GB/T 8657-2014 in English

VALID

Styrene-butadiene rubber, raw―Determination of soap and organic-acid content

Issued on:2014-07-08
Implemented on:2014-12-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $160.00
$156.00

Standard No:	GB/T 8657-2014
Document status:	VALID
Title in English:	Styrene-butadiene rubber, raw―Determination of soap and organic-acid content
Title in Chinese:	苯乙烯-丁二烯生橡胶皂和有机酸含量的测定
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2014-07-08
Implemented on:	2014-12-01
Superseding:	GB/T 8657-2000 Rubber, raw styrene-butadiene - Determination of soap and organic -acid content
ICS Classification:	83.040.10-Latex and raw rubber
Chinese Classification:	G34-Basic standard and general method for synthetic rubber
Professional Classification:	GB-National Standard
Related Keywords:	styrene-butadiene raw rubber emulsion-polymerized styrene-butadiene raw rubber styrene-butadiene rubber raw ― determination organic-acid content scopethis standard specifies
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《GB/T 8657-2014苯乙烯-丁二烯生橡胶皂和有机酸含量的测定》由TC35（全国橡胶与橡胶制品标准化技术委员会）归口，TC35SC6（全国橡胶与橡胶制品标准化技术委员会合成橡胶分会）执行，主管部门为中国石油和化学工业联合会。
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。

Scope

This standard specifies two methods for the determination of soap and organic acid content in styrene-butadiene raw rubber: method A is the indicator method, and method B is the automatic potentiometric titration method. This standard applies to emulsion-polymerized styrene-butadiene raw rubber. For styrene-butadiene raw rubber using aromatic extender oil and (or) p-phenylenediamine antioxidant, method B should be used.

More samples: DL/T 368-2010 YD/T 3934-2021 DL/T 5154-2012

Sample only — not a preview of GB/T 8657-2014

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