3 determination without blank value subtraction, Determination without blank value subtraction – Metrohm 832 KF Thermoprep User Manual

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4.5 Working procedure

832 KF Thermoprep, Operation

19

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 <ENTER>.

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 <START> 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 <START> 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 <ENTER>.

8. After the determination wait for post-conditioning to be completed

and, if necessary, carry out further determinations.


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