Formaldehyde-2,4-DNPH, 1000µg/ml in AL, 5ml Back Catalog number: 685692 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-H200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 673060 Chlorhexidine diacetate, 250mg Price on request 675394 3-Methylphenol, 100 µg/ml, Methanol, 5ml Price on request