GB/T 3514-1992 in English
SUPERSEDEDRubber,vulcanized―Determination of free sulphur content―Sodium sulphite method
- Issued on:1992-12-12
- Implemented on:1993-10-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$175.00
《GB/T 3514-1992硫化橡胶中游离硫含量的测定 亚硫酸钠法》由TC35(全国橡胶与橡胶制品标准化技术委员会)归口,主管部门为中国石油和化学工业联合会。
本标准规定了用亚硫酸钠法测定硫化橡胶中的游离硫。本标准适用于以下各种硫化橡胶中游离硫的测定:天然橡胶、丁苯橡胶、顺丁橡胶、丁腈橡胶、氯丁橡胶、合成聚异戊二烯橡胶以及上述橡胶的并用橡胶。本方法不适用于丁基橡胶及未硫化橡胶。
Scope
This standard specifies the determination of free sulfur in vulcanized rubber by the sodium sulfite method. This standard is applicable to the determination of free sulfur in the following vulcanized rubbers: natural rubber, styrene-butadiene rubber, butadiene rubber, nitrile rubber, neoprene rubber, synthetic polyisoprene rubber and the rubber used in combination with the above rubbers. This method is not applicable to butyl rubber and unvulcanized rubber.

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