ISO 17812:2007规定了通过原子吸收光谱法或等离子发射光谱法测定总镁、总钙、总锰、总铁和总铜的程序。总含量包括元素的酸溶性部分加上元素的酸不溶性部分。 它适用于所有类型的纸张、纸板和纸浆。

ISO 17812:2007 specifies the procedure for the determination of total magnesium, total calcium, total manganese, total iron and total copper by atomic absorption spectrometry or by plasma emission spectrometry. The total content comprises the acid-soluble part of the element plus the acid-insoluble part of the element. It is applicable to all types of paper, board and pulps.