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<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=609500318-28102003>What
quality of water is recommended/regulated for anatomic and clinical pathology
labs?</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=609500318-28102003><EM><FONT face=Arial color=#0000ff size=1>Ronnie
Houston</FONT> <BR><FONT face=Arial color=#0000ff size=1>Regional Histology
Operations Manager</FONT> <BR><FONT face=Arial color=#0000ff size=1>Bon Secours
HealthPartners Laboratories</FONT> <BR><FONT face=Arial color=#0000ff
size=1>5801 Bremo Road</FONT> <BR><FONT face=Arial color=#0000ff
size=1>Richmond, VA 23226</FONT> <BR><FONT face=Arial color=#0000ff size=1>(804)
287 7972</FONT> <BR><FONT face=Arial color=#0000ff
size=1>ronnie_houston@bshsi.com</FONT></EM> </DIV></SPAN></FONT>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B> Morken, Tim - Labvision
[mailto:tpmorken@labvision.com]<BR><B>Sent:</B> Tuesday, October 28, 2003
12:53 PM<BR><B>To:</B> 'JCarpenter764@aol.com';
histonet@lists.utsouthwestern.edu<BR><B>Subject:</B> RE: [Histonet] Dionized
vs distilled water<BR><BR></FONT></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Distilled water is
classically produced by heating water to evaporation and subsequent condensing
on a cold surface. In the process most impurities are either evaporated off
ahead of the water (in the case of most organics), or left behind (in the case
of minerals). The water is also effectively <SPAN
class=SpellE>deionized</SPAN> because the salts are left behind. It is fairly
pure water. To get very pure water it needs to be re-distilled several
times.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><SPAN class=SpellE><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Deionized</SPAN></FONT></SPAN><FONT
face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"> water is classically
passed through a salt bed or ionized resin bed that captures the mineral ions
(<SPAN class=SpellE>ie</SPAN>, a "water softener"). The water is not
necessarily pure, however, especially in regards to organic chemicals. Reverse
osmosis is also used now days to <SPAN class=SpellE>deionize</SPAN>
water.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">High quality water
systems these days are some combination of filters, distillation, <SPAN
class=SpellE>deionizing</SPAN> resins and reverse osmosis.
<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoAutoSig><FONT face="Courier New" color=navy size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: navy; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">Tim
Morken<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Tahoma size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Original
Message-----<BR><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B>
JCarpenter764@aol.com [mailto:JCarpenter764@aol.com<SPAN class=GramE>]
<BR><B><SPAN style="FONT-WEIGHT: bold">Sent</SPAN></B></SPAN><B><SPAN
style="FONT-WEIGHT: bold">:</SPAN></B> </SPAN></FONT><st1:date Year="2003"
Day="28" Month="10"><FONT face=Tahoma size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">Tuesday, October 28,
2003</SPAN></FONT></st1:date><FONT face=Tahoma size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> </SPAN></FONT><st1:time
Minute="45" Hour="7"><FONT face=Tahoma size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">7:45
AM</SPAN></FONT></st1:time><FONT face=Tahoma size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"><BR><B><SPAN
style="FONT-WEIGHT: bold">To:</SPAN></B>
histonet@lists.utsouthwestern.edu<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> [Histonet] (no
subject)</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">while studying for my exam on the
different fixatives and there ingredients....i have noticed that some call for
distilled water and some use the term deionized water. Is there a
difference?<o:p></o:p></SPAN></FONT></P></DIV></BLOCKQUOTE></BODY></HTML>
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