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Issue:
Determination of Zinc by Dithizone-CTMAB Spectrophotometry
Author(s):
WU Saisu
,
WANG Jing
,
HONG Ying
Pages:
73
-
73,76
Year:
2001
Issue:
2
Journal:
ARID ENVIRONMENTAL MONITORING
Keyword:
分光光度法
;
锌
;
双硫腙
;
Abstract:
在硼砂-氢氧化钠缓冲溶液(pH=11.0)中,澳化十六烷基三甲胺(CTMAB)存在下双硫腙与锌生成可溶于水的2∶1红色络合物,λmax=540 nm,ε=7.30×104L·cm-1·mol-1,锌含量在0~0.6 mg/L内符合比耳定律.本法可用于水样中锌含量的测定.
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