Semi-Volatile Surrogate Standard Back Catalog number: 93927 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3327.10-100-AN Captafol Price on request 95282 Potassium butylxanthate (as butylxanthate acid) Price on request 1157.37-100-IO n-Heptatriacontane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7194-84-5 Price on request