Standard-Li 250ppm, K 10,000ppm & Na 1,000ppm in 2% HNO3h3>

货号：ICP3A2
包装：100mL
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ICP多元素混合标准 ICP多元素混标-Li 250ppm, K 10,000ppm & Na 1,000ppm 2% 硝酸