Internal Standard Solution, 1.2ml, nonane Back Catalog number: NK-IS-J5 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 50403 Phosphate as PO4-3 Price on request EPA-8290STN Native Stock PCDDs and PCDFs, 1.2ml, nonane Price on request S-4056-KIT Thiophene/2-Methylthiophene (2:1) in isooctane/Toluene(3:1); Units: 5x1mL ampoules, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4056-0 Blank 0 S-4056-5 5 Price on request