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δ-六六六标准溶液,319-86-8,analytical standard,10ug/ml in petroleum ether
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ICP-MS分析高纯PFA枪头适用于有机无机样品移取可定制尺寸适配不同移液枪
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毒死蜱标准溶液,2921-88-2,analytical standard,10ug/ml in acetone
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亚硝酸盐标准溶液(以氮计)
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氯离子标准溶液,100μg/ml in Water (20℃)
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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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氨氮标准溶液,1000μg/ml in Water (20℃)
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ICP-MS 校准品 5;汞 10 µg/mL ICP-OES 校准标样
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总氮标准溶液,analytical standard,1000μg/ml in water
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色度标准溶液,500°,in10%HCl
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