Metrohm 917 User Manual

15.5 Method options
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917 Coulometer
Sample size
This parameter can only be edited when Fixed sample size is activated.
Input range –999999999 - 9999999999
Default value 1.0
Unit of sample size.
Selection g | mg | µg | mL | µL | pieces
Default value g
NOTICE
You can also use the parameter Fixed sample size if you would like to
establish a default for the sample size.
Example: For a particular determination, you require 10 mL of sample.
Now and again, however, you have too little sample available and you
must perform the determination with 5 mL, for instance. In this case,
proceed as follows:
1. Activate the parameter Fixed sample size.
2. Define the value and unit for the sample size, in the above exam-
ple, for instance, [10 mL].
3. Deactivate the parameter Fixed sample size again.
4. Save method.
⇨ Each time you load this method, 10 mL is entered as the sample size,
but in the example mentioned you can enter the lesser quantity of 5
mL.
[Sample size limits]
This button is accessible only ifFixed sample size is deactivated.
Define the limit values for the sample size (see "Defining limit values for
the sample size", page 137).
Modifying sample data
This instruction is for the purpose of clarifying the settings which are pos-
sible in this dialog. The following settings should be made:
￭ Change the designation for the input field of the first sample identifica-
tion.
￭ Hide the input field for the second sample identification.
￭ Define a fixed sample size.

Metrohm 917 Specifications

General

Brand	Metrohm
Model	917
Category	Laboratory Equipment
Language	English