名稱：填充柱

固定相：高分子小球

型號：Porapak Q

規(guī)格：2m*3mm

粒度：0.15mm--0.18mm

應(yīng)用：GB_T 31400-2015_氟代烷烴 不凝性氣體(NCG)的測定 氣相色譜法

GB/T 33063-2016 制冷劑用氟代烯烴 不凝性氣體（NCG）測定通用方法

滕州市浩瀚色譜儀器技術(shù)服務(wù)有限公司，采用氣相色譜法測定制冷劑中的不凝氣含量,色譜柱為PQ柱,載氣為氦氣,TCD檢測器,結(jié)果表明選擇性,重復(fù)性和再現(xiàn)性較好,方法簡便,準(zhǔn)確,重復(fù)性好,可用于制冷劑中不凝氣含量的測定。

六氟丙烯中不凝性氣體測定PQ柱 測試譜圖：




PQ column for determination of non-condensable gases in hexafluoropropylene
PQ column for determination of non-condensable gases in hexafluoropropylene Details:

Name: packed column

Stationary phase: polymer beads

Model: Porapak Q

Specification: 2m * 3mm

Granularity: 0.15mm--0.18mm

Application: GB_T 31400-2015_Fluoroalkanes Determination of Non-Condensable Gases (NCG) Gas Chromatography

GB / T 33063-2016 General method for determination of non-condensable gas (NCG) for fluoroolefins for refrigerants


Hexafluoropropylene C3F6 or CF3CFCF2
1. Alias · English name
Perfluoropropylene; Perfluoropropylene, pernuoropropene Hexafluoro-propene.
2. Use
Forming copolymers, adding non-flammable and non-oxidizing properties to copolymers; organic synthesis intermediates.
3. Manufacturing method
(1) Decomposition of polytetrafluoroethylene.
(2) Thermal decomposition of chlorodifluoromethane.
(3) Debromination reaction of 1,2-dibromohexafluoropropane.
4. Physical and chemical properties
Molecular weight: 150.023
Melting point: -156.5 ℃
Boiling point (101.325kPa): -29.6 ℃
Liquid density (-40 ° C): 1583kg / m3
Gas density (101.325kPa, 20 ℃): 6.240kg / m3
Relative density (101.325kPa, 20 ℃, air = 1): 5.18
Specific volume (21.1 ℃, 101.325kPa): 0.161m3 / kg
Critical temperature: 94.0 ℃
Critical pressure: 2900kPa
Critical density: 510.4kg / m3
Gasification heat (-29.6 ℃): 134.503kJ / kg
Vapor pressure (-40.71 ° C): 61.727kPa
(-3.31 ℃): 303.033kPa
(19.74 ° C): 652.746kPa
Viscosity (gas, 101.325kPa, 25 ° C): 0.0119mPa · S
Thermal conductivity (gas, 101.325kPa, 25 ° C): 0.011255w / (m · K)
Flammability level: 1
Toxicity level: 0
Reactivity level: 0
Hexafluoropropene is a colorless and non-flammable gas at normal temperature and pressure. However, when mixed with flammable gases, it will also cause decomposition and release toxic products. It is easy to liquefy and fill bottles, and S.P. is 687.4kPa at 21.1 ℃.
5. Toxicity and safety protection
No data on its toxicity have been obtained so far, and it is recommended to be slightly toxic, and it can be considered non-toxic at low concentrations.
Hexafluoropropene is non-corrosive in the absence of water, so commonly used metals are suitable. However, if it comes into contact with water, it will slowly hydrolyze and cause corrosive conditions. Therefore, the equipment and pipeline must be removed from the air and moisture before use.


Tengzhou Haohan Chromatographic Instrument Technology Service Co., Ltd. uses gas chromatography to determine the non-condensable gas content in the refrigerant. The chromatographic column is a PQ column, the carrier gas is helium, and the TCD detector. The results show selectivity, repeatability and reproducibility. The method is simple, accurate, and repeatable. It can be used for the determination of non-condensable gas in refrigerants.



PQ column for determination of non-condensable gases in hexafluoropropylene