WP Total Phenolics Back Catalog number: 50218 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57127 Cobalt (Co) Price on request 1944.8-1G Sodium tetraethylborate, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 15523-24-7 Price on request 0771.16-500-IO 9,10-Dimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 604-83-1 Price on request