General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 5009.217-2008
Scope
This standard specifies the method for the determination of vitamin B 12 in health food. This standard applies to the determination of vitamin B 12 in tablets, capsules, powders, and functional beverage health foods. When this method uses the solid phase extraction method to process the sample, the sample volume is 2.0 g, and the detection limit of the method is 1.0 μg/g. When using the immunoaffinity method to process samples, the sampling volume of tablets, capsules and powders is 2.0g, and the detection limit of the method is 0.05μg/g; the sampling volume of functional drinks is 20ml, and the detection limit of the method is 3.0μg/g L.