欧洲药典铁盐

四人帮 · 发表于 2020-1-19 15:53:04

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请教各位老师，欧洲药典里铁盐检查中标准铁溶液的配制方法是什么？

ybonly · 发表于 2020-1-21 09:16:42

Iron standard solution (20 ppm Fe). 5001600.

Immediately before use, dilute with water R to 10 times its volume a solution containing ferric ammonium sulfate R equivalent to 0.863 g of FeNH4(SO4)2,12H2O and 25 mL of dilute sulfuric acid R in 500.0 mL.

Iron standard solution (1 ppm Fe). 5001604.

Immediately before use, dilute iron standard solution (20 ppm Fe) R to 20 times its volume with water R.

小金库 · 发表于 2022-8-5 20:19:55

楼主辛苦了，感谢分享

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