DIN EN 12497-2005 纸和纸板.与食物接触的纸和纸板.水萃取物中汞含量的测定.德文版本EN 12497-2005
Paper and board - Paper and board intended to come into contact with foodstuffs - Determination of mercury in an aqueous extract; German version EN 12497:2005
This European Standard is one in a series of standards for the determination of heavy metals in an aqueous extract of paper and paperboard intended for contact with food. This European Standard specifies the test method for the determination of mercury in an aqueous extract. It is applicable to paper and board with extractable mercury content exceeding 0,06 mg per kg.