Sell 3 PACKS PH BUFFER FOR PH METER CALIBRATION best price

PH BUFFER POWDER FOR CALIBRATING PORTABLE DIGITAL PH METER 3 in 1 SET 1 set includes: 1x PH 4.00 1x PH 6.86 1x PH 9.18 1 pack is to 250 ml water TO MAKE BUFFER SOLUTION: Dissolve each packet in 250 ml of distilled water in different containers pH buffer is an aqueous solution consisting of a mixture of a weak acid and its conjugate base, or vice versa. Its pH changes very 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. #phbuffer #buffersolution