132
20
Calculating
of silicon
’Total Si’ and silica ’Total SiO2’
in GC-IMS-SILOX
Results of individual concentrations
(‘
c
’) of
L2, L3, L4, L5, D3, D4, D5, D6 same
as ‘
Total Siloxanes
’, ‘Total Si’ and ‘Total SiO2’
are given in mg/m
3
.
I. Calculation silicon ‘Total Si’
Note: The content of silicon (Si) of each siloxane molecule differs and is
determined by M = Molecular mass in g/Mol
It is calculated e.g. for hexamethyldisiloxan L2 (C
6
H
18
O Si
2
)
Molecular mass (L2) = 162.38
Molecular mass (Si) = 28.09
L2 comprises of 2 Si-atomes
Calculation of Si-factor (L2)
𝐹(𝑆𝑖) =
2𝑥𝑀(𝑆𝑖)
𝑀(𝐿2)
=
2𝑥28.09
162.38
= 0.346
Summary of Contents for GC-IMS-SILOX
Page 1: ...G A S Gesellschaft f r analytische Sensorsysteme mbH GC IMS SILOX USER MANUAL...
Page 66: ...65 7 Close the dialog with Close The import process is completed...
Page 103: ...102 17 10 2 System Page Plan Tab Figure 22 The System Page Plan...
Page 128: ...127 Exemplary Readout on Modbus...
Page 136: ...135 Figure 31 Results Window...