Note – The following blog is adapted from a paper recently written by Timothy Piazza, President of Blackstone-NEY ultrasonics and is re-printed here with his permission. This would probably be a good time to mention that guest blogs or suggestions for blog topics are always welcome. My email is jfuchs@ctgclean.com. FJF Blackstone~NEY Ultrasonics – Sweep …
My previous blog addressed the chemical cost of using too much (or perhaps too little) “soap” in a cleaning process based on chemical cost. Today we look at process issues. You might be saying, “What the heck? So I use too much chemical. Soap is cheap and I look at it as “insurance”.” Well, that “insurance” …
I have talked before on the blog about the subject of chemical concentration and its relationship to cleaning. A couple of recent incidents prompt me to re-address the subject of chemical concentration but from a little different angle. It’s a “no-brainer” that cleaning chemicals are expensive and, with the possible exception of heat and labor, …
I have spent considerable time on the blog disclosing and discussing a variety of cleanliness testing methods. A couple of tests that escaped earlier discussion, however, are the “white glove” test and the closely-related “swab” test. These tests are conducted by rubbing or wiping a surface using a white (usually cotton) glove or a cotton …
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