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Metrohm 757 VA Computrace User Manual

Page 84

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5 Determination mode

757 VA Computrace – Software

74

Remark2 [ 0...68 characters ; ]

Remark 2 regarding the method.

Calibration [ see below ; Standard addition manual ]

Selection of calibration mode (see also section
5.7
):

Standard addition

Standard addition. The number of additions is
defined in the

Determination

tab, the standard

addition solutions are defined in the

Substances

tab, and the Dosimats are defined in the

DOSIMATS

window.

Sample with calibration curve

Sample determination using previously recorded
calibration curves. The determination with the re-
corded calibration curves must be defined in the

Determination

tab.

Record calibration curve

Recording of calibration curves. The number of
additions is defined in the

Determination

tab, the

addition solutions are defined in the

Substances

tab, and the Dosimats are defined in the

DOSIMATS

window.

Addition [ Manual, Automatic ; Manual ]

Selection of manual or automatic standard addi-
tion or recording of calibration curves:

Manual

Manual standard addition or recording of calibra-
tion curves using a pipette.

Automatic

Automatic standard addition or recording of ca-
libration curves using one or several Dosimats.

Technique [ see below ; Batch ]

Selection of measurement technique:

Batch

Measurement without solution exchange.

Batch with solution exchange

Measurement with solution exchange for every
addition or calibration level.

Taken from calibration curve

This option is used automatically if

Sample with

calibration curve

is selected.

Mode

Selection of VA measurement mode (see VA
measurement modes
, section 3.2).

Electrode

Selection of electrode (see Electrodes, section
3.1
).