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ALUMINIUM CRIMP CAPS, WITH BLUE-GREY PTFE-COATED BUTYL-RUBBER DICS., CAP SIZE N-20,TER OFF TYPE
LST-MUG肉汤
2,4,6-三氯苯酚 标准品
猪肉粉基质中链霉素质控样
Process Chemistry, Pure PTFE, Reactor Lid,200mm
砷(As)ICP-MS标准溶液,10000mg/L±0.3%溶于15% HCl
4-氯苯腈
CSRS300 阳离子抑制器-老款
Durapore 表面滤膜,PVDF,疏水
o-Isopropylbenzenethiol