Ready-to-use CRM Sachets

Ready-to-use buffer solutions, packed in practical small quantities in sealed sachets. All Certipur® buffer sachets are produced under ISO/IEC 17025 and ISO 17034 and are traceable to standard reference materials from NIST and PTB (NMI Germany). They are analyzed in our own independent accredited calibration laboratory with a combinded glass electrode and 5-point calibration according to DIN 19268 using reference material for the preparation of standard buffer solutions according to DIN 19266.