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水质苯胺标样
250 ml YOUTILITY新蓝盖试剂瓶
PAH-Mix 246 10-100 ng/μL in Acetonitrile标准品
SilTite 螺母s, GC/MS 5个/包装
腺嘌呤盐酸盐
异丙甲草胺标准品
DURAN? reagent bottle, wide neck, with NS 24/20, amber, with standard ground joint without head stopper, 50 ml
Frit PEEK Blu 0.5μm ?.195 x .064 x ?.247
18种磺胺药物混标(农业部1025号公告)
SINTERED DISCS, 30 MM DIAM. P 4