由于世界各國對環(huán)保越來越重視,傳統(tǒng)空調制冷劑對臭氧層的消耗和使全球氣溫變溫的問題不得不重視。碳氫制冷劑因其高效能、無污染等優(yōu)點成為傳統(tǒng)制冷劑的替代品,
名稱：毛細管柱
型號：HH-pLOT-AL2O3/S
規(guī)格：50m*0.53mm*15um
固定相：三氧化二鋁
最高使用溫度：200°C
適用于安捷倫，島津，賽默飛，瓦里安，布魯克，PE等
HG/T 4632-2014 制冷劑用丙烷(HC-290)
范圍
本標準規(guī)定了制冷劑用丙烷的要求、試驗方法、檢驗規(guī)則、標志、包裝、運輸、貯存和安全。
本標準適用于制冷劑用丙烷。該產品主要以單工質或混合工質替代二氟一氯甲烷(HCFC-22)。
分子式: C3H8。
相對分子質量: 44.09(按2007年相對原子質量)。
要求
外觀
無色透明液體，無可見固體顆粒。
制冷劑用丙烷應符合表1所示的技術要求。
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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