Herbicide Acid Standard Back Catalog number: 93913 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50461 Copper AA Standard (Cu) Price on request 675829 Endrin, 100 µg/ml, Toluene, 5ml Price on request 10447.7-5MG Trigonelline-d3 (methyl-d3) hydroiodide Price on request