HH-NMHC-2玻璃微球总烃柱1m*1/8
¥1200.00
环境空气中非甲烷总烃的测定GDX-502甲烷预柱1m*1/8
¥1200.00
环境空气和废气总烃,甲烷和非甲烷总烃测定GDX-502甲烷柱2M*1/8
¥2600.00
胶鞋 烷基酚含量试验方法HH-35MS毛细管柱
¥4800.00
硅酮 DC-550
Silicone DC-550
分子量
别名 硅酮 DC-550 ;聚硅氧烷 DC-550,苯基甲基硅氧烷,25%苯基,苯基甲基硅油,25%苯基,聚甲基苯基硅氧烷,中等苯基
分子结构式
性状 具有抗氧化、抗水性和更好的热稳定性。易溶于氯仿,溶于乙醚,不溶于水。 。
质量标准
贮存 密封保存。
用途 气相色谱固定液(*使用温度225℃,溶剂为乙醚、甲苯),分析高沸点化合物、农药和萜烯。
名称：填充柱
型号：DC-550
规格：2m*4mm,80-100目
*高使用温度：220°C
货号：20220905001
应用：工业三氯氢硅分离；水质三氯甲烷，四氯化碳的分析
Silicone DC-550
Silicone DC-550
molecular weight
Alias Silicone DC-550; polysiloxane DC-550, phenyl methyl siloxane, 25% phenyl, phenyl methyl silicone oil, 25% phenyl, polymethyl phenyl siloxane, medium benzene base
Molecular structural formula
Properties With antioxidant, water resistance and better thermal stability. Soluble in chloroform, soluble in ether, insoluble in water. Nontoxic.
Quality Standard
Storage Keep sealed.
Uses Gas chromatography stationary solution (*use temperature 225℃, solvent is ether, toluene), analyze high boiling point compounds, pesticides and terpenes.
Name: Packed Column
Model: DC-550
Specifications: 2m*4mm, 80-100 mesh
*High operating temperature: 220°C
Item number: 20220905001
Application: separation of industrial trichlorosilane; analysis of water chloroform and carbon tetrachloride
在线问
