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Acid-Free Finish for Brass

Question: I am looking for a finish to apply to brass so it will not tarnish, but the finish must be acid free.

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Aqueous Cleaning Basics

Four factors affect the cleaning process: chemistry; temperature; energy; and time. The various combinations determine how clean your part will be. This article reviews the basics of each type of cleaning to help you determine what will work best for you...

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Automated Titrations

Question: Our plating shop operation has approximately 35 different baths that require chemical monitoring on an on-going basis.

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Cleaning Solvent-Laden Towels

Question: We generate a large quantity of solvent-laden towels in our solvent cleaning and maintenance activities.

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AgCn Recovery

Question: What is state of the art for "treatment" of silver cyanide rinse waters?

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Classification of Flashpoints

Question: I found your discussion in the April 2001 issue informative as always.

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Avoid Painting the Conveyor II

Question: With reference to your letter in the October issue, I have a comment regarding overspray on racks, etc.

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Alkalinity Loss in Cleaning Stage of Washer

Question: We are experiencing significant drops in the alkalinity of our first stage cleaning bath in a seven-stage pretreatment line.

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Chromate vs. Phosphate

Question: I know iron phosphate works great on steel, but it is not as effective on aluminum.

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Chromium Plating Bath Purification Revisited

Question: What are some of the ways to maintain the purity of a hexavalent chromium plating bath?

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Pretreatment Washer and Finishing Equipment
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