Ammonia as (NH4+)

EPA Method 552.2 - Surrogate Standard

rac-(1R,2R)-1,2-dibromo-(4R)-4-((1R)-1,2-dibromoethyl)cyclohexane, 1.2ml x 50ug/ml , toluene

Stigmasterol, 100µg/mL, Solvent-n-hexane, Unit 1mL, # of units-5, Cas.no. 83-48-7