碳酸氢钠 ≥99%, GPR RECTAPUR®
供应商: VWR Chemicals产品技术规格
Assay | Min. 99 % |
Heavy metals (as Pb) | Max. 20 ppm |
Cl (Chloride) | Max. 150 ppm |
SO4 (Sulphate) | Max. 100 ppm |
Fe (Iron) | Max. 10 ppm |
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About VWR
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