2,8-Dichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-28-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1750.15-100-IO 2,4,6-Trimethyldibenzothiophene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 185493-79-7 Price on request 0025.16-100-T 3-Nitrofluoranthene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 892-21-7 Price on request 54597 WP Total Hardness Price on request