Internal Standards Mix 33, 2000 ng/µl, 1ml Back Catalog number: YA08273300TO Availability: In the manufacturer's stock Price on request - + Recommended 70263 Simazine, 1000µg/ml in Acetone, 1ml Price on request S088128 Salicylic Acid-13C6, 1mg Price on request C10070100 Aldicarb D3, 10mg Price on request