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Friday, August 07, 2009

Title: Standard Operating Procedure (SOP)

Question:
Can Alconox, Inc provide an example of a standard operating procedure for cleaning glassware?

Answer:
The following is an example of a standard operating procedure (SOP) for cleaning a glass substrate:

To clean glass substrates: Make a 1% solution of Alconox detergent (10 g/L) in hot (50 deg C) deionized water in an ultrasonic tank. Remove glass from supplier packaging. Place the glass in a rack and immerse for 5 minutes. Rinse for 1 minute under running deionized water making sure to contact all parts of the glass for at least 10 seconds. Dry for 2 hours in a drying oven with HEPA air filtration. Allow cooling to ambient temperature for 20 minutes in a clean bench before use.

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