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镉标准溶液,7440-43-9,1000ug/ml in 1.0mol/L HNO3
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钴标准溶液,7440-48-4,500mg/L,in:3% HNO3
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苯胺标准溶液,62-53-3,analytical standard,100mg/L in 1%HCl
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铅标准溶液,7439-92-1,1000ug/ml Pb in 1.0 mol/L nitric acid
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(Zr,Hf,W,Mo,Ta,Nb,Ti)多元素混合标准溶液,analytical standard ,100ug/ml in 1.0mol/L HF and 1.0mol/L HNO3
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B2721 高硼硅平口发酵试管
● 材质:高硼硅玻璃(3.3料) ● 颜色:透明 ● 可高压灭菌 ● 耐受高温高压 ● 口径细而短 ● 平口圆底,厚壁均匀 ● B2721-01一般用于1μl液体的发酵
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联苯胺标准溶液,92-87-5,1000μg/ml,溶剂:甲醇
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氧化硼,1303-86-2,98%
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二氧化硫标准溶液,7446-09-5,analytical standard,100mg/L in formaldehyde solution
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锰标准溶液,7439-96-5,analytical standard ,1000ug/ml in 1.0 mol/L HNO3
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