[ON THE COLORIMETRIC DETERMINATION OF NICOTINIC ACID IN FOOD PRODUCTS AND BIOLOGICAL MATTER].
D003124:Colorimetry; D005502:Food; D005504:Food Analysis; D009525:Niacin; D009539:Nicotinic Acids; D012106:Research
D009539:Nicotinic Acids; D009525:Niacin
COLORIMETRY; EXPERIMENTAL LAB STUDY; FOOD ANALYSIS; NICOTINIC ACID
O KOLORIMETRICHESKOM METODE OPREDELENIIA NIKOTINOVO I KISLOTY V PISHCHEVYKH PRODUKTAKH I BIOLOGICHESKIKH OB"EKTAKH.