WS Disinfection By-Products - Cal Check 2 Back Catalog number: 93984 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675107 Sodium p-n-tridecylbenzenesulfonate, 100 µg/ml, M Price on request 83531 MCPB Price on request BDE-139 2,2',3,4,4',6-Hexabromodiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request