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Cleaning Chemistry – Water-Based Chemistry – Caustic
Acidic cleaning chemistries were discussed in a preceding blog. Now let’s talk about the second of the three classifications of chemistry we defined – caustics. Caustics are materials that are basic as opposed to acidic in nature. The use of … Continue reading
Ultrasonics – Cleaning Orifices with Ultrasonics
A few days ago, one of our customers asked one of our sales people what would seem like a very simple question. The question, in paraphrase, was – - ”Do you know the relationship between ultrasonic frequency and the ability of … Continue reading
Cleaning Chemistry – Introduction – Solvents
It doesn’t matter if you call it soap, solvent, surface preparation, or whatever, chemistry is an important part of nearly every cleaning process. The first purpose of the chemistry in a cleaning application is to either dissolve the contaminant or, … Continue reading
Blog Changes – Login to Comment
First of all, I would like to thank those of you have become “regulars” to the blog. Having written over 165 “informational” entries now, I am anxious to lift the blog to another level including reader discussions. Reader comments have … Continue reading
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Flammability and Ultrasonics
If you have worked around ultrasonic cleaning systems, you may have noticed that most of them are plastered with stickers warning against the use of flammable materials as cleaning agents. To those who are not familiar with various ultrasonic phenomena, … Continue reading
The More Things Change . . .
Deep in a file drawer in my office on a couple of pieces of paper yellowed by time is an article that, written and published in 1954, is a literal snapshot of the notion and perceived traits of an engineer over … Continue reading
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Still Learning and How to Still Learn
As some of you may have noticed, the illustrations in Monday’s (30 April, 2012) were incorrect. For those of you who didn’t notice, that’s OK – because I didn’t either. It is interesting how much more thoroughly you understand something … Continue reading
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Words we (I) should know and pronounce correctly!
This blog wasn’t meant to be a April Fool’s day piece but the more I look at it, it might suffice. Sorry it’s a couple of weeks late! For most engineers, words are usually a more or less “get-R-done” proposition. As … Continue reading
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OOPS!
Well, sometimes stuff happens! As I was checking the blog today I discovered that the wrong sound clip somehow wormed its way into yesterday’s blog Sounds of Silence – Pulse Period and Duration I have made the appropriate correction and … Continue reading
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