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| GB/T 7570-2008 Wool - Determination of acid content (English Version) |
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Detail of GB/T 7570-2008
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Introduction of GB/T 7570-2008
本标准代替ＧＢ／Ｔ７５７０—１９８７《羊毛 含酸量的测定》。本标准规定了羊毛含酸量的测定方法。本标准适用于未染色的羊毛及其制品，也适用于在测试过程中染料量不影响滴定终点的染色产品。 本标准与ＧＢ／Ｔ７５７０—１９８７相比，主要变化如下：
１． 增加了对试验用蒸馏水的规定要求；
２． 增加了计算结果的小数点保留位数的要求；
３． 干燥质量称样由２ｇ改为１ｇ；
Contents of GB/T 7570-2008