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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Alodine contaminating office?

We use an Alodine wash for our aluminum parts, recently we began to see a yellow coating on all of our printers and copiers. We have ruled out powder paint but something is being drawn electro-magnetically to all of our printers, could it be from the Alodine wash?

GREG HUDSON
- EDMOND, OKLAHOMA, U.S.A.
2003

The old saying "anything is possible" is operative here. I tend to doubt it, but might begin to lean that way if you told us this chromate conversion chemical was being sprayed rather than the parts being dipped in it and if you had some reason besides the yellow color to suspect it. I think an air sampling test is strongly indicated because anything present in sufficient degree to coat office equipment could be dangerous to breathe.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2003

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