Standard No.:	GB/T 28727-2025
English Name:	Gas analysis—Determination of the contents of trace sulfur compounds in gases—Gas chromatography with flame photometric detector
Chinese Name:	气体分析 气体中微量硫化合物含量的测定 火焰光度气相色谱法
Chinese Classification:	G86    Industrial gas and chemical gas
Professional Classification:	GB    National Standard
ICS Classification:	71.100.20 71.100.20    Gases for industrial application 71.100.20
Source Content Issued by:	SAMR; SAC
Issued on:	2025-08-29
Implemented on:	2026-3-1
Status:	valid
Superseding:	GB/T 28727-2012 Gas analysis—Determination of sulfides—Gas chromatograph with flame photometric detector
Target Language:	English
File Format:	PDF
Word Count:	6500 words
Translation Price(USD):	195.0
Delivery:	via email in 1~3 business day

本文件规定了用火焰光度气相色谱法测定气体中微量硫化合物含量的试验条件、试剂与材料、仪器设备、采样、试验数据处理、精密度和测量不确定度、质量保证和控制、试验报告的要求，描述了试验方法的原理、试验步骤。
本文件适用于气体中硫化氢、甲硫醇、甲硫醚、二硫化碳等各种硫化合物和总硫含量的测定。总硫含量（以硫计）通过测定所有硫化合物含量加和后得到。硫化合物含量的测定范围为（0.02～20）×10 -6（摩尔分数）。对超出测定范围的样品，改变分析条件或稀释后进行测定。