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Hexafluorobutadiene is an organofluorine compound with the formula (CF2=CF)2. A colourless gas, it has attracted attention as an etchant in microelectronics. It is the perfluoroanalogue of butadiene. It can be prepared by coupling of C2 compounds such as from chlorotrifluoroethylene or bromotrifluoroethylene. Routes from C4 species have also been demonstrated. For example, an early synthesis involved Zn-induced dechlorinaion of 1,2,3,4-tetrachloro-1,1,2,3,4,4-hexafluorobutane. Hexafluorobutadiene dimerizes via a [2+2] process at 150 °C to give perfluorinated divinylcyclobutanes.
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Continuous detection of VOC gas in explosion hazardous area with flame proof structure Self diagnosis function with built-in Microprocessor Easy replacement with a cartridge type sensor Digital flow sensor to maintain regular flow rate Fast response of gas leakage with a high efficient pump inside Low concentration VOC gas detection by PID sensor Stable quality…
Continuous detection of flammable, CO2, CO and N2O gases in explosion hazardous area with flame proof structure State-of-the art infrared detection principle Long service life time (more than 5 years) Operation in non oxygen environment Self diagnosis function with built-in Microprocessor Fast response time(<5 sec) Built-in back light LCD or OLED display Auto calibration and…
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