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产品描述
Quality Control Standard #1, 23 Elements, 100 ml, mg/L ± 0.5% in 5% HNO3 + Tr HF100 Sb, As, Be, Cd, Cr, Co, Cu, Fe, Pb, Li, Mn Mo, Ni, P, Se, Sr, Tl, Sn, Ti, V, Zn500 Ca, Mg
