Spectrophotometric determination of barbituric acid

被引:15
作者
Aman, T [1 ]
Khan, IU [1 ]
Parveen, Z [1 ]
机构
[1] GOVT COLL,DEPT CHEM,LAHORE,PAKISTAN
关键词
spectrophotometer; barbituric acid; chloral hydrate;
D O I
10.1080/00032719708001820
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Barbituric acid reacts with chloral hydrate in alkaline media, after heating for 1 min. at 100 degrees C to give an orangish yellow colour having maximum absorbance at 450 nm. The reaction is selective for barbituric acid with 0.01 mg/ml as the visual limit of quantitation and provides a basis for a new spectrophotometric determination. The colour reaction obeys Beer's Law from 0.001 to 0.6 mg/ml and the relative standard deviation is 1.1%. The quantitative assessment of tolerable amounts of other drugs is also studied.
引用
收藏
页码:2765 / 2777
页数:13
相关论文
共 24 条
[1]  
AKEEDA T, 1995, KANZEI CHUO BUNSEKIS, V34, P65
[2]   SPECTROPHOTOMETRIC DETERMINATION OF STREPTOMYCIN [J].
AMAN, T ;
RASHID, A ;
KULSOOM, R ;
KHOKHAR, I .
ANALYTICAL LETTERS, 1995, 28 (05) :881-892
[3]   SPECTROPHOTOMETRIC DETERMINATION OF CANNABIDIOL [J].
AMAN, T ;
RASHID, A ;
KHOKHAR, I .
ANALYTICAL LETTERS, 1993, 26 (10) :2113-2125
[4]   SPECTROPHOTOMETRIC DETERMINATION OF ATROPINE [J].
AMAN, T ;
HASSAN, A ;
KHOKHAR, I ;
RASHID, A .
ANALYTICAL LETTERS, 1994, 27 (10) :1833-1845
[5]   SPECTROPHOTOMETRIC DETERMINATION OF NARCOTINE [J].
AMAN, T ;
KAZI, AA ;
KHOKHAR, I ;
ALI, Z .
ANALYTICAL LETTERS, 1995, 28 (07) :1209-1221
[6]  
AMAN T, 1997, MIKRO CHIMICA ACTA, P1
[7]  
AMAN T, 1996, ANAL LETT, P30
[8]  
AMAN T, 1992, SCI INT LAHORE, V4, P279
[9]   BARBITURIC-ACID 2,4,6-TRIAMINOPYRIMIDINE AGGREGATES IN WATER AND THEIR COMPETITIVE INTERACTION WITH A MONOLAYER OF BARBITURIC-ACID LIPIDS AT THE GAS-WATER INTERFACE [J].
BOHANON, TM ;
DENZINGER, S ;
FINK, R ;
PAULUS, W ;
RINGSDORF, H ;
WECK, M .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1995, 34 (01) :58-60
[10]  
FATER Z, 1995, JPC-J PLANAR CHROMAT, V8, P145