Aquatrode Plus for highest level water analysis
The pH electrode of choice for a range of applications covering not only drinking water analysis but also field measurements, research and training at universities as well as online pH measurements
The Aquatrode Plus guarantees the highest precision in pH measurement and pH titration, says Metrohm.
The Aquatrode Plus is a combined pH glass electrode that has been specially designed for pH measurements and pH titrations (eg, the determination of the carbonate alkalinity) in ion-deficient, poorly conducting samples such as natural surface waters or deionised water.
It is the pH electrode of choice for a wide range of applications covering not only drinking water analysis but also field measurements, research and training at universities as well as online pH measurements.
Acid and base capacity in water.
The acid capacity of a water sample (KA) is the molar amount of oxonium ions that the water sample can accept before reaching predefined pH values.
It is given in mmol/l.
For the acid capacity to pH8.2 (KA8.2 , previously P value) HCl solution is used to titrate 100ml sample to pH=8.2; for the acid capacity to pH4.3 (KA4.3 , previously M value) the titration is stopped at pH=4.3.
This application and many more can be found in the Metrohm monograph 'Practical Titration', which can be ordered.
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Tel +44 1928 579 600
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Metrohm can provide analytical equipment for the quality control of bioethanol, namely, moisture content, acidity, chloride and sulphur content. -
Aquatrode Plus measures bioethanol to ASTM 6423
Metrohm has introduced the Aquatrode Plus, which uses a combined pH glass electrode with ground-joint diaphragm to measure the pH in organic solvents. -
Ethanol pH measurement using the Aquatrode Plus
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Precision potentiometric measurements
The continually increasing success of Metrohm's Unitrode and Aquatrode Plus in pH measurement shows that the fixed ground joint is the more universal type of diaphragm -
High specification electrode for a budget price
The continually increasing success of the Unitrode and Aquatrode Plus range in pH measurement shows that the fixed ground joint is being recognised as the universal diaphragm type
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