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正十一烷标准溶液,1120-21-4,analytical standard ,1000ug/ml in methanol
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乙酸正丁酯标准溶液,123-86-4,analytical standard,1000ug/ml,in methanol
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间硝基苯胺标准溶液,99-09-2,analytical standard,1000ug/ml in methanol
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硝酸根离子(NO₃-)标准溶液,1000μg/ml in Water (20℃)
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硝基苯标准溶液,98-95-3,analytical standard,1000ug/ml in methanol
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硅标准溶液,7440-21-3,1000ug/ml in 0.05mol/L NaOH
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镉标准溶液,7440-43-9,1000ug/ml in 1.0mol/L HNO3
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苯胺标准溶液,62-53-3,analytical standard,1000ug/ml in methanol
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p,p’-DDT标准溶液,50-29-3,1000ug/ml in Purge and Trap Methanol
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硝酸根离子(NO₃-)标准溶液,500ug/ml in Water (20℃)
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