beta-HCH, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673615 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 50632 Ammonia as (NH4+) Price on request 54563 Phosphate as (PO43-) Price on request 10928.17-K-IO n-Pentyltri-n-butyltin,1000 µg/mL,isooctane,1mL Price on request