IMPROVED EXTRACTION METHOD FOR THE SPECTROPHOTOMETRIC DETERMINATION OF TRACE AMOUNTS OF BORON IN RIVER WATER WITH 1,8-DIHYDROXYNAPHTHALENE-4-SULPHONIC ACID AND REMOVAL OF THE EXCESS OF REAGENT

被引:11
作者
KORENAGA, T [1 ]
MOTOMIZU, S [1 ]
TOEI, K [1 ]
机构
[1] OKAYAMA UNIV,FAC SCI,DEPT CHEM,OKAYAMA 700,JAPAN
关键词
D O I
10.1039/an9800500955
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
引用
收藏
页码:955 / 964
页数:10
相关论文
共 5 条
[1]   SPECTROPHOTOMETRIC DETERMINATION OF BORON IN NATURAL-WATERS BY SOLVENT-EXTRACTION WITH CHROMOTROPIC-ACID AND REMOVAL OF EXCESS OF REAGENT [J].
KORENAGA, T ;
MOTOMIZU, S ;
TOEI, K .
ANALYST, 1978, 103 (1228) :745-753
[2]  
KORENAGA T, ANAL CHIM ACTA
[3]   NEW METHOD OF REMOVING EXCESS OF REAGENT FROM ORGANIC PHASES IN SOLVENT-EXTRACTION OF METAL-COMPLEX ANIONS WITH QUATERNARY AMMONIUM-SALTS - SPECTROPHOTOMETRIC DETERMINATION OF MICRO-AMOUNTS OF COBALT WITH 2-NITROSO-1-NAPHTHOL-4-SULFONIC ACID [J].
MOTOMIZU, S ;
TOEI, K .
ANALYTICA CHIMICA ACTA, 1977, 89 (01) :167-175
[4]  
TOEI K, 1972, JPN ANALYST, V21, P1510
[5]  
1974, K0102 JIS JAP IND ST