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苯胺标准溶液,62-53-3,analytical standard,0.989 mg/ml in methanol
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亚硝酸盐标准溶液,100mg/L in water
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联苯胺标准溶液,92-87-5,1000μg/ml,溶剂:甲醇
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(As、Sb、Bi、Ca、Co、Cu、Fe、Ga、K、Li、Mg、Mn、Na、Ni、Pb、Sr)多元素混合标准溶液(混标),100μg/ml, in hydrochloric acid, nitric acid
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硝酸锶(易制爆),10042-76-9,99.97% metals basis
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亚硝酸盐标准溶液(以氮计),100mg/L in water
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铥标准溶液,7440-30-4,1000ug/ml Tm in 1.0 mol/L HNO3
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镁标准溶液,7439-95-4,1000ug/ml in 5%HCl
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亚硝酸盐标准溶液
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Sr锶元素灯HOLLOW CATHODE LAMP: Sr L233,用于AA-7000
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