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pH Measurement

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NMIM has developed pH buffer for the calibration of commercial pH meter at pH 4.01 and pH 6.86. The reference values are established by using glass electrode (High Accurate pH Meter System, PHL 90). Series of standard solutions ranging from pH 1.68 to pH 14.01 are under development and will be available for the calibration of various types of pH meters in 2016. With the list of pH standard solutions, NMIM is able to provide traceability for the calibration of pH meters.

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pH Buffer solutions available:

1.pH 4.01 at 250C
2.pH 6.86 at 250C
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pH Buffer produced in Chemistry Section

Traceability for pH measurement