[Jacob-list] cleaning dirty fleece

[Linda]

Well, the piece of hay I put in a jar of vinegar to see what would happen is definitely still intact :-).  Come to think of it, my herbal vinegars still have sprigs of rosemary. Thanks for the clarification.

Linda
 
www.patchworkfibers.com
Registered Jacob Sheep, Angora Rabbits, Handspun Yarn

On Wed, 08 Mar 2006 18:16:30 -0500, Tom and Judy Riddolls wrote:
> hello all,
> i have to comment on the acid comment.  This is simply not the
> case. Vinegar or even full strength acetic acid which will eat
> through your skin will not harm cellulose.  Yes, sulphuric acid
> will - but we are talking orders of magnitude differences in
> strength.  You could soak a piece of grass for a month in vinegar
> and nothing would happen.  I guess this may come across as harsh,
> not at all.  I am a material scientist and an educator and too
> often I come across common sense that falls a bit short of the
> mark, so I had to speak up.  What may be happening is the vinegar
> is relaxing the proteins in the cuticle of the wool, releasing
> their grip on the bits.
>
> Tom at grey wethers farm
>
>> From: Shawn Hoefer <shawnhoefer at yahoo.com>
>> To: jacob-list at jacobsheep.com
>> Subject: Re: [Jacob-list] cleaning dirty fleece
>> Date: Mon, 6 Mar 2006 16:48:48 -0800 (PST)
>>
>> VM is cellulose. Vinegar is an acid. Acids will eat cellulose. In
>> commercial processing, they use
>> sulfuric acids and then carbonize the wool in low temp ovens to
>> turn the partially eaten VM to ash.
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