pH Calibration buffer
A pH meter can only be accurate if it has been calibrated. This needs to be done daily if highly accurate results are required and the environment varies, or weekly if conditions are less demanding.
|APH10||pH Calibration buffer||10||500mL||2 weeks||AU $28.00|
|APH4||pH Calibration buffer||4.01||500mL||Only 2||AU $27.00|
|APH7||pH Calibration buffer||7||500mL||2 weeks||AU $28.00|