Chen Zhonghua, Wang Lihua. A Limit Test for Free Ferricyanide and Ferrocyanide in Sodium Nitroprusside[J]. Journal of China Pharmaceutical University, 1982, (1): 49-50.
Citation:
Chen Zhonghua, Wang Lihua. A Limit Test for Free Ferricyanide and Ferrocyanide in Sodium Nitroprusside[J]. Journal of China Pharmaceutical University, 1982, (1): 49-50.
Chen Zhonghua, Wang Lihua. A Limit Test for Free Ferricyanide and Ferrocyanide in Sodium Nitroprusside[J]. Journal of China Pharmaceutical University, 1982, (1): 49-50.
Citation:
Chen Zhonghua, Wang Lihua. A Limit Test for Free Ferricyanide and Ferrocyanide in Sodium Nitroprusside[J]. Journal of China Pharmaceutical University, 1982, (1): 49-50.
A Limit Test for Free Ferricyanide and Ferrocyanide in Sodium Nitroprusside
A rapid method of limit test for free ferricyanide and ferrocyanide in sodiunm nitroprussideby column chromatography combined with spectrophotometric method is presented.The rnethod is based on the fact that ferricyanide has a maximum absorption at thewave length of 420nm while ferrocyanide hasn't unless it is oxidized with 2N HNO_3to ferricyanide.
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