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EPA TCL多环芳烃混标 CRM certified reference material, TraceCERT®, 2000 μg/mL each component in methylene chloride: benzene (1:1)

多环芳烃混标

EPA TCL多环芳烃混标 CRM certified reference material, TraceCERT®, 2000 μg/mL each component in methylene chloride: benzene (1:1)

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Supelco (2)

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CRM47543

多环芳烃混标, certified reference material, 2000 μg/mL each component in benzene: dichloromethane (50:50), ampule of 1 mL

CRM48905

多环芳烃混标, certified reference material, TraceCERT^®, 2000 μg/mL each component in methylene chloride: benzene (1:1)