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Correct way to make 5% solution of sodium sesquicarbonate for Bronze Disease treatment.
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<p>[QUOTE="Theodosius, post: 3292692, member: 77077"][USER=56859]@TIF[/USER] The issue with making your own sodium sesquicarbonate from baking soda and washing soda is that the amount of water absorbed by the commercial washing soda is hard to determine. Follow the link in my first post and they explain it. I think for practical purposes you can make it as your directions from Forum list, it just may be slightly different in strength than 5%. The reference in the link also cautions against boiling as it increases the chance it will affect the patina.</p><p><br /></p><p>Some of the coins I decided to treat this way had BD that resisted six months of continuous treatment with Verdicare (a great product for surface BD treatment). After one week of cold soaking in sodium sesquicarbonate their patina is starting to rub off a little, but the BD seems to be reduced.</p><p><br /></p><p>John[/QUOTE]</p><p><br /></p>
[QUOTE="Theodosius, post: 3292692, member: 77077"][USER=56859]@TIF[/USER] The issue with making your own sodium sesquicarbonate from baking soda and washing soda is that the amount of water absorbed by the commercial washing soda is hard to determine. Follow the link in my first post and they explain it. I think for practical purposes you can make it as your directions from Forum list, it just may be slightly different in strength than 5%. The reference in the link also cautions against boiling as it increases the chance it will affect the patina. Some of the coins I decided to treat this way had BD that resisted six months of continuous treatment with Verdicare (a great product for surface BD treatment). After one week of cold soaking in sodium sesquicarbonate their patina is starting to rub off a little, but the BD seems to be reduced. John[/QUOTE]
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Correct way to make 5% solution of sodium sesquicarbonate for Bronze Disease treatment.
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