IC Standard 1A Back Catalog number: 50699 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-LCS-A40 Mass-Labelled PCDD/PCDF Solution/Mixture , 1.2ml , nonane Price on request 683776 trans-Permethrin, 100 µg/ml, Cyclohexane, 1ml Price on request 10920.31-500MG Vitamin E acetate (Synthetic),neat,neat,500mg Price on request