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What material should be used for the sight glass on the pipes that deliver acidic substances such as hydrochloric acid and sulfuric acid to the top of the reaction vessel?

2019-06-16View Original

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What material should be used for the sight glass on the pipes that deliver acidic substances such as hydrochloric acid and sulfuric acid to the top of the reaction vessel? Are there fluorine-lined view mirrors?
Reply #22019-06-16
Quartz viewports: Quartz glass is an excellent acid-resistant material. Apart from hydrofluoric acid and phosphoric acid at temperatures above 300°C, acid solutions of any concentration, even up to the boiling point, have very little effect on quartz glass. It can also withstand the attack of neutral substances. Although it does react with alkalis, the reaction rate is relatively slow. Therefore, quartz glass is a good material resistant to chemical erosion.
Reply #32019-06-16
Haha, the viewports probably don’t have fluorine lining; they should be pipes, otherwise how would you be able to see anything?
Reply #42019-06-22
Fluorinated viewports can be used; they are corrosion-resistant
Reply #52019-06-24
Can you still see clearly with a fluorinated lining?
Reply #62019-06-25
I only know that this model was used back then

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