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DURAN? GLS 80 Laboratory glass bottle, wide neck, amber, with screw cap and pouring ring (PP), 3500 ml
NOT LONGER AVAILABLE !
FILTER PAPER, 25 SHEETS 210 X 110 MM FOR CHAMBER SATURATION
气相色谱柱,TG-WAXMS A 15m x 0.32mm x 0.50μm
Y-27632 dihydrochloride
59种VOC混标
3ml单标线吸量管(A 级)
SINTERED DISCS, 60 MM DIAM. P 5
O ring 176mm for cover
(易制毒三类)丙酮