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Citation: Qiu Sunqing, Wang Bingwu. SIMULTANEOUS SPECTROPHOTOMETRIC DETERMINATION OF ARSENIC AND ANTIMONY[J]. Chinese Journal of Applied Chemistry, ;1989, 6(4): 84-86. shu

SIMULTANEOUS SPECTROPHOTOMETRIC DETERMINATION OF ARSENIC AND ANTIMONY

Qiu Sunqing ,
Wang Bingwu

1.
Changchun Institute of Applied Chemistry, Academia Sinica

Received Date: 29 June 1988
Available Online: 27 January 1989

A simnltaneous spectrophoto metric method for Sb and As determination has been established. SbH₃ and AsH₃, produced by addition of a KBH₄ tablet to Sb³⁺ and As³⁺ in tartaric solution,were absorbed by a 95% alcohol solution of Fe³⁺-1,10 phenathroline and a mixed solution of AgNO₃, PVA and alcohol. The absorbances were measured at 400nm for As and 510nm for Sb. Tolerance levels of various ions were given. The detection limits were 0.09ppm (3 s) for Sb and 0.05ppm (3 s) for As. The method is simple, rapid, and sensitive.
- Arsenic,
- Antimony,
- Microanalysis,
- Spectrophotometry
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