共 50 条
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- [6] A colorimetric method for the determination of nicotinic acid and nicotinic acid amide in food HOPPE-SEYLERS ZEITSCHRIFT FUR PHYSIOLOGISCHE CHEMIE, 1939, 260 : 108 - 118
- [7] Chemical determination of nicotinic acid INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1941, 13 : 0062 - 0063