1 Filtre - syringe filter, Nylon 66, 0.2mm, 13 mm 729248 100 buc 2 Macherey Nagel 322.81 645.62 Syringe filters, labeled, CHROMAFIL Xtra PA, 13 mm, 0.2 µm 2 EC HPLC column (analytical), NUCLEOSIL 120-3 C18, 3 µm, 250x4 mm 720055.40 buc 1 Macherey Nagel 1620.39 1620.39 EC HPLC column (analytical), NUCLEOSIL 120-3 C18, 3 µm, 250x4 mm 3 L-Ascorbic acid, reagent grade, A0278-500G (Bioaqua), 1 flacon de 500g 20150.231 500 g 1 VWR Chemicals 111.87 111.87 L(+)-Ascorbic acid 99.0-100.5%, AnalaR NORMAPUR® analytical reagent 4 Metanol HPLC, flacon de 2,5L 34885-2.5L 2.5 l Honeywell 66.33 Methanol CHROMASOLV™, gradient grade, for HPLC, ≥99.9% 5 Clarithromycin, PHR1038-500MG PHR1038-500MG 500 mg 1 Sigma Aldrich 355.68 355.68 Clarithromycin Pharmaceutical Secondary Standard; Certified Reference Material