Total Residual Free Chlorine (Cl) Back Catalog number: 54124 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679947 Thiamethoxam Metabolite CGA 353968, 100 µg/ml, Ac Price on request 675898 Pentachloroanisole, 100mg Price on request MGHCH g-1,2,3,4,5,6-Hexachloro(13C6)cyclohexane, 1.2mL x 100ug/mL, nonane Price on request