This standard specifies the requirements, test methods, inspection rules and packaging, marking, storage and transportation of biological calcium carbonate of food additive.
This standard is applicable to the calcium carbonate obtained after refined processing of oyster shell, which is mainly used as nutrient supplement and bulking agent during food processing.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. At time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.
GB 601-88 Chemical Reagent - Preparations of Standard Volumetric Solutions
GB 602-88 Chemical Reagent - Preparations of Stock Standard Solutions
GB 603-88 Chemical Reagent - Preparations of Reagent Solutions for Use in Test Methods
GB 1898-1996 Food additive Calcium Carbonate Precipitated
GB 8450-87 Method for Determination of Arsenic in Food Additives
GB 8451-87 Method for Limit Test of Heavy Metals in Food Additives
3 Molecular Formula and Molecular Weight
Molecular formula: CaCO3
Relative molecular weight: 100.09 (according to international atomic weight in 1993)
