CAS OpenIR  > 中科院上海原子核所2003年前
罐头食品中铅、铬、锰的萃取原子吸收法测定
朱本仁; 周美英
1991-12-27
Source Publication光谱实验室
Issue06
Abstract本文报导了多种罐头食品中微量铅、铬和锰的萃取火焰原子吸收测定方法。用硝酸-高氯酸消解测铅试样;再制成稀盐酸试液;测铬和锰的试样都分别采用加有助灰剂的中温干法灰化;用稀硫酸溶解灰份并制成试液;测铅试液在萃取前先将三价铬氧化成六价。测定铅选用磷酸-碘化物-MIBK萃取体系;铬和锰是在不同pH的缓冲体系中与DDTC络合后再分别用MIBK萃取;最后将有机相导入仪器进行火焰原子吸收法测定。其相对灵敏度都有显著提高;全操作步骤的加标回收率也符合要求;经不同试样的多次验证;结果较为满意。
Indexed ByCNKI
Language中文
Funding Project原子核所项目组
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/11476
Collection中科院上海原子核所2003年前
Recommended Citation
GB/T 7714
朱本仁,周美英. 罐头食品中铅、铬、锰的萃取原子吸收法测定[J]. 光谱实验室,1991(06).
APA 朱本仁,&周美英.(1991).罐头食品中铅、铬、锰的萃取原子吸收法测定.光谱实验室(06).
MLA 朱本仁,et al."罐头食品中铅、铬、锰的萃取原子吸收法测定".光谱实验室 .06(1991).
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