由于世界各国对环保越来越重视,传统空调制冷剂对臭氧层的消耗和使全球气温变温的问题不得不重视。碳氢制冷剂因其高效能、无污染等优点成为传统制冷剂的替代品,
名称：毛细管柱
型号：HH-pLOT-AL2O3/S
规格：50m*0.53mm*15um
固定相：三氧化二铝
最高使用温度：200°C
适用于安捷伦，岛津，赛默飞，瓦里安，布鲁克，PE等
HG/T 4632-2014 制冷剂用丙烷(HC-290)
范围
本标准规定了制冷剂用丙烷的要求、试验方法、检验规则、标志、包装、运输、贮存和安全。
本标准适用于制冷剂用丙烷。该产品主要以单工质或混合工质替代二氟一氯甲烷(HCFC-22)。
分子式: C3H8。
相对分子质量: 44.09(按2007年相对原子质量)。
要求
外观
无色透明液体，无可见固体颗粒。
制冷剂用丙烷应符合表1所示的技术要求。
Due to the increasing emphasis on environmental protection in countries around the world, the consumption of ozone layer by traditional air conditioning refrigerants and the problem of global temperature fluctuations have to be taken seriously. Carbon hydrogen refrigerants have become a substitute for traditional refrigerants due to their high efficiency and pollution-free advantages,
Name: Capillary Column
Model: HH-pLOT-AL2O3/S
Specification: 50m * 0.53mm * 15um
Fixed phase: Aluminum oxide
Maximum operating temperature: 200 ° C
Suitable for Agilent, Shimadzu, Thermo Fisher, Varian, Brooke, PE, etc
HG/T 4632-2014 Propane (HC-290) for refrigerants
Range
This standard specifies the requirements, test methods, inspection rules, labeling, packaging, transportation, storage, and safety of propane for refrigerants.
This standard is applicable to propane used as a refrigerant. This product mainly replaces difluorochloromethane (HCFC-22) with single or mixed refrigerants.
Molecular formula: C3H8。
Relative molecular mass: 44.09 (based on the relative atomic mass in 2007).
requirement
appearance
Colorless transparent liquid with no visible solid particles.
Propane used as a refrigerant should meet the technical requirements shown in Table 1.
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