EPA Method 525 - Perchlorinates & Phthalates Back Catalog number: 30129 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2360.13-100-ME 2-Amino-2',5-dichlorobenzophenone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2958-36-3 Price on request 3659.6-1G 1,4-Dibromobenzene Price on request 9020.6-K-AN 2-Nitro-4-diphenylenediamine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 3694-52-8 Price on request