2007年11月30日,中国国家标准化管理委员会(SAC)发布《重过磷酸钙》国家标准。本标准规定了重过磷酸钙产品的要求,试验方法,检验规则,标识,包装,运输及贮存,适用于湿法或热法磷酸处理磷矿粉制成的农业用粉状或粒状重过磷酸钙。重过磷酸钙应符合表1要求,同时应符合包装容器的标明值。 November 30, 2007, China National Standardization Administration (SAC) released “double superphosphate” national standards. This standard specifies the requirements of superphosphate products, test methods, inspection rules, labeling, packaging, transportation and storage for wet or thermal phosphate treatment of phosphoric acid powder made of agricultural powder or granular superphosphate calcium. Double superphosphate should meet the requirements of Table 1, at the same time should be consistent with the indicated value of the packaging container.