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氧化硅膠收集管 No.801 不能被收集在活性炭中的極性溶劑蒸氣，例如甲醇。300mg單個(gè)部分的試管裝有溢出型指示劑。每盒20支裝。氧化硅膠收集管 No.801 Silica-gel tube
更新時(shí)間：2024-11-28
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氧化硅膠收集管 No.801 Silica-gel tube
氧化硅膠收集管 No.801 不能被收集在活性炭中的極性溶劑蒸氣，例如甲醇。300mg單個(gè)部分的試管裝有溢出型指示劑。每盒20支裝。氧化硅膠收集管 No.801 Silica-gel tube
801 is designed for sampling organic solvents in environmental air, particularly for polar solvents such as Methanol and Acetone which cannot be sufficiently adsorbed onto charcoal.
Organic solvent vapour is adsorbed onto the silica gel while passing through the tube. Adsorbed solvent is recovered with a desorption solvent followed by gaschromatographic analysis. When sample air corresponding to 60 to 80 & of the amount causing breakthrough is passed, the colour begins to change from blue to pink by the moisture from the silica gel side predicting breakthrough.
801是專為抽樣，尤其是如甲醇，丙酮極性不能得到充分的炭吸附溶劑到環(huán)境空氣中有機(jī)溶劑。
有機(jī)溶劑蒸氣吸附到硅膠管，同時(shí)通過(guò)傳遞。吸附溶劑回收與gaschromatographic分析奉行脫附溶劑。當(dāng)空氣樣本對(duì)應(yīng)60至80及造成的數(shù)額突破是通過(guò)顏色開(kāi)始由藍(lán)粉的水分從硅凝膠方變化預(yù)測(cè)的突破。
Tubes for working environment measurement
| 102SD Acetone | 106SC Carbon monoxide | 107U Ethyl ether |
| 109U Chlorine | 111U Ethyl acetate | 111U Isopropyl acetate |
| 112SC Hydrogen cyanide | 118SD Benzene | 120SB Hydrogen sulphide |
| 120U Hydrogen sulphide | 122SD Ethylene Oxide | 124SB Toluene |
| 126SB Carbon dioxide | 128SD Acrylonitrile | 132SC Vinyl chloride |
| 134SB Trichloroethylene | 135SA Tetrachloroethylene | 138U Butyl acetate |
| 143SB Xylene | 145SA 1,2-Dichloroethylene | 147S Carbon tetrachloride |
| 150U Isopropyl alcohol | 156S Hydrogen fluoride | 158SB Styrene |
| 160S 1,1,1-Trichloroethane | 153U Isobutyl acetate | 178SB Chlorobenzene |
| 183U Cresol | 189U 2-Butanol | 197U Cyclohexanone |
| 198U Methyl cyclohexanone | 196S N,N-Dimethyl formamide | 209U Isopentyl alcohol |
| 141SB Carbon disulphide |
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