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Get PriceMay 30, 2019Advantages Of Semiconductor Gas Sensors May 30, 2019 Semiconductor gas sensors can be effectively used in: methane, ethane, propane, butane, alcohol, formaldehyde, carbon monoxide, carbon dioxide, ethylene, acetylene, vinyl chloride, styrene, acrylic and many other gas detection.
Get PriceApr 04, 2016However, formalin is a liquid, which is prepared by mixing formaldehyde gas and water. This is the main difference between formalin and formaldehyde. Generally, a saturated solution of formalin contains about 40% (by volume) or 37% (by weight) of formaldehyde gas and a stabilizer to prevent formaldehyde polymerization.
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