Acids Calibration Level 1 Back Catalog number: 94838 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2530.11-100-ME 2-Methoxynaphthalene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 93-04-9 Price on request 1268.8-K-ME Ethylbenzene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 100-41-4 Price on request 675919 Atrazine-2-hydroxy, 100mg Price on request