BlogReference Standards Posted on September 20, 2018September 21, 2018 by Analitik Kimya 20 SepREFERENCE STANDARDSPlease ask for Reference Standards from below organizations!European PharmacopoeiaUnited States PharmacopoeiaBritish PharmacopoeiaJapanese PharmacopoeiaIndian Pharmacopoeia Contact Us COPAN SwabsPVP, Cellulose and Polysorbate Series