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产品描述
金属元素混标标液A瓶（Mn：100mg/L ； Ag、Al、As、Cr、Cu、Ni、Pb、Sb、Se、V、Zn、Ba：10mg/L ； Cd、Be、Tl、Mo、Co：1.0mg/L） 100ml，5%HNO3，trace HF
