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锆标准溶液,7440-67-7,1000μg/ml, in 1.0mol/L HNO3 and trace HF
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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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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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四氯化碳标准溶液,56-23-5,analytical standard,1000ug/ml in methanol
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