Btex Standard Formulations, High Level, Iso/Iec Guide 34 Certified, Nist-Traceable Certified Reference Material, Each

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Organic standard manufactured for gc, gc/ms, hplc, lc/ms, and other analytical instrumentationanalytecas no.Concentrationbenzene71-43-22000μg/mlethylbenzene100-41-42000μg/mlm-xylene108-38-32000μg/mlo-xylene95-47-62000μg/mlp-xylene106-42-32000μg/mltoluene108-88-32000μg/mlcertificationsaccredited by a2la for iso/iec 17025 and iso/iec guide 34 and certified by ul-dqs to iso 9001complianceghs/osha complaint