Standard No.:	GB/T 39699-2020
English Name:	Rubber. Identification of polymers. Pyrolytic gas-chromatographic method using mass-spectrometric detection
Chinese Name:	橡胶 聚合物的鉴定 裂解气相色谱-质谱法
Chinese Classification:	G40    Rubber products in general
Professional Classification:	GB    National Standard
Issued by:	SAMR; SAC
Issued on:	2020-12-14
Implemented on:	2021-11-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	8500 words
Price(USD):	255.00
Delivery:	via email in 1~3 business day

本标准规定了采用裂解气相色谱/质谱法分析橡胶裂解产物来鉴定橡胶种类的方法。本标准适用于生橡胶、硫化橡胶或未硫化橡胶，这些橡胶可以是单一橡胶、也可以是两种或多种橡胶的并用橡胶。使用本标准不能检测和鉴定并用橡胶中含量低于10%的某些胶种。本标准鉴定的橡胶种类不限于第4章给出的这些橡胶。