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Metrohm 746 VA Trace Analyzer User Manual

Page 111

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4 Introduction to the operation

746 VA Trace Analyzer / 747 VA Stand

4-26

2

Switch to dialog page "RESULTS/Evaluation"

Press the softkey

. The dialog page "RESULTS" with the sub-

page "Evaluations" appears showing an overview of the substance and

peak evaluations of the determination loaded in the working storage:

Method : TESTPb RESULTS

Determ.: 03201614 Evaluations

Substance : Pb Comments

Mass conc.: 1.032 g/L Mass : 103.2 ug ––––––––––––––––––

MC.dev. : 0.011 g/L (1.05%) Add.mass : 100 ug

Cal.dev. : - V0.sample: 100 uL

VR U/mV I/nA I.mean Std.dev. I.delta Comments

––– ––––– –––––– –––––– ––––––– ––––––– ––––––––––––––––––

00 -355 -195.9 -194.7 1.569

01 -355 -195.3

02 -355 -192.9

10 -356 -385.2 -385.5 0.4942 -190.8

11 -356 -386.1

12 -356 -385.3

20 -357 -568.1 -568.5 1.968 -182.9

21 -357 -566.7

22 -357 -570.6

Select

subst.

Suspend/

activate

New

calcul.

>>

Calcul.

>>

Calibr.

You will find a brief explanation of the result data shown here in the

description of the full report in section 4.2.6.

On this subpage you have the possibility to ignore undesired peak

results (e.g. spikes) for subsequent calculations. Proceed as follows:

Use the cursor keys to select the desired result by its VR num-

ber.

Press the softkey

. In addition to the VR

number, the marking

!

appears to show that this peak result will

be ignored in subsequent calculations (this marking can also be

canceled using the same softkey).

Press the softkey

. This initiates a new calculation

whose effects on the substance evaluation are immediately ap-

parent on this page.

3

Switch to dialog page "RESULTS/Calibration"

Press the softkey

. The dialog page "RESULTS" with the

subpage "Calibration" appears showing the results of the substance cali-

brations: