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KMID : 0377619710210060513
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Korean Jungang Medical Journal
1971 Volume.21 No. 6 p.513 ~ p.516
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Studies on the Stubility of Mixtures from Promethazine Hydrochloride Concentration
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Abstract
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This experiment is the variation of promethazine hydrochloride mixtures according to the promehtazine hydrochloride concentration. It is measured every hours under sun-light and every day at 30°C. The result were as follows.
1) It is results that the high concentrated promethazine hydrochloride is unstable and low concetrated one relatively stable compared with the high concentrated promethazine hydrochloride at 30°C.
2) According to the variations by sun-light it is concluded after one hour the variant rate of high concentrated promethazine hydrochloride is severe and low concentrated one relatively slight and from that time the variant rate was constant.
According to the above results, it would be considered that promethazine hydrochloride mixtures is relatively stable in diluted solution and unstable in high concentrated solution.
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