Metrohm IC Net 2.0 - Manual (Page 110)

7 Methods
IC Net 2.0 102
Internal standard amount
Concentration of the internal standard
component for relative concentration cal-
culations.
Date/time when... Date and time of sample collection (the
default values are equal to the date and
time when the chromatogram starts).
7.2.3 Column
Tab Column of passport with column information.
Number Serial number of column (max. 256 char-
acters).
ID Internal diameter of the column in mm.
Length Length of the column in mm. This parame-
ter is used to calculate Linear flow .
Packing material
Column Column description (max. 256 characters).
Particle size Particle size of the column in µ m. This value
is used for the calculation of reduced
theoretical plate height
Reduced TP height
.
Void volume
Void volume for the column in %. Used to
calculate
Logarithmic index
,
Capacity factor
and
Linear flow
. It is calculated by the sys-
tem in accordance with the settings defined
on Method setup / Math .
Precolumn
ID Internal diameter of the precolumn in mm.
Length
Length of the precolumn in mm (set length
to 0 if no precolumn is used).