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Topic: What is Wood Alkali?  (Read 3202 times)

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Offline Bidagdha_TADIR

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What is Wood Alkali?
« on: March 27, 2014, 08:19:39 AM »
Recently I went to Website of Gillette to learn the history of the company. There it was written that Sumarians used mixture of animal fats and wood alkali as shaving cream.

I like to know what is wood alkali? What is its composition?

Offline Hunter2

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Re: What is Wood Alkali?
« Reply #1 on: March 27, 2014, 09:40:08 AM »
Wood alkali is caustic pottash, obtained by burning wood. Mainly potassiumcarbonate. K2CO3.

Offline Bidagdha_TADIR

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Re: What is Wood Alkali?
« Reply #2 on: March 27, 2014, 05:07:40 PM »
Wood alkali is caustic pottash, obtained by burning wood. Mainly potassiumcarbonate. K2CO3.

I thought caustic potash was KOH. But nevertheless, the answer is what I was looking for. Is it like - wood ash contains both K2CO3 and KOH?

Offline Hunter2

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Re: What is Wood Alkali?
« Reply #3 on: March 27, 2014, 05:31:28 PM »
It contains more carbonate. The carbondioxide from the combustion reacts with hydroxide.

Offline Bidagdha_TADIR

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Re: What is Wood Alkali?
« Reply #4 on: March 27, 2014, 05:41:31 PM »
It contains more carbonate. The carbondioxide from the combustion reacts with hydroxide.
Thanks. Completely clear now.

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