Mixed Alcohols, Butanol/Methanol (63:37)

WS Disinfection By-Products - Cal Check 1

Gonyautoxin-1 and -4, 106+35µM, Solvent-HCl/AcOH(Aq), Unit 0.5mL, # of units-1, Cas.no. 60748-39-2/64296-26-0

Guanylurea, 100µg/ml in Acetonitrile, 5ml