GBZ/T 300.85-2017
etermination of toxic substances in workplace air-Part 85: Butyl alcohol,amyl alcohol and allyl alcohol
WS/T 72-1996
WS/T 71-1996
ISO 21257:2024
Plastics — Polymer polyols for use in the production of polyurethanes — Determination of the residual acrylonitrile and styrene monomer content by gas chromatography
BS ISO 21257:2018
Plastics. Polymer polyols for use in the production of polyurethane. Determination of the residual acrylonitrile and styrene monomer content by gas chromatography
GB/T 37629-2019(\u82f1\u6587\u7248)
纺织品 定量化学分析 聚丙烯腈纤维与某些其他纤维的混合物(甲酸/氯化锌法)
ISO 21257:2018
Plastics — Polymer polyols for use in the production of polyurethane — Determination of the residual acrylonitrile and styrene monomer content by gas chromatography