Primary Freon Standard Back Catalog number: 95241 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10677.29-100-IO (24R)-24-Ethylcholesta-3,5-diene Price on request S-4052-3K-10LW Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light 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 59804 TOC Calibration Standard (C) Price on request