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(Ag,Al,As,Ba,Be,Bi,Ca,Cd,Co,Cr,Cs,Cu,Ga,In,K,Li,Mg,Mn,Na,Ni,Pb,Rb,Se,Sr,Tl,V,Zn,Fe)多元素混合标准溶液,100μg/ml,介质 10%硝酸
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硝酸钇 六水合物,13494-98-9,99.99% metals basis
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银标准溶液,100ug/ml in 1%HNO3
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铯标准溶液,7440-46-2,100μg/ml,in 1% HCl
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硝酸钇 六水合物
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alpha-六六六标准溶液,319-84-6,analytical standard,10ug/ml in petroleum ether
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邻苯二甲酸二丁酯标准溶液,84-74-2,analytical standard,68.8μg/mL in methanol
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γ-六六六标准溶液,58-89-9,analytical standard,10ug/ml in petroleum ether
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水中氨氮成分分析标准物质,100μg/ml ±2% (20℃)
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水中氨氮成分分析标准物质,500μg/ml ±1% (20℃)
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