Styrene-butadiene rubber, raw—Determination of soap and organic-acid content
MOD ISO 7781:2008
全国橡胶与橡胶制品标准化技术委员会合成橡胶分技术委员会(SAC/TC 35/SC 6)
本标准规定了测定苯乙烯丁二烯生橡胶中皂和有机酸含量的两种方法:A法为指示剂法，B法为自动电位滴定法。
本标准适用于乳液聚合型苯乙烯丁二烯生橡胶。对于使用芳烃填充油和（或）对苯二胺类防老剂的苯乙烯丁二烯生橡胶，宜采用B法。
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