Laboratory Cleaning – Quartz Tubing

Q. The highest purity is needed for metal alloy crystal growth in quartz ampoules. Quartz tubing will be purchased new, but we want to make sure it’s as clean as possible for our experiments.

A. For the cleanest possible quartz we recommend an alkaline detergent followed by an acid detergent. The alkaline detergent removes organic hydrophobic residues and leaves the surface available to the acid detergent to remove any remaining acid labile residues. We recommend first cleaning with warm or hot 1% Alconox® Powdered Precision Cleaner or Liquinox® Critical Cleaning Liquid Detergent followed by a cursory rinse and then warm or hot 2% Citranox® Liquid Acid Cleaner and Detergent followed by a very thorough deionized or RO rinse.

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