Ketoprofen, 100 µg/ml, Methanol, 1ml Back Catalog number: 681070 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-LCS-B40 Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 3327.10-100-AN Captafol Price on request 676133 iso-Chloridazon, 100 µg/ml, Acetonitrile, 1ml Price on request