Question #43064
DEAR SIR
in determination H2S in crude oil at first H2S extract with Borax 3% then titrate with IODINE why do not we use NaOH?
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Expert's answer
2014-06-03T04:52:26-0400
The highly basic solution of alkali can cause the oil hydrolysis. The unsaturated oil salt formed in the hydrolysis of oil can interact with the iodine and thus affect the obtained result.

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