-
石油类标准溶液(红外法),30.5μg/ml in Carbon tetrachloride
-
Dionex™ Carbohydrate Standards
-
TPh A | MedChemExpress (MCE)
-
正构烷烃混标(C10-C25),certified reference material, 1000 μg/mL in Hexane
-
硝酸根离子(NO₃-)标准溶液,500ug/ml in Water (20℃)
-
硝酸盐氮标准溶液,500ug/ml in Water (20℃)
-
四氯乙烯中石油类(红外法)分析校准用标准样品,1000 µg/ml
-
四氯乙烯中石油类 (红外法)有机物监测标样,50.7µg/ml
-
DB-TPH 色谱柱
-
TPh A T39578
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