WP Total Hardness Back Catalog number: 54156 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended AXCL11DP exo-anti-Cl11-Dechlorane Plus®, 1.2ml x 50ug/ml, toluene Price on request 0389.14-K-TX5 Phenanthrene-d10, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1517-22-2 Price on request GHBCD γ-1,2,5,6,9,10-Hexabromocyclododecane, 50µg/ml in Toluene, 1,2ml Price on request