For 20% nitric acid containing a small amount of organic matter, at around 50°C, what materials should be used for the equipment and pipes? ? Urgent! Urgent! Urgent! !
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For 20% nitric acid containing a small amount of organic matter, at around 50°C, what materials should be used for the equipment and pipes? ? Urgent! Urgent! Urgent! !
Steel-lined PTFE equipment and pipelines can
Is it possible to use 304L material? I also want to ask: what fire hazard category is assigned to nitric acid at this concentration? ? ?
Theoretically, 304L should be fine when exposed to 20% dilute nitric acid at 50°C. I’m not sure what your organic compound is; of course, I don’t trust the 304 steel available on the market. The regulations specify that the storage of nitric acid is classified as Category B, without specifying the concentration