DuraCal ORP Buffers
Hamilton ORP buffers provide accuracy of ±5 mV with stability up to 2 years after date of manufacture. The 500 ml bottle design uses Hamilton's unique calibration compartment which helps avoid cross contamination and only uses approximately 15 ml of solution.
Resources
Hamilton's knowledge base provides a range of explanatory articles, frequently asked questions, and document downloads.
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Catalog - Laboratory Electrodes
Complete overview of our pH and ORP electrodes for laboratories. -
Brochure - BioPharma
Innovative solutions for process analytics in biotechnological and pharmaceutical industries. -
Brochure - Brewery
Learn about our control and analytical solutions that are essential to the brewing process.
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How do I clean an ORP sensor?
The platinum band around the tip of the ORP sensor can oxidize over time. Light scrubbing with a mild abrasive such as toothpaste will remove the oxidization. Rinse with potable water and store in storage solution prior to usage -
What is the difference between ORP and Redox?
They are the same. Redox is a shortened word for “Reduction Potential”. ORP is shortened for “Oxidation Reduction Potential”. The sensor and measurement is the same. -
What is ORP and why would I want to use it?
ORP is a measurement of the overall level of oxidizing or reducing substances present in the liquid. ORP is expresses as a millivolt (mV) signal. Positive voltage indicates an excess of oxidizing agents in the liquid. Conversely, negative voltage indicates an excess of reducing agents in the liquid. ORP is not specific to a single ion within the liquid but is often used to measure the status of a chemical reaction.
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ORP Calibration Basics
This article discusses the basic design of ORP sensors and the need for proper calibration procedures. -
Common ORP Applications
ORP (redox) is often mentioned frequently alongside pH measurement. This paper looks as some of the more diverse applications for ORP including wine-making, mining, and water treatment.
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