5 Maintenance
5-33
5.12 Replacing recalibration samples
When the recalibration sample gets deteriorated and analysis cannot be performed,
replace it with a new one following the procedure described below.
1 Select Inf. - Analytical Inf. and open Recalibration Information screen. Then,
print out the recalibration information of the analytical group with which
recalibration samples will be replaced.
2 Carry out the below.
(1) Carry out maintenance of the spark stand. (“5.3 Maintaining the spark stand”)
(2) Clean the condenser lens. (“5.5 Cleaning the condenser lens”)
(3) Adjust the control gap. (“5.6 Adjusting the control gap”)
(4) Replenish the argon gas bubbler with water. (“4.1 Argon gas bubbler”)
(5) Adjust the entrance slit. (“5.8 Manual scanning”)
(6) Carry out waste discharge (“5.10 Waste discharge”) 30 times.
3 Carry out 2-point recalibration analysis using the recalibration sample before
replacement on Recalibration window.
4 If the components of the new recalibration sample are the same as those of the
sample currently used, carry out intensity reference value analysis for the
recalibration on Int. for target window. The reference value is automatically
registered.
5 If the components of the new recalibration sample are different from those of the
sample currently used or the former sample is replaced with a different type of
recalibration sample, analyze the new recalibration sample on Drift Corrected
Intensity Analysis window.
Then, register the name of the new standard sample and the intensity value after
the drift correction obtained through the analysis above in Sample Name and
Target sections respectively Recalibration Information window.
6 Carry out recalibration using the new recalibration sample and check
recalibration coefficients α, β and k. (“4.7 Recalibration”)
If necessary, carry out master curve correction as well. (“4.8 Master curve
recalibration”)
7 Carry out check analysis using the check sample and confirm that the analytical
values are normal (“4.9 Check analysis”)
8 After checking the analytical values, back up the analysis information. (“5.11 File
utility”)
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