WHAT IS A pH BUFFER SOLUTION?
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pH matters. Whether you're working with food, beverages, water or laboratory processes, knowing the pH of a product can be an important part of quality control.
A pH buffer solution provides a known pH reference that can be used when checking pH measurement equipment and processes.
Two commonly used reference points are:
The supplied product information identifies the solutions as clear red liquid for pH 4.00 and clear yellow liquid for pH 7.00, with the stated pH measured at 20°C.
Why does this matter?
A reliable pH reading starts with having a reliable reference.
Using suitable buffer solutions can form part of a routine pH-checking process, helping users work confidently with their pH measurement equipment.
Simple, recognisable and practical – pH buffers are an important part of everyday pH measurement.
