总烃柱+PQ预柱+GDX502甲烷柱测定固定污染源废气中非甲烷总烃
总烃柱+PQ预柱+GDX502甲烷柱测定固定污染源废气中非甲烷总烃 详细信息:
名称:预柱
固定相:高分子小球
粒度:60-80目
规格:0.8m*1/8
型号:Porapak Q
名称:甲烷填充柱
固定相:高分子小球
规格:1.5m*1/8
粒度:60-80目
型号:GDX-502
应用:HJ 38-2017 固定污染源废气 总烃、甲烷和非甲烷总烃的测定 气相色谱法
名称:硅烷化总烃柱
材质:钝化不锈钢管
规格:0.6m*1/8
型号:HH-THC06
应用:HJ 604-2011 环境空气 总烃的测定 气相色谱法










浩瀚色谱(山东)应用技术开发有限公司以HJ/T 38-1999为基础,针对气相色谱法测定污染源废气中非甲烷总烃存在的诸多问题进行探讨,在总烃出峰峰形、废气氧峰值测定、高沸点物质干扰等方面做了研究试验。结果表明,1ml定量环容易造成总烃出现平头峰,改成0.25ml定量环能得到好的峰形;非甲烷总烃的检出限为0.04 mg/m~3(以碳计);氧峰值与氧量具有线性关系,应根据氧量判断氧峰值大小,而不是统一扣除除烃空气氧峰值;废气中存在高沸点组分时,容易吸附于采样容器内壁,将样品加热至100℃再测试可提高该组分的检出率。
总烃柱+PQ预柱+GDX502甲烷柱测定固定污染源废气中非甲烷总烃 测试谱图:
Total hydrocarbon column + PQ pre-column + GDX502 methane column for the determination of non-methane total hydrocarbons in waste gas from stationary pollution sources
Total hydrocarbon column + PQ pre-column + GDX502 methane column for the determination of non-methane total hydrocarbons in waste gas from stationary pollution sources Details:
Name: Pre-column
Stationary phase: polymer beads
Granularity: 60-80 mesh
Specifications: 0.8m*1/8
Model: Porapak Q
Name: Methane Packed Column
Stationary phase: polymer beads
Specifications: 1.5m*1/8
Granularity: 60-80 mesh
Model: GDX-502
Application: HJ 38-2017 Waste gas from stationary pollution sources-Determination of total hydrocarbons, methane and non-methane total hydrocarbons-Gas chromatography
Name: Silanized Total Hydrocarbon Column
Material: Passivated stainless steel tube
Specifications: 0.6m*1/8
Model: HH-THC06
Application: HJ 604-2011 Ambient air - Determination of total hydrocarbons - Gas chromatography