Anions Mix Back Catalog number: 50292 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70921 3,3’-Dimethoxybenzidine Price on request S-4341-K-HX Quality Control Standard of Mineral Oils 2 2x500µg/ml in n-Hexane i 1ml crimp-top Price on request PAH-LCS-B PAH Labelled Compound Solution, 1.2ml, isooctane Price on request