Re:H2O:distilled vs deionized
Richard Morris (	ggn@avignon.pacwan.net)
Wed, 15 January 1997 3:05 AM
I don't know if this helps. Some years ago Ian and Angela Moor were working 
on some cyanotypes. They told me, no doubt amongst many others, that there 
were important differences between purified, de-ionized and distilled 
water. Two bleached the cyanotypes and only one was suitable, at least for 
conservation. They may have published their findings.
I don't know if they are on the list. Is it ethical to give a snail-mail 
address of someone not on the list. Some of you will know them anyway. I 
have it if wanted.
Richard Morris
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