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Conserving With Olive Oil Failure - Before And After

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Bedrock of the Community
United States
20753 Posts
 Posted 09/04/2012  8:56 pm  Show Profile   Bookmark this reply Add just carl to your friends list Get a Link to this Reply

Quote:
The label states that the acidity is 0.03%
Vinegar runs 3%.

Sometimes a label is not that accurate. Many times if you contact the company that makes a product and request specific information as to consistancy of any of their products, you usually will hear that info is proprietary. This means although the lable may say one thing, allowances in production systems could acoount for extensive variations as long as not dangerous.
As an example even in products like Dry Wall Plaster Board, the ingrediants vary so much, it is almost impossible to say Plaster board. Only an example.
Bedrock of the Community
BadThad's Avatar
United States
19964 Posts
 Posted 09/05/2012  10:53 am  Show Profile   Bookmark this reply Add BadThad to your friends list Get a Link to this Reply

Quote:
What I'm trying to illustrate here is while olive oil might be the popular solution to 'preserve' copper coins with verdigris, it's not the silver bullet to all problem coins.


It's not the silver bullet for ANY coin conservation. There are a lot of other methods that are vastly superior and that will not permanently damage the surfaces like olive oil will. Anything acidic is BAD for coins, end of story.
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jbuck's Avatar
United States
189340 Posts
 Posted 09/05/2012  11:19 am  Show Profile   Bookmark this reply Add jbuck to your friends list Get a Link to this Reply

Quote:
It's not the silver bullet for ANY coin conservation. There are a lot of other methods that are vastly superior and that will not permanently damage the surfaces like olive oil will. Anything acidic is BAD for coins, end of story.
Worth repeating.
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