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Thursday, May 07, 2009 Cleaning Quartz Tubing Question: I need to clean small quartz tubing (I.D. = .035" O.D. = .069") that is sealed at one end. Answer: Alconox, Inc recommends Liquinox, a mild alkaline cleaner that is phosphate free. Since the ID is a little less than 1 mm, rinsing will be a bit tricky. The ideal cleaning scenario would be to use a syringe inserted up into the end of the tube, first flushing with warm 1% Liquinox, followed by adequate amounts of rinsing with DI water. If this is not practical, as long as the tube is not too long (less than 6 mm) then if soaked upright in ultrasonics, would probably work but an adequate rinse must be carried out as well using the ultrasonic tank. Click here for Liquinox technical bulletin. (Cleaning Quartz Tubing)

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