Introduction and Initial Operation
Page 22
User Manual Micro-GC
Varian, Inc.
INITIAL OPERATION
A test method has been provided. This method has been designed to determine if the
instrument is functioning properly and comes together with test chromatograms on
which the test conditions are stated.
If you ordered a Molsieve column, make sure it is conditioned before use.
See
for parameters.
INITIAL RUN
SETTING UP THE TEST METHOD
To enter the method parameters, refer to the method set-up portion
of the data-handling
package manual.
Send the instrument parameters from the data-handling package software to the Micro-
GC. You can watch the Micro-GC status in the instrument status tab.
INJECTING THE SAMPLE
N
2
0.77
%
Nitrogen
CH
4
89
%
Methane
C
2
H
6
8
%
Ethane
C
3
H
8
1
%
Propane
IC
4
H
10
0.14
%
Isobutane
NC
4
H
10
0.2
% N-butane
IC
5
H
12
0.007
%
Isopentane
NC
5
H
12
0.001
% N-pentane
Connect the sample by means of a 1/16" line
to the Micro-GC. You are advised to put an
external 5
m filter between the sample and
the Micro-GC for additional filtering (see
for more details).
Following are a few results on commonly
used columns. CP-Sil 5 CB and CP-Sil 19
CB, HayeSep A and Molsieve. The sample is
natural gas, which provides a convenient
standard for testing the instrument in any
configuration of these columns.
Summary of Contents for Micro-GC 490-GC
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