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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 10, Number 3
JKCSEZ 10(3)
June 20, 1966 

The Preparation of bismuthsubnitrate

상동산 비스무트를 원료로한 차질산비스무트의 제조
Yong Keun Lee

The preparation of bismuthsubnitrate for the purpose of medicine, with both crude and refined bismuth metals, has been performed by applying the following methods: (A) Neutralization process, (B) Hydrolysis process. On the basis of results of a series of experiments, the following conclusion was obtained: 1) The quantitative determination showed that there was little difference between these two processes, in their yields. However the process (B), hydrolysis method was technically more simple than (A), neutralization method, and purity of final product by process (B) was found to be much more superior to (A). 2) It was found that bismuthsubnitrate products obtained from refined bismuth metal was almost the same with imported ones (Fisher, Squibb, etc.) in their purities.
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