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有机相PVDF滤膜
p-Butoxyaniline
硝基苯，氯苯分析柱 2米，玻璃
Retort clamp, stainless steel green lacquered, length 150 mm, opening up to ? 40 mm, with round jaws, cork lined
8-氯喹林
锑化镓
Thorium 1,000 mg/L in 2% HNO3, 25 mL (Th(NO3)4)
SPE ENVI-DISK47mm过滤夹
Stirrer tip
管架, 1x15ml 直径17mm 锥形底, 2个/包
