Hexavalent Chromium (Cr 6+) Back Catalog number: 56161 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53045 Calibration Standard Mix 3 Price on request 10200.21-5MG (-)-delta-9-THC-13C4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request 13700-0165-100MT5 Trichloroacetic acid (TCA), 100µg/ml in MTBE, 5ml Price on request