Keeping specimens in a cyanide jar for too long results in yellow turning into orange and red...<br><br>Paul<br><br><div class="gmail_quote">On 16 June 2010 16:02, Andrew Whittington <span dir="ltr"><<a href="mailto:awhittington@btopenworld.com">awhittington@btopenworld.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div style="word-wrap: break-word;">while cyanide keeps yellows fresh (but few people use cyanide these days). <br>
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