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pH Standard,Sodium Bicarbonate (191d-I),Sodium Carbonate (191d-II)
Molecular Formula:: No.:NIST-SRM191d 
Molecular Weight: CAS: 
Assay: Brand:原装进口 
Specifications Price(RMB) 优惠价(RMB) 预计发货期 备注
1 bottle x25g;1bottlex30g 18,480 请询价 3-4周 In-Stock

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