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亚硝酸盐标准溶液,1000ug/ml in water
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硝酸盐氮标准溶液,1000ug/ml in Water (20℃)
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水中硝酸根成分分析标准物质,1000ug/ml ±1% (20℃)
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锑,7440-36-0,99.99999% metals basis
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水质锑标样,7440-36-0,29.8μg/L
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邻苯二酚标准溶液,120-80-9,analytical standard,1000ug/ml in methanol
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水质锑标样
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(Al、Bi、Fe、Mn、Mo、Sb、Si、Ta、Ti、Zn、Zr)多元素混合标准溶液(混标),100μg/ml,in 8% HNO3, 1% HF,Na+
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苯酚标准溶液,1000ug/ml in 0.02mol/L NaOH
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银标准溶液,analytical standard ,1000ug/ml in 1%HNO3
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