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English Translations » 氯碱技术圈 » Using sodium carbonate crystals:

Using sodium carbonate crystals:

2018-12-01View Original

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A material is reacted at a pH of 2.0 and a temperature of 90°C; after the reaction is complete, the temperature is lowered to 25–30°C, anhydrous sodium carbonate is added to adjust the pH to 4, and crystallization occurs. Why use sodium carbonate crystals?
Reply #22018-12-01
To adjust PH2 to PH4, alkali must be added to neutralize the acid; as for which alkali to use, it depends on the requirements of the reaction products
Reply #32018-12-01
What is the purpose of adding alkali to neutralize acid?
Reply #42018-12-01
Friend, you don’t even know what the manufacturing process is. How can we answer your question when that’s the case?

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Translated at 2026-07-23 11:34:14

Original: https://bbs.hcbbs.com/thread-2175823-1-1.html

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