Metrohm 832 KF Thermoprep - Manual (Page 23)

4.5 Working procedure
832 KF Thermoprep, Operation
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5. Raise the needle fully and remove the blank sample vial from the
oven with the crimping pliers.
6. Insert the sealed sample vial in the oven using the crimping pliers.
7. Lower the needle until it reaches the stop. Enter the sample size at
the coulometer and confirm it with .
8. After the determination wait for post-conditioning to be completed
and, if necessary, carry out further determinations.
4.5.3 Determination without blank value subtraction
Sample determination
1. Load a method for a sample determination into the coulometer. The
result calculation must not contain any blank value subtraction. Set
the extraction time to 300 s. 'Value' must be entered under
'>Preselection' | 'Request sample size'.
2. Start conditioning the coulometer (with the key).
3. Wait until the set temperature has been reached and the coulometer
cell is conditioned.
4. Start the determination at the coulometer with the key.
5. Raise the needle fully and remove the conditioning vial from the
oven with the crimping pliers.
6. Insert the sealed sample vial) in the oven using the crimping pliers.
7. Lower the needle until it reaches the stop. Enter the sample size at
the coulometer and confirm it with .
8. After the determination wait for post-conditioning to be completed
and, if necessary, carry out further determinations.