Precipitation of NiS using H2S

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rameshakon
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Precipitation of NiS using H2S

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NiSO4+H2S= NiS+H2SO4 Is it a reversible reaction? If it is not a reversible reaction, Till what level of free H2SO4, and NiSO4 in the solution the reaction is good.
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peter
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Re: Precipitation of NiS using H2S

Post by peter »

rameshakon wrote:NiSO4+H2S= NiS+H2SO4 Is it a reversible reaction? If it is not a reversible reaction, Till what level of free H2SO4, and NiSO4 in the solution the reaction is good.
It is not reversible, however concentrated H2SO4 will oxidize H2S (or NiS).
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