Mass-Labelled PCB Solution, 1.2ml x 20ng/ml, nonane Back Catalog number: PCB-IS-A20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended N-12234-1G Isobutyl alcohol, 1g Price on request 675700 2-Methyl-4-isothiazoline-3-one, 100mg Price on request 71472 1,4-Thioxane Price on request