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미량확산분석법에 의한 청산의 정량법 (제2보) 혈액중(CN-Met Hb)청산의 정량
심상혁(Sang Heuk Sim),서정현(Jeong Hean Seu) 대한약학회 1959 약학회지 Vol.4 No.1
Another application of the new quantitative analytical method of prussic acid by "Micro-diffusion analysis" for the determination of prassic acid in human blood was studied. The blood containing potassium cyanide was dropped in outer room of unit, and then N-sulfuric acid was added. The liberated HCN gas was absorbed into nickel sulfate solution of inner room, afterward, absorbed prussic acid was determined with EDTA by residual titration. The result was coincided with the result of Liebig Denigs'' method at ordinary temperature.
미량확산분석법에 의한 청산의 정량법 (제1보) 청산배당체(행인)중의 청산의 정량
심상혁(Sang Heuck Sim),서정현(Jeong Hean Seu) 대한약학회 1959 약학회지 Vol.4 No.1
A new quantitative analytical method of prussic acid by "Microdiffusion analysis was studied. HCN-Glucoside of ARMENIACA was hydrolyzed with KOH in out-room of unit, and then concentrated sulfuric acid was poured in order to liberate the HCN gas. The liberated gas was absorbed into nickel sulfate solution of inner room of unit quantitatively. The excess of nickel sulfate was determined by EDTA Reagent using MX-indicator. By this Method, the following results were obtained: (1) It was needed more than 4 hours, in order to hydrolyse completely at 50oC. but could be shortened to 3 hrs. at 60oC. (2) It was completely absorbed into nickel sulfate solution after 30min.