SDWA Perchlorate Back Catalog number: 55099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66118 PCB No. 118, 100µg/ml in Isooctane, 1ml Price on request 56034 Selenium (Se) Price on request S-4464-2K-5ME ISO 15680 Stock Internal Standard Solution 4 Analytes, each 2000µg/mL in methanol; unit: 1x5mL 2017.6 Fluorobenzene [462-06-6] 3942.6 1,4-Difluorobenzene [540-36-3] 3943.6Monochlorobenzene-d5 [3114-55-4] 1957.6 Price on request