异烟酸-吡唑啉酮法测定水中总氰化物

Approach on the Determination of Cyanide in the Water by Iso-nicotinic Acid-pyrazdone Photometric Method

该文介绍了用无水乙醇或用氢氧化钠代替 N,N-二甲基酰胺作溶剂 ,配制吡唑啉酮显色剂 ,在异烟酸

The paper introduces the method of using absolute alcohol or NaOH to take place of n,n-dimethyl formamide as solvent to confect pyrazolone,which will be applied as colour reagents in the determination of cyanide in the water by iso-nicotinic acid-pyrazdone photometric method and its result.