WTW Buffer Solution

Standard pH buffers by WTW, precise and cost effecient, they come in two bulk sizes of 250 ml or 1 liter with built-in dosing vessel. Product life up to 3 years, they allow for easy handling by means of dosing device. 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.