WS Low Level Perchlorate

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)

PAH Mixture E 25 Analytes, each concentration as listed intoluene; units: 1x1mL Prod.no. Compound CAS No. Conc. 0711,10 Naphthalene [91-20-3] 50 µg/mL 0002,12 Acenaphthylene [208-96-8] 200 µg/mL 0732,12 Acenaphthene [83-32-9] 200 µg/mL 0217,13 Fluo

4-Methylfluorene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1556-99-6