o-Toluidine, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 679892 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-G Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request LA18000014CY Pesticide-Mix 14, 10 ng/µl, 1ml Price on request 71354 3-Ethylpentane Price on request