525.2 Perfomance Check Solution Back Catalog number: 97128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 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 19367 CLP - Instrument Performance Check Soln Price on request 71311 Phthalic acid Price on request