ph probes Articles

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pH Probe Maintenance

by Digital Analysis Corp.  (Jul. 14, 2010)

The success or failure of pH measurement depends on the proper application of the probe and proper subsequent maintenance of the probe. The procedures described within apply to the most common pH probe in use today and that is the flat surface combination pH probe. The most common failure mode associated with pH probes is breakage. The pH ...

Partech Case Study: Effluent Water Quality Monitoring at an Open Case Coal Site

by Partech (Electronics) Ltd.  (Nov. 16, 2015)

Merthyr Tydfil in Wales is home to the massive Ffos-y-fran land reclamation scheme by Millar Argent, where over 10 million tonnes of coal will be extracted in the next fifteen years! So what’s the point of the land reclamation scheme? The purpose is to restore the land to its former principle use and Partech are helping with the discharge ...

pH Electrode Architecture

by Digital Analysis Corp.  (Jul. 14, 2010)

A pH Electrode can be compared to a battery in that an electrical voltage is generated between two points that is a function of water chemistry. In the case of a pH electrode the voltage potential is a function of the acidity or alkalinity of the solution in which it is immersed. Note: The terms pH electrodes and pH probes are often used ...

pH Adjustment - A Primer

by Digital Analysis Corp.  (Jul. 14, 2010)

A brief review of the definition of pH, the pH scale, and some of the chemistry involved in pH Adjustment systems is provided below. For some this may be trivial, yet for many others this may be useful. The information provided below is typical of the background information we provide in our training classes / seminars. By Definition pH is the ...

Monitoring pH and ORP in a SHARON reactor

by IWA Publishing  (Jan. 1, 2011)

This paper analyses the valuable information provided by the on-line measurements of pH and oxidation reduction potential (ORP) in a continuous single high ammonia removal over nitrite (SHARON) reactor. A laboratory-scale SHARON reactor equipped with pH, ORP, electric conductivity and dissolved oxygen (DO) probes has been operated for more than ...

Getting back to basics: What is pH?

by Environmental Services by Daniel L. Theobald  (Feb. 9, 2014)

Getting back to basics: What is pH? The most used measure in wastewater treatment, and for good reasons The “potential of hydrogen” or “pH” is the measure of free hydrogen activity in water and thereby indicative of the measure of its free acidity or free alkalinity. Gauged on a numeric scale of 0-14, solutions with a pH ...

New Guide from METTLER TOLEDO on Increasing pH Sensor Lifetime

by Mettler - Toledo Int. Inc  (Oct. 21, 2015)

Proper care of pH sensors can dramatically increase their lifetime. A new guide from METTLER TOLEDO explains, step-by-step, how Intelligent Sensor Management (ISM®) technology provides maximum lifetime for pH probes. Urdorf, Switzerland – Over time and through use, pH sensors are affected by their measuring environment and require ...

The effects of the ph-influenced structure on the dielectric properties of Kaolinite–water mixtures

by Soil Science Society of America  (Sep. 30, 2008)

The properties of clay–water mixtures are reflected in their wide-frequency dielectric responses that result from different polarization mechanisms. This feature is useful in various soil science applications but has not been systematically investigated. The objective of this study was to characterize the broadband dielectric spectrum of kaolinite ...

What are the key steps in measuring pH? Why do I need to calibrate?

by Camlab Limited  (Feb. 11, 2015)

pH is a useful parameter which is used across all industries for quality control, environmental monitoring, lab work and much more. There are 10 key steps which should be followed to ensure pH measurements using a meter are accurate. pH is a useful parameter which is used across all industries for quality control, environmental monitoring, ...

Can I use two probes of the same type with a Hach HQ40D meter?

by Camlab Limited  (Mar. 4, 2015)

Yes – two probes of the same type can be used with the Hach HQ40D. The Hach HQ40D is a multi meter with ...

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