Burkert 418540 pH Buffer Solution, 500ml Bottle, 4.01 / 3272876

pH Buffer Solution. A buffer solution is an aqueous solution consisting of a mixture of a weak acid and its conjugate base, or conversely. Its pH changes little when a small amount of strong acid or base is added to it. Buffer solutions are used as a means of keeping pH at a nearly constant value in a wide variety of chemical applications. Features and Benefits. pH solution for setting up and calibration of pH probes. 500ml container. pH 4, pH 7 and pH 10 available