Letter 42002

Analysis methods for mixture of hydrochloric acid and sulfuric acid  

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Hi, I'm Yani from Indonesia.

I have a problem how to analysis hyidrochloric acid in mixture of hydrochloric acid and sulfuric acid.
Can i analyse it with titration method? In my experience, the result of titration use sodium hydroxide will have a higher hidrochloric acid concentration than the industrial standard (the main analysis is percentage of hidrochloric acid). The industrial standard for hidrochloric acid in Indonesia is 30 to 33 %. I think it caused by presence of sulfuric acid on solution (there's barium sulphate precipitation when reacted ˆ with barium chloride).

Could u tell me about the right analysis methods for my problem?

Thanks alot,

Yani Damayanti
PT ANTAM, Tbk - UBPE Pongkor - Bogor, Indonesia

How can I detrmine HCl in presence of H2SO4.

Rabeay
- Egypt

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