103SA北川式二氧化硫SO2气体检测管103SA SULPHUR DIOXIDE 0.1-3.0%
面议103SA北川式二氧化硫SO2气体检测管103SA SULPHUR DIOXIDE 0.1-3.0%
面议158SB苯乙烯C6H5CH=CH2气体检知管158SB STYRENE 1-100ppm
面议158S苯乙烯C6H5CH=CH2气体检测管158S STYRENE 2.5-300ppm
面议240S硅烷SiH4气体检测管240S SILANE 0.5-50ppm
面议105SD吡啶C5H5N气体检测管105SD PYRIDINE 0.5-10ppm
面议163SA环氧丙烷气体检测管163SA PROPYLENE OXIDE 0.05-5.0%
面议122SC丙二醇CH3CH(OH)CH2OH气体检测管122SC Propylene glycol 5-50
面议122SC环氧乙烷CH3CHCH2O气体检测管122SC ETHYLENE OXIDE 3-70ppm
面议185S丙烯CH2=CHCH3气体检测管185S PROPYLENE 50-1000ppm
面议130U正丙基硫醇CH3CH2CH2SH检测管130U n-PROPYL MERCAPTAN 0.5-10
面议105SD丙基胺CH3CH2CH2NH2气体检测管105SD PROPYL AMINE 1-20ppm
面议151U乙酸正丙酯气体检知管151U PROPYL ACETATE 20-1000ppm
面议