【Daily Question】Chemical Analysis Edition, 2021.7.23
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The detergent that cannot be used for washing the glassware used in measuring sulfur dioxide in exhaust gases is A. Chromic acid solution； B、Sodium hydroxide solution ； C. Alcohol ； D. Hydrochloric acid wash solution. A
It’s probably because of the concentrated sulfuric acid in the cleaning solution Afraid of sulfur interference? A
I guess once these glass items are exposed to sulfuric acid, they can never be cleaned properly again; P:lol Once in contact with the cleaning solution, these items lose their integrity and become suspect. ;P