CWA Perchlorate Back Catalog number: 55116 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L-PFTRDS Sodium perfluoro-1-tridecanesulfonate, 50µg/ml MeOH Price on request 79383 Phenol Price on request P5MHPS Perfluoro-5-methylheptane sulfonate, 200ul x 1.00ug/ml, methanol Price on request