Method 1613 Internal Standard Spiking Solution, 200ng/ml in Nonane, 0,5ml Back Catalog number: EDF-5999 Availability: In the manufacturer's stock Price on request - + Recommended 681695 2,3,4-Trichlorophenol, 100 µg/ml, Methanol, 5ml Price on request 678087 Diclobutrazol, 100 µg/ml, Acetonitrile, 1ml Price on request 38195 WS Formaldehyde Price on request