WS Residual Free Chlorine Back Catalog number: 55023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 56155 Cesium (Cs) Price on request S-4122-ASS-IOX10 NPD F-Internal Standard Cocktail 3 Analytes, each concentration as listed in isooctane; units: 1x1mL, 5x1mL, 10x1mL Chiron No. Name CAS No Conc. 1313.10 1-Fluoronaphthalene [321-38-0 ] 1 Price on request 9029.5-1ML Chlorobenzene-d5 , neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 3114-55-4 Price on request