2021/6/8 · rubber septum cap for sale for hplc system Sigma-aijiren 2ml Autosampler Vials 06 08 2021 20/1/2021 · HPLC system (aijiren Technology) with detector module and Hypersil SAX column (5 μm, 4.6 mm × 25 cm) 250- and 500-ml centrifuge bottles Add 50 ml 3% TCA in