UDC634/635:543.42B31中华人民共和国国家标准GB8857-88水果、蔬菜产品的总灰分及总灰分和水溶性灰分的碱度测定方法Method for determination of total ash and ofalkalinity of total ash and water-solubleash in fruit and vegetable products1988-02-29发布1988-07-01实施国家标准局发布
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