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| GB/T 1668-2008 Plasticizers - Determination of acid value and acidity (English Version) |
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Detail of GB/T 1668-2008
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Introduction of GB/T 1668-2008
本标准首次发布于１９８１年。１９９５年第一次修订，本次为第二次修订。ＧＢ／Ｔ６４８９．２首次发布于
１９８６年，２００１年第一次修订。本标准自实施之日起同时代替ＧＢ／Ｔ１６６８—１９９５《增塑剂酸值及酸度的测定》、ＧＢ／Ｔ６４８９．２—２００１《工业用邻苯二甲酸酯类的检验方法 酸度的测定》。本标准规定了增塑剂酸值及酸度的测定方法。本标准适用于一般增塑剂酸值及酸度的测定。
Contents of GB/T 1668-2008