Technical Buffer Solution pH 4.01, WTW™

Descrizione

Technical buffering solutions for pH 2.00, pH 4.01, pH 7.00 and pH 10.01: pH 4.01, pH 7.00. This allows to adapt the bulk sizes easily to individual use. The buffer 10.0 is a special case:It is only still suitable for inoLab™ device of the series level 1, 2, 3, portable meters 3xx as well as for various other old devices. All modern technical buffering solutions are traceable to PTB (Physical Technical Government Agency) or NIST (National Institute of Standards and Technology, USA). Their accuracy is ± 0,03 pH.