| 品牌:haohan | | 型号:HH-624 | | 加工定制:是 | |
| 测量范围:ppm | | 测量对象:游离环氧丙烷 | | 控温范围:250 ℃ | |
| 尺寸:30000 mm | | 重量:0.02 Kg | | 游离环氧丙烷: 环氧丙烷聚合型表面活性剂 | |
| 环氧乙烷:非甲烷总烃 | | 石墨化碳黑:零级空气发生器 | | 氧化铝:* | |
| GDX-105:407有机担体 | | | | | |
名称:毛细管柱
固定相:6 %腈丙基苯基 94 %二甲基聚硅氧烷,
规格:30m*0.32mm*1.0um
型号:HH-624
应用:
表面活性剂 聚合型表面活性剂中游离环氧丙烷的测定 气相色谱法
ISO 19619:2018《表面活性剂——环氧丙烷聚合型表面活性剂中游离环氧丙烷的测定——气相色谱法》规定了一种基于气相色谱的环氧丙烷聚合型表面活性剂中游离环氧丙烷含量的分析方法,适用于确定环氧丙烷嵌段共聚表面活性剂及其他可能以聚丙二醇类结构的物质为原料的产品中游离环氧丙烷的含量。
Name: capillary column
Stationary phase: 6% nitrile propylphenyl 94% dimethylpolysiloxane,
Specifications: 30m*0.32mm*1.0um
Model: HH-624
Applications: Surfactants Determination of free propylene oxide in polymeric surfactants Gas chromatography
ISO 19619:2018 "Surfactants - Determination of Free Propylene Oxide in Propylene Oxide Polymeric Surfactants - Gas Chromatography" specifies a gas chromatography-based free ring in propylene oxide polymerizable surfactants The analytical method for the content of propylene oxide is suitable for determining the content of free propylene oxide in the propylene oxide block copolymer surfactant and other products that may use polypropylene glycol-like structures as raw materials.