Silicon (Si) Back Catalog number: 57914 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 31070 EPA Method 502/524 Surrogate Standard #3, 2000µg/ml in MeOH, 1ml Price on request 2471.6-K-IP 2,3,6-Tribromophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 28165-57-3 Price on request 2476.7-K-IP 2,3,6-Trichloroanisole, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 50375-10-5 Price on request