Buffer pH 7, 1L

Technical buffering solutions for pH 4.01, pH 7.00 and pH 10.01: pH 4.01, pH 7.00 and pH 10.01 are available in the practical 50mL bottles as well as in 1L special bottles with dosing device and pour spout.  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. Every bottle has its own lot reference with the expiration date.