GFAA Mix Back Catalog number: 50408 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95282 Potassium butylxanthate (as butylxanthate acid) Price on request 90766 tert-Butanol Price on request 1685.10-K-IO 2-n-Hexylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 18794-77-9 Price on request