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English Translations » 信息处理 » Please help with the content analysis method of tannin extra

Please help with the content analysis method of tannin extract! Made using the titration method!

2009-11-07View Original

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Everyone! Please help with the content analysis method of tannin extract! Made using the titration method! We then use tannin + 888 for desulfurization. Due to the influence of color, the spectrophotometry is not accurate.
Reply #22009-11-07
Tannin extract only removes hydrogen sulfide and carbon dioxide. It seems to be the distillation method used.: Weigh a certain amount of tannin extract and evaporate it to dryness in an evaporating dish. Use the mass difference to calculate the tannin extract concentration.

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Translated at 2026-07-26 18:03:27

Original: https://bbs.hcbbs.com/thread-568757-1-1.html

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