CAS OpenIR  > 中科院上海原子核所2003年前
某些食物中钙的原子吸收法测定
朱本仁
1985-12-31
Source Publication营养学报
Issue04
Abstract本文介绍了一种操作简便、结果可靠、钙含量可测范围宽(0.5—200ppm)的火焰原子吸收测定法。无论测定低浓度或高浓度钙;除应将燃烧器作90°水平转动外;仪器的其它操作条件都可保持不变。硅酸根、磷酸根和铝对钙的测定有严重干扰;加一定量锶盐作释放剂;效果极为满意。本方法的回收率在测低浓度钙时为95—105%;变异系数(相对标准偏差)<2%;测高浓度钙时为85—98%;变异系数<0.5%。本法测得结果与络合滴定法以及发射光谱法符合程度较好。曾用本法测定过蚕豆、雏鸡、蛋品等食物样品共三百多份;结果均较满意。
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/331007/11824
Collection中科院上海原子核所2003年前
Recommended Citation
GB/T 7714
朱本仁. 某些食物中钙的原子吸收法测定[J]. 营养学报,1985(04).
APA 朱本仁.(1985).某些食物中钙的原子吸收法测定.营养学报(04).
MLA 朱本仁."某些食物中钙的原子吸收法测定".营养学报 .04(1985).
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