1] Department of Analytical Chemistry, Food Science and Toxicology University of La Laguna

来源：

ANALYTICAL LETTERS | 1992年 / 25卷 / 12期

关键词：

DERIVATIVE SPECTROPHOTOMETRY; SORBIC ACID; BENZOIC ACID; SOFT DRINKS;

D O I：

10.1080/00032719208017968

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A method is developed for the simultaneous 2nd order spectrophotometric determination of 1 to 7 mug.mL-1 of each of benzoic and sorbic acids in non vegetal soft drinks, using a blank prepared from the same soft drink to be analyzed in order to avoid the interferece from other additives and colouring matter present.

引用

页码：2367 / 2376

页数：10