<!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN"> <HTML> <HEAD> <META content=text/html;charset=iso-8859-1 = http-equiv=Content-Type> <META content='"MSHTML 4.72.3110.7"' name=GENERATOR> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT color=#000000 size=2>Hi list!</FONT></DIV> <DIV><FONT color=#000000 size=2></FONT> </DIV> <DIV><FONT color=#000000 size=2>A few days ago, I bleached a set of = one-piece ivories (older Kawai) using the hydrogen peroxide/UV light = technique.  This was a first time for me, and I'm really pleased with the results.  = However, a number of the ivories in the centre section loosened.  I have = always had success using whitened hide glue for ivory work, and decided to reglue = one with the nice looking new ivory head clamp that I got from Schaff (part = #249); I've just used spring clamps in the past.  Anyway, I glued one and = horror of horrors, the ivory is GREEN where it was in contact with the brass head clamp!  </FONT></DIV> <DIV><FONT color=#000000 size=2></FONT> </DIV> <DIV><FONT color=#000000 size=2>Soooo friendly experts, what do I do = now?!  Do you think that this was a reaction between the clamp and the chemical = (I wiped the ivory with a damp cloth first)?  Should I = re-bleach?  HELP, HELP!!</FONT></DIV> <DIV><FONT color=#000000 size=2></FONT> </DIV> <DIV><FONT size=2>Regards,</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>Stephen Powell RPT</FONT></DIV> <DIV><FONT size=2>Auckland, NZ</FONT></DIV></BODY></HTML>