NY/T 3879-2021
Determination of 25-Hydroxy Vitamin D, in feeds
WS/T 478-2024
WS/T 478-2015
Operating guidelines for measurement of serum 25-hydroxyvitamin D3—Isotope dilution liquid chromatography tandem mass spectrometry
YY/T 1585-2024
GB 7300.202-2019
Feed additives-Part 2:Vitamins, provitamins and chemically well-defined substances having similar effect-Vitamin D3 oily form
GB/T 9695.29-2008
Meat products - Determination of vitamin C content
GB/T 36921-2018
Determination of vitamin B2, vitamin B3 and vitamin B6 in toothpaste—High performance liquid chromatography
GB 7303-2018
Feed additive—L-Ascorbic acid (Vitamin C)
GB 7300.203-2020
Feed additive—Part 2:Vitamins, provitamins and chemically well-defined substances having similar effect—Betaine
DB15/T 2796-2022
\u0413\u041e\u0421\u0422 31483-2012
Premixes. Determination of vitamins: B1 (thiaminchloride), B2 (riboflavin), B3 (pantothenic acid), B5 (nicotinic acid and nicotinamide), B6 (pyridoxine), Bc (folic acid), C (ascorbic acid) content by method of capillary electrophoresis
YY/T 1585-2017
Total 25-hydroxyl vitamin D testing kit(labelling immunoassay)
LY/T 1282-1998
Conifer vitamin meal
GB/T 5009.82-2003
Determination of retinol and tocopherol in foods
31984R0845
GB/T 9695.29-1991
Meat products—Method for determination of vitamin C content
GB/T 7303-2006
Feed additive—Vitamin C(L-ascorbic acid)
DB37/T 3674-2019
GB/T 12388-1990
Method for determination of retinol and tocopherol in foods
GB 14754-1993
Food additive—Vitamin C(Ascorbic acid)