[Tocopherol Acetate Reference Standard (Control 941) of the National Institute of Health Sciences].

A Kitajima, K Maekawa, K Yoshii, H Komatsu, T Tanimoto, S Okada
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Abstract

The raw material of tocopherol acetate was tested for the preparation of the "Tocopherol Acetate Reference Standard (Control 941)". Analytical data obtained were as follows: infrared spectrum, the same as that of the Tocopherol Acetate Reference Standard (Control 919); specific absorbance, E1(1%)cm (284nm) = 44.5; thin-layer chromatography, no impurities were detected until 50.0 micrograms; high-performance liquid chromatography (HPLC), 2-3 impurities were detected and the amount was estimated to be about 1%; assay by HPLC, 100.8%. Based on the above results, the raw material was authorized as the Japanese Pharmacopoeia Reference Standard (Control 941).

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[国家卫生科学研究所醋酸生育酚参考标准(Control 941)]。
为编制《醋酸生育酚参比标准品(Control 941)》,对乙酸生育酚原料进行了测定。获得的分析数据如下:红外光谱与醋酸生育酚参比标准品(Control 919)相同;比吸光度,E1(1%)cm (284nm) = 44.5;薄层色谱法,50.0微克前未检出杂质;高效液相色谱法检出2-3个杂质,估计含量约为1%;高效液相色谱法测定,100.8%。根据上述结果,该原料被批准为日本药典参考标准(Control 941)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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