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 ...

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 ...

Water quality monitoring with hydrolab MS5

by OTT Hydromet  (May 6, 2010)

Background The Škocjan caves are a unique natural phenomenon located in south western Slovenia and are preserved as the Škocjan Caves Park under UNESCO protection. One of the most famous network of underground caves in the world, they were formed by the flow of the Reka River as it bored tunnels through the region’s limestone geology. The river ...

On-Line Nitrate/Nitrite Probes for BNR Process Control

by Water Environment Federation (WEF)  (Oct. 22, 2006)

ABSTRACTReal time nitrogen monitoring plays an increasingly important role for the successful biological nutrient removal at wastewater treatment plants. Though traditionally dissolved oxygen has been the main process control parameter a greater understanding of the biological mechanisms and process conditions like nitrite/nitrate concentrations ...

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 ...

Unique technology for monitoring piped water

by Intellitect Water Ltd  (Apr. 9, 2010)

INTELLITECT WATER has launched a unique, highly innovative drinking water monitoring technology that will revolutionise the delivery of drinking water. The new technology monitors the quality of water in pipeline distribution networks and for the first time provides reliable data to protect the integrity of the water quality, to enhance customer ...

In-pipe monitors turn dreams into reality

by Intellitect Water Ltd  (Aug. 16, 2012)

In-pipe monitors turn dreams into reality The quality of tap water has improved enormously in recent decades, but for largely technological reasons, until recently, knowledge of water quality between the treatment works and the tap has been an almost impossible dream for water treatment and distribution network managers. In this article, Jo ...

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