Interference Standards Set Back Catalog number: 53038 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52046 Calibration Standard Mix 4 Price on request PN-18S 1,2,8-Trichloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request 72824 Chlorsulfuron, 1000μg/ml in MeOH, 1ml Price on request