Medicago AB Products Are Available Worldwide. For Laboratory Use Only. Pre-weighed powder mix in sealed pouch (Store at 20-25C). The contents of 1 pouch dissolved in 1 L of deionized water yields:0.050 M Tris Buffer pH 7.4 @ 25C,0.150 M NaCI.For use as dilution buffer for standards, samples, and blank in USP method for Anti-FXa and Anti-FIIa activity assays for Low Molecular Weight Heparin (LMWH). USP = United States Pharmacopeia. For use as dilution buffer for standards, samples, and blank in USP method for Anti-Fxa and Anti-Flla activity assays for LMWH. Available online.