I read this article recently on pH probes recently published through an industry newsletter. It walks through a decision making process used to identify whether a probe is experiencing a minor issue, or no longer working. Do you use a process like this? Do you have your own process for troubleshooting pH probes? I'd like to hear what you use to decide. Post and share, your knowledge can help someone within the industry.
"In simplest terms, turbidity is the optical property that results when light interacts with suspended particles in solution (most commonly water)."
In the first section of this selection from Mike Sadar's article on turbidity, we look at the theory of light scattering and the basics of interference. Come back for the next installment where we talk about eliminating interference.
Sometimes it is good to take a step back and decide if we are asking the right questions. This short clip walks through some of the basics around nitrogen testing. How do you analyze nutrients? Why do you test? Time to take a short break from everything else and look back at the basics. Basic Nutrient Lab Methods.
We love it when technology allows us to bring great things together. This is pretty new. Hach has released a virtual catalog and Mobile App. Available on both iTunes and Google markets, this catalog has robust search capabilities, allows you to access videos and educational content directly from the app, as well as go directly to purchase. We would be interested in hearing about your experience with the app. You can download here:
Its likely you use a pH Electrode frequently. But can you name the five major parts that make up the electrode? Do you know the different diaphragm types? The document below is a great introduction and overview of pH electrodes.