V. I. Danevich

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The contents of alcohol and of d r y r e s idues (the amount of ex t r ac t ed subs tances ) in t inc tures and liquid e x t r a c t s a r e de te rmined in accordance with the r e q u i r e m e n t s of s ta te pha rmaceu t i ca l chemica l publica t ions [GFKh][!] , and a lso accord ing to the pha rmacopoe i a s o f o ther count r ies . The de te rmina t(More)
The pharmacopeial method of testing preparations for iron content is based on a visual comparison of the intensity of the color of its sulfosalicylate complex with that of e~anol. It requires preliminary separation of the solution following extraction of iron from insoluble preparations, gives only a qualitative idea of its content, and, like all visual(More)
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