Total Residual Free Chlorine (Cl) Back Catalog number: 54224 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4120-10ML Daily Quality Control Standard (without Internal Standard) 14 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane Price on request 8525.20-10-AN Ochratoxin B, 10µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 4825-86-9 Price on request LIPFMESI Lithium bis(trifluoromethanesulfonyl)imide, 50µg/ml in MeOH, 1,2ml Price on request