Total Residual Free Chlorine (Cl)

Dibenz[a,i]acridine, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 226-92-6

Methyl hexadecanoate-d31 (Methyl palmitate-d31), 1000µg/mL, Solvent-n-hexane, Unit 1mL, # of units-5, Cas.no. 29848-79-1

1-(4'-Sulfophenyl)-3-carboxy-5-pyrazolone, 50mg