DIFFERENTIAL DETERMINATION OF TELLURIUM(IV) AND TELLURIUM(VI) BY ATOMIC-ABSORPTION SPECTROPHOTOMETRY AFTER HYDRIDE GENERATION - COMBINED USE OF TITANIUM(III) CHLORIDE AS A PRE-REDUCTANT AND SODIUM-BOROHYDRIDE SOLUTION

被引:16
作者
JIN, K
TAGA, M
YOSHIDA, H
HIKIME, S
机构
关键词
D O I
10.1246/bcsj.52.2276
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Sensitive determination of tellurium was investigated by atomic absorption spectrophotometry after hydride generation and differential determination of tellurium (IV) and tellurium (VI) in acidic solution was carried out. When sodium borohydride solution is used without any prereductant, only the signal from tellurium (IV) is obtained. On the other hand, when titanium (III) chloride solution is added before the addition of borohydride solution, total signal from tellurium (IV) and tellurium (VI) can be obtained; 30-60 s of prereduction is required. The effectiveness of the titanium (III) chloride-borohydride reduction system is shown in the interference study.
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页码:2276 / 2280
页数:5
相关论文
共 15 条
[1]  
ARIKAWA Y, 1976, BUNSEKI KIKI, V14, P477
[2]   ATOMIC ABSORPTION SPECTROSCOPY OF TELLURIUM [J].
CHAKRABARTI, CL .
ANALYTICA CHIMICA ACTA, 1967, 39 (03) :293-+
[3]  
CORBETT JA, 1977, ANAL CHIM ACTA, V91, P209
[4]   SEQUENTIAL DETERMINATION OF ARSENIC, SELENIUM, ANTIMONY, AND TELLURIUM IN FOODS VIA RAPID HYDRIDE EVOLUTION AND ATOMIC-ABSORPTION SPECTROMETRY [J].
FIORINO, JA ;
JONES, JW ;
CAPAR, SG .
ANALYTICAL CHEMISTRY, 1976, 48 (01) :120-125
[5]  
FLEMING HD, 1976, ANAL CHIM ACTA, V83, P323
[6]   RAPID-DETERMINATION OF NANOGRAM AMOUNTS OF TELLURIUM IN SILICATE ROCKS [J].
GREENLAND, LP ;
CAMPBELL, EY .
ANALYTICA CHIMICA ACTA, 1976, 87 (02) :323-328
[7]  
MAEKAWA S, 1970, BUNSEKI KAGAKU, V19, P10
[8]   DETERMINATION OF MINOR AMOUNTS OF TELLURIUM IN IRON AND STEEL BY ATOMIC ABSORPTION SPECTROPHOTOMETRY [J].
MARCEC, MV ;
KINSON, K ;
BELCHER, CB .
ANALYTICA CHIMICA ACTA, 1968, 41 (03) :447-&
[9]  
MUSHA S, 1968, NIPPON KAGAKU ZASSHI, V89, P495
[10]  
POLLOCK EN, 1973, ATOM ABSORPT NEWSL, V12, P6