Interference Standard 4 Back Catalog number: 52041A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 62232 Aroclor 1232 in Transformer Oil Price on request 3481.7-100 Phorate-oxon , 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 2600-69-3 Price on request 53012 Calibration Standard Mix 3 Price on request