EPA Method 507/525 Analyte Mix #1 Back Catalog number: 30082 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10157.4-K-ME Sodium DL-3-hydroxybutyrate, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 150-83-4 Price on request S-4051-400-10HW Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C) Price on request 3348.7-100-CY Crimidine Price on request