TOC/TIC Mixed Standard, 1000ppm each in Water, 500ml Back Catalog number: TOIC1M Availability: In the manufacturer's stock Price on request - + Recommended 54506 Sulfate (SO4-2), 1000µg/ml in Water, 500ml Price on request 54112 Ammonia as (NH4+) Price on request 2495.1 4-Chlorophenol solution, 200mg AOX/l, 100ml Price on request