[Determination of trace lead in huaiyao by separating and enriching with sulfhydryl cotton-flame atomic absorption spectrometry].
The determination of trace lead in Huaiyao after separating and enriching with sulfhydryl cotton by FAAS is described in this paper. The enriching and eluting conditions were studied. The recovery of lead is 97.0%-102.0%. RSD is less than 4.3% sulfhydryl cotton is effective in eliminating the interference for common existing elements. The characteristics of this method is fast, simple and convenient. The determine results were consistent.
Wei
Wei
W
Department of Chemistry, Zhengzhou University, Zhengzhou 450052, China.
Qu
Ling-bo
LB
Li
Jian-jun
JJ
Li
Yan-hong
YH
D004340:Drug Contamination; D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D007854:Lead / Q000032:analysis*; D013054:Spectrophotometry, Atomic / Q000379:methods; D013438:Sulfhydryl Compounds
D004365:Drugs, Chinese Herbal; D013438:Sulfhydryl Compounds; D007854:Lead