Permethrin, 10 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673659 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 54123 Ammonia as N, 100µg/ml in Water, 100ml Price on request 50767 Total Kjeldahl Nitrogen as N Price on request 95354 Alcohol Kit Price on request