pH 1.0 Standard @ 25°C Back Catalog number: 50125 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 83509 EPA Method 8315 Calibration Mix #1 Price on request S-4042-015-10CY Mass Discrimination Test Mixture for ASTM D 5739 150 µg/mL in pesticide grade cyclohexane, 10mL Naphthalene 99 % Fluoranthene 99 % Benzo[ghi]perylene 99 % Price on request 34321 cis-1,3-Dichloro-1-propene Price on request