RAPID SPECTROPHOTOMETRIC DETERMINATION OF TRACE AMOUNTS OF PHENOL

被引：0

作者：

NAGARAJ, P ^{[1
]}

BHANDARI, JM ^{[1
]}

ACHAR, BN ^{[1
]}

机构：

[1] MANASAGANGOTRI,DEPT STUDIES CHEM,MYSORE 570006,INDIA

来源：

INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY | 1993年 / 32卷 / 07期

关键词：

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new spectrophotometric method is developed for the determination of trace amounts of phenol. The method is based on the blue coloured reaction between phenol, sodium nitroprusside and hydroxylamine in a buffer medium of pH range 10.26-11.46. The blue species exhibits maximum absorbance at 700 nm. Beer's law is valid over the concentration range 0.1-6.5 ppm. The molar absorptivity is 1.68 x 10(4) l mol-1 cm-1 and Sandell sensitivity is 0.0052 mug phenol/cm2. The effects of pH, time, order of addition of reagents, temperature, reagents' concentration and diverse ions are reported,

引用

页码：641 / 643

页数：3

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