Anion Mix #2 Back Catalog number: 50173 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BDE-21 2,3,4-Tribromodiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 72285 L-Valine Price on request 22016 CLP Semi-Volatile Base/Neutral Surrogate Std Price on request