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<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN style="FONT-SIZE: 11pt">Hi
Najeh,<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN style="FONT-SIZE: 11pt">I
don’t have much experience with Orbi, but the guys who use <SPAN
class=123302917-20042010>it </SPAN>in our group says that you can get mass
accuracy easily up to 2-3ppm. Now you can buy a lower grade of OrbiTrap for much
less price. They say resolution of it is <SPAN
class=123302917-20042010>about </SPAN>20,000-50,000 vs 100,000 for the top of
the line one. <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN style="FONT-SIZE: 11pt">I
know you are very familiar with Xcalibur, like Chang said I like MasLynx and
MasLynx is much more interactive than Xcalibur.<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN style="FONT-SIZE: 11pt">We
have Synapt G2 I think it is little cheaper than new Orbi. Mass accuracy is same
with the lock mass you get <5ppm. Advantage with G2 you can have different
sources like APPI, MALDI with it and the IMS capability.</SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 11pt"><SPAN class=123302917-20042010>we have one of those
Agilent QTof but newer software (Masshunter) is terrible not like old
ChemStation.</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 11pt"><o:p><SPAN
class=123302917-20042010>Kithsiri</SPAN></o:p></SPAN></P></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> massspecgroup-bounces@lists.stevens.edu
[mailto:massspecgroup-bounces@lists.stevens.edu] <B>On Behalf Of </B>Kharbatia,
Najeh<BR><B>Sent:</B> Monday, April 19, 2010 8:16 PM<BR><B>To:</B> Dept. of
Chemistry and Chemical Biology - Dr. Attygalle's Mass Spectrometry Discussion
Group<BR><B>Subject:</B> [MassSpecGroup] Orbitrab VS QTOF<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Hi
All,<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">The
company I work for is planning to purchase new MS instruments. I would
appreciate the comment from somebody familiar with both instruments from
operational and capability point view and ease of trouble shoot and maintenance.
Think about disadvantages and the advantages of both
instruments.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">I
am just trying to help my colleague at the company making informative decision
by listening to the true users of both instruments<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Thank
you for your help<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><I><SPAN
style="FONT-SIZE: 10pt; COLOR: #1f497d; FONT-FAMILY: 'Verdana','sans-serif'">Najeh
Kharbatia
</SPAN></I><SPAN style="COLOR: #1f497d"><o:p></o:p></SPAN></P>
<P class=MsoNormal><I><SPAN
style="FONT-SIZE: 10pt; COLOR: #1f497d; FONT-FAMILY: 'Verdana','sans-serif'">Senior
Staff Chemist</SPAN></I><SPAN style="COLOR: #1f497d"><o:p></o:p></SPAN></P>
<P class=MsoNormal><I><SPAN
style="FONT-SIZE: 10pt; COLOR: #1f497d; FONT-FAMILY: 'Verdana','sans-serif'">Analytical
Department</SPAN></I><SPAN style="COLOR: #1f497d"><o:p></o:p></SPAN></P>
<P class=MsoNormal><I><SPAN
style="FONT-SIZE: 10pt; COLOR: #1f497d; FONT-FAMILY: 'Verdana','sans-serif'">ISP-Wayne,
NJ</SPAN></I><SPAN style="COLOR: #1f497d"><o:p></o:p></SPAN></P>
<P class=MsoNormal><I><SPAN
style="FONT-SIZE: 10pt; COLOR: #1f497d; FONT-FAMILY: WST_Swed"><A
href="mailto:NKharbatia@Ispcorp.com">NKharbatia@Ispcorp.com</A></SPAN></I><SPAN
style="COLOR: #1f497d"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="COLOR: #1f497d"> </SPAN><o:p></o:p></P></DIV><!-- Begin Ninja Disclaimer ID d5a91a36-33e4-4f4c-8149-d6dd03c8f0b9 -->
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</STRONG></SPAN>
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