Metrohm 746 VA Trace Analyzer User Manual
Page 216
5.4.4 SAMPLES
746 VA Trace Analyzer / 747 VA Stand
5-65
Parameter
Range; Default value / Meaning
The following numeric examples are intended to clarify these points:
Example
S0
Program
V
eff
V0.sample
Mass
Mass.conc.
ρρ
eff,s
1
10 mL
SMPL>M
(10 mL)
10 mL
10 mL
1
µ
g
100
µ
g/L
100
µ
g/L
2
10 mL
SMPL>M
(10 mL)
DOS>M
10 mL
20 mL
10 mL
1
µ
g
100
µ
g/L
50
µ
g/L
3
10 mL
SMPL/F
(10 mL)
DOS>F
10 mL
F>M
10 mL
10 mL
5 mL
0.5
µ
g
100
µ
g/L
50
µ
g/L
4
10 mL
SMPL/F
(10 mL)
DOS>F
10 mL
F>M
10 mL
DOS>M
10 mL
20 mL
5 mL
0.5
µ
g
100
µ
g/L
25
µ
g/L
Example 1:
undiluted sample
Example 2:
dilution in the measuring vessel
Example 3:
dilution of the sample on the Autosampler,
transfer of half to measuring vessel
Example 4:
as Example 3, followed by dilution in the meas-
uring vessel
Sample
10 mL, concentration 100
µ
g/L (for all examples)
V
eff
Volume in the measuring vessel at start of
measurement (first sweep)
V0.sample
Sample volume in the measuring vessel
Mass
Substance mass found in the measuring vessel
Mass conc.
Calculated mass concentration
ρ
s
of the sub-
stance for the sample
ρ
eff,s
Effective mass concentration of the substance in
the measuring vessel (displayed on calibration
curve)