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水中氯离子成分分析标准物质,1000μg/ml ±1% (20℃)
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镁标准溶液,7439-95-4,1000ug/ml in 5%HCl
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间硝基甲苯标准溶液,99-08-1,analytical standard,1000ug/ml in methanol
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3,5-二甲酚标准溶液,108-68-9,analytical standard,1000ug/ml in methanol
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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, 0.93mg/ml in methanol
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乙苯标准溶液,100-41-4,analytical standard,1000ug/ml in methanol
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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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