Standard No.:	GB/T 6015-2021
English Name:	Determination of trace dimer and residual extraction agent of butadiene for industrial use—Gas chromatographic method
Chinese Name:	工业用丁二烯中微量二聚物和残留抽提剂的测定 气相色谱法
Chinese Classification:	G15    Organic chemicals in general
Professional Classification:	GB    National Standard
ICS Classification:	71.080.10 71.080.10    Aliphatic hydrocarbons 71.080.10
Issued by:	SAMR; SAC
Issued on:	2021-08-20
Implemented on:	2022-3-1
Status:	valid
Superseding:	GB/T 6015-1999 Butadiene for industrial use-Determination of trace dimer -Gas chromatographic method
Language:	English
File Format:	PDF
Word Count:	5500 words
Price(USD):	165.00
Delivery:	via email in 1~3 business day

本文件规定了用气相色谱法测定工业用丁二烯中微量二聚物以及残留抽提剂的含量。
本文件适用于工业用丁二烯中微量4-乙烯基环己烯、1,2-二乙烯基环丁烷、1,5-环辛二烯等丁二烯二聚物和乙腈（ACN）、N,N-二甲基甲酰胺（DMF）、N-甲基吡咯烷酮（NMP）等残留抽提剂的测定，二聚物的最低测定浓度为5 mg/kg，抽提剂的最低测定浓度为1 mg/kg。