beta-HCH, 100 µg/ml, Methanol, 1ml Back Catalog number: 680443 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 57039 Yttrium (Y) Price on request 57032 Germanium (Ge) Price on request 1773.2 ISO 9377-2Mineral/diesel, 5000µg/ml in Hexane,5ml Price on request