Multi-Element Calibration Standard-2A Back Catalog number: 50012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended HCH-MXA Native HCH Solution/Mixture, 1.2ml, nonane Price on request 691958 Trifluoroacetic acid sodium salt, 100mg Price on request 79311 Diallate Price on request