Cleaning Glass Slides for Silane Coating
Q. I am developing a new cleaning process to replace the process we are using for cleaning glass slides before applying Silane coating. We are using strong acid to clean glass slides. I want to use a process where I first use basic aqueous solution, then use DI water to rinse, followed by acidic solution to chelate away metal ions. Then we’ll do DI water rinse, air dry, and finally use oxygen plasma to final clean the glass slide. What acidic aqueous solution and basic aqueous solution can you suggest?
Cleaning Stainless Steel Weldments
Q. We need recommendations for cleaning stainless steel weldments. A Walter weld cleaning machine is being used. We have tried using Luminox® but sometimes it does not produce satisfactory results.
A. Luminox® is a very light duty cleaner used to remove light oils and tiny particulates from delicate substrates. Generally, stainless steel is not considered a delicate substrate. In this case…
Degreasing Aluminum with Alconox, Inc. Cleaners
Cleaning aluminum that is unpassivated or freshly cut, abraded, polished, turned or drilled will require different procedures than aluminum that has been allowed to form a passive layer. Read more…
Cleaning Maple Sap Lines
Q: What do you recommend to pressure flush clean our maple sap lines? A: We would recommend using a 1% solution of Citranox® Liquid Acid Cleaner and Detergent (1.25 oz/gal or 10 mL/L) to pressure flush your maple sap lines. …
Cleaning Copper Optical Molds
Q. The ammonia-peroxide solution (also known as Standard Clean 1 or SC1) is a very effective cleaner on our nickel optical molds, but we cannot use that cleaner on our new copper optical molds. The SC1 solution is very corrosive to copper. So we would like to find another cleaner that we could use for both copper and nickel parts. We are mostly removing machining fluid and particulates. Our parts have a very tight spec on particulates. We need to have essentially no particulates greater than 10 um, and this is inspected with a microscope. Obviously, the ammonia-peroxide solution is moderately dangerous to work with, and disposal is expensive. We go through at least 55 gallons per month of the ammonia-peroxide solution, it is quite a hassle.