CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 23016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59863 Mix 3 Price on request 8646.12-50-NN 1,2,3,4,7-Pentachlordibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request 0707.14-500-IO 1,4,6,7-Tetramethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13764-18-6 Price on request