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渗透压摩尔浓度标准物质(氯化钠溶液)
RS-100吸管瓶(圆形褐色) 100ml
2,4-二溴酚,100ng/ul于甲醇 标准品
GLASS MARKING PENCILS, LEAD-CASED, BLUE, 1 PACK = 12 PCS
三氟甲氧基苯
Hibar 250-10,LiChrospher 100 RP-8e 5μm定制柱
Storage bottle, PE-LD, narrow-mouth, with tap, 50 l
InfinityLab Poroshell 120 EC-C18 液相分析柱
DROPPING FUNNELS, CYL., WITHOUT PRESSURE EQULAIZING GRADUATED, NEEDLE VALVE-STOPCOCK W. PTFE-NEED
HyperSep Silica SPE Column, 70g, 150mL, 10个/包装