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钼标准溶液,7439-98-7,500 mg/L,溶剂:水和微量氨水
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银纳米线,直径:200nm 长度:50μm Purity:>99.5% 浓度:5mg/mL 溶剂:20ml水 ,溶质:100mg
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4-氯苯酚标准溶液,106-48-9,1000μg/ml,溶剂:甲醇
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锂标准溶液,7439-93-2,100mg/L in 1%HCl
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砷标准溶液,7440-38-2,analytical standard, 100mg/L in H2SO4
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1,2-二溴乙烷标准溶液,106-93-4,analytical standard,100mg/L in methanol
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亚硝酸盐标准溶液,100mg/L in water
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硒标准溶液,7782-49-2,100mg/L in water
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硒标准溶液,7782-49-2,100mg/L in 1%HCl
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苯酚标准溶液,1000ug/ml in 0.02mol/L NaOH
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