TX TPH Calibration Standard (High End) Back Catalog number: 95155 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674644 Benzyldimethyloctadecylammonium chloride, 100mg Price on request 19107 EPA Method 611 - Analytes Price on request 3922.9-100-ME Lamotrigine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 84057-84-1 Price on request