GB/T 5009.217-2008 Translated English of Chinese Standard. (GBT 5009.217-2008, GB/T5009.217-2008, GBT5009.217-2008): Determination of Vitamin B12 in Health Foods

This Standard specifies the determination of vitamin B12 in heath foods. This Standard is applicable to the determination of vitamin B12 in heath foods, such as tablets, capsules, powders and functional beverages. When this method adopts solid-phase extraction to treat the sample, the sampling amount is 2.0g, and the detection limit of the method is 1.0. When taking the immunoaffinity method to treat the sample, the sampling amount for tablets, capsules and powders is 2.0g, the detection limit of the method is 0.05; while the sampling amount for functionable beverage is 20mL, and the detection limit of the method is 3.0.