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银纳米线,直径:150nm 长度:50μm Purity:>99.5% 浓度:5mg/mL,溶剂:20ml乙醇 ,溶质:100mg
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银纳米线,直径:300nm 长度:30μm Purity:>99.5% 浓度:5mg/mL,溶剂:20ml乙醇,溶质:100mg
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锑标准溶液,7440-36-0,analytical standard,100mg/L in 5%HCl
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钡标准溶液,7440-39-3,analytical standard,100mg/L in 5%HCl
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硫线磷标准溶液,95465-99-9,analytical standard,100mg/L in acetone
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硫丹硫酸酯标准溶液,1031-07-8,100mg/L于甲苯:己烷 1:1
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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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碘标准溶液,7553-56-2,0.05000mol/L(0.1N)
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六号溶剂标准溶液
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化学需氧量(CODCr)测定仪检定用标准溶液,100mg/L in 0.05mol/L H2SO4
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