规格纯度
全部
[100μg/ml（ u=3%，溶剂：苯）]
[10μg/ml u=5%]
[100μg/ml u=3%]
[1000ug/ml in Purge and Trap Methanol]
[10ug/ml,u=5%,in benzene]
[分析标准品, 100ug/ml,u=3% in benzene]
[分析标准品]
[100μg/mL u=3% 基体：苯]
[10μg/ml，u=5%]
[100μg/ml，u=3%]
[1000μg/ml in methylbenzene]
[1000 μg/mL in p-Dioxane]
[1000 μg/mL in MeOH]
[100 μg/mL in Methanol]
[10 μg/mL in MtBE]
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