This is a selective review of the literature of TLC and PC cited in Chemical Abstracts from
Dec 11, 1989, to Nov 18, 1991. The literature search was augmented by consulting …

Vitamin C content in fresh and freeze-dried herbal juice, such as guava (Psidium guajava
Linn.) emblic myrobolan (Phyllanthus embica Linn.), lemon (Citrus aurantifollia Swing) …

An accurate, simple, reproducible and sensitive method for the determination of
paracetamol, caffeine and dipyrone was developed and validated. Paracetamol, caffeine …

Several methods to determine amino acids and vitamins in biological and pharmaceutical
samples have been reported. Thin layer chromatography (TLC) finds its place when the …

Used routinely in drug control laboratories, forensic laboratories, and as a research tool, thin
layer chromatography (TLC) plays an important role in pharmaceutical drug analyses. It …

A second-order derivative UV spectrophotometric method for determination of vitamin C
[ascorbic acid (AA)] content in a variety of natural samples is described. The method is …

The preparation and electrochemical characterization of a carbon paste electrode modified
with N, N'-ethylenebis (salicylideneiminato) oxovanadium (IV) complex ([VO (Salen)]) as well …

The current article surveys pharmaceutical analysis and related methodology that has
appeared in the literature since the last review in this series was published in Analytical …

The goal of this study was to develop and validate a liquid chromatography (LC) method for
the rapid determination of dipyrone (metamizole sodium) in solid and liquid formulations …

The behavior of a carbon paste electrode was investigated as an amperometric detector for
the determination of dipyrone by flow injection analysis (FIA). The electrode presented low …