- Phone
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Address
Building B2, Xinlong Building, No. 87 Jiancai Chengxi Road, Changping District, Beijing
Beijing Beiyimingke Technology Co., Ltd
Building B2, Xinlong Building, No. 87 Jiancai Chengxi Road, Changping District, Beijing
1/4 inch outer diameter, made of transparent polytetrafluoroethylene material, filled with 2g of lime, with a length of 30cm. It is highly absorbent of carbon dioxide and changes from pink to light yellow or gray white after absorption. After prolonged storage, it can still turn pink, but the absorption will decrease. It is recommended to replace it
1/4 inch outer diameter, made of transparent polytetrafluoroethylene material, filled with 2g of lime, with a length of 30cm. It is highly absorbent of carbon dioxide and changes from pink to light yellow or gray white after absorption. After prolonged storage, it can still turn pink, but the absorption will decrease. It is recommended to replace it
Environmental air and exhaust gases - Determination of trifluoromethane, tetrafluoromethane, hexafluoroethane, and sulfur hexafluoride - Gas chromatography-mass spectrometry method
HJ1392-2014 Determination of Trifluoromethane, Tetrafluoromethane, Hexafluoroethane, and Sulfur Hexafluoride in Environmental Air and Waste Gas Gas Gas Chromatography Mass Spectrometry Method