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硫化物标准溶液,analytical standard,60ug/ml-150ug/ml in zinc acetate solution
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三溴甲烷标准溶液,75-25-2,analytical standard,1000ug/ml in methanol
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三溴甲烷标准溶液,75-25-2,analytical standard, 0.93mg/ml in methanol
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ICP-MS 校准品 5;汞 10 µg/mL ICP-OES 校准标样
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硝酸根离子(NO₃-)标准溶液,500ug/ml in Water (20℃)
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硝酸根离子(NO₃-)标准溶液,100ug/ml in Water (20℃)
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硝酸盐氮标准溶液,100μg/ml in Water (20℃)
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银标准溶液,100ug/ml in 1%HNO3
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铯标准溶液,7440-46-2,100μg/ml,in 1% HCl
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铕标准溶液,7440-53-1,1000μg/mL in 10%HCL
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