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BW870002DW-30ml 30mL {{inventory}} {{goodObj.date}} BePure-BW {{item.norm}} 详见证书mg/L 室温或冷藏避光 常温运输
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6种阳离子混标

CAS name Standard value unit
7440-09-7 钾(K) 4.98 μg/mL
7440-70-2 钙(Ca) 5.04 μg/mL
7440-23-5 钠(Na) 5.01 μg/mL
7439-95-4 镁(Mg) 5.05 μg/mL
7439-93-2 锂(Li) 4.99 μg/mL
NH4+ 铵根 5.01 μg/mL