pH meters and electrodes

Welcome to Camlab's comprehensive list of blogs on the subject of pH meters and electrodes. As a leading laboratory supplies company, we understand the importance of pH measurement in a variety of industries, and our range of pH meters, electrodes and pH buffers is designed to meet the needs of professionals across the board. Our blogs cover a range of topics, from the basics of pH measurement to in-depth reviews of our latest products, providing you with invaluable insights and advice to help you achieve accurate and reliable results. So whether you're a seasoned professional or just starting out, Camlab's blogs are here to help you navigate the complex world of pH measurement with confidence.

Hach Portable HQ Meters
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Hach launch new portable HQ meters, replacing HQd and sension+ ranges

Hach have just launched their new HQ meters - a range of robust portable electrochemistry meters ideal for use in the field and beyond. Models are available with up to three input channels and have advanced features that you would not normally find in a portable meter. The HQ range by Hach are robust, portable electrochemistry meters. Features Simple and easy calibration - most measur...
pH of bread dough
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Measuring the pH of bread dough

In the food industry, pH monitoring may be required during the production or pre-production process for a number of reasons including for microbe monitoring and taste purposes. In baking and bread-making there are a number of reasons why you would wish to know the pH - having a low pH in sourdough inhibits growth of pathogenic bacteria and in bread dough pH control agents (preservatives) may be...
Jenway 370 pH meter
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What is the mV mode on my pH meter used for?

[caption id="attachment_2586" align="aligncenter" width="285"] Jenway 370 pH meter[/caption]   Many pH meters also have a separate reading range which gives results in mV. This can be used for a range of applications. 1.) Checking your pH electrode calibration. Most meters automate the calibration of pH which makes it simple to perform and ensures consistency in results. However, when issues ar...
pH in wine
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Why is measuring the pH in wine making important?

Ben studied Oenology and Viticulture at Plumpton college and now with his wife Hannah run Flint Vineyard in the beautiful Norfolk countryside. Throughout the wine production process the pH is tested; from measuring the grapes to decide when they are ready to ...

pH Meter
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What pH meter can I use to test the pH of Sushi Rice?

If not prepared properly there is a potential risk that sushi rice will develop bacteria, parasites, and viruses harmful to human health. One of the aspects that must be measured and controlled in preparation of sushi is the rice pH. If the rice has a pH less than 4.5 this will prevent bacteria growth and toxin production. This pH is lowered by the addition of vinegar and salt.   ...

TRUEscience pH Meter
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Flint Vineyard: a TRUEscience user story

One of the key user frustrations the TRUEscience team came across whilst developing the TRUEscience pH meter was how cluttered it was to have wires going across the lab bench from the meter to electrode and another for the temperature probe. Not only untidy, but you have to hold both of these in the sample at the same time as well as taking a reading on the meter with the other. TRUEscience ...

How to measure pH
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How to measure pH the SMART way: TRUEscience user story

The TRUEscience team have had years of experience in supporting users of traditional pH meters. During this time they saw all the frustrations that people have when using these meters - unclear buttons, difficult interfaces, trouble saving and retrieving results. They wanted to create a new and unique way of measuring pH that makes the test quick and simple while still retaining a high level...

Handheld Heavy Duty pH meter for Food & Dairy
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The importance of testing pH in Dairy Products

Testing pH in milk and dairy products is key to detecting impurities and signs of infection both upon collection of milk at the point of delivery. In the sterilization process, checking the pH is important as the lower the pH the faster the process will be.  However, lower pH values in milk may also indicate that the cattle producing it may carry  an infection. pH Importance in the Cheese Manu...
pH meter
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What to do when your pH meter does not measure pH properly

[caption id="attachment_9145" align="alignright" width="150"] PH Meter[/caption] pH meters are wonderful devices until they go wrong. You are then left with your sample sitting on the bench and in some instances, not knowing what is wrong. The following questions and answers are designed to help you diagnose the problem. My pH meter won't give a fixed reading – is drifting or providing erratic...
pH calibration
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What is a pH calibration?

One of the golden rules to pH measurement is to routinely calibrate your pH meter before measuring any samples. pH buffers have a known pH value, most commonly 4, 7 and 10. Calibration with these buffers gives the meter reference points to use whilst measuring the pH of other samples. https://www.youtube.com/watch?v=0t240gykR_I The TRUEscience SMART cap system uses a bluetooth signal t...

pH of brine
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How do I measure the pH of brine used in canned food testing?

Brine is used in canned foods to inhibit the growth of food poisoning organisms like Clostridium botulinum, the most heat resistant of all pathogens. Clostridium botulinum can flourish in badly prepared canned foods and cause severe illness and even death. The seals on cans provides an oxygen free environment that will allow C.botulinum spores to grow in high acid foods with pH greater than ...
pH electrode
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What is the difference between a single junction and double junction pH electrode?

pH electrodes have many options to choose from;  tip shape, junction type, shaft material and fill solution. A key difference is whether the electrode has a single or double junction. How do electrodes work? Combination electrodes work by having a sensing half-cell (AgCl covered silver wire) and a reference half-cell (Ag/AgCl reference electrode wire), these two components must be joined ...
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