BSA Flow Software Installation and User's Guide - CSI

Count percent The count of particles per size class in percent is calculated as
Count cumulative
ni
ni
(%) = × 100
N
percent The cumulative count in percent of the total number of particles is calculated
for the size class i as
Probability Density
n
cum
i
=
∑
1
= j i
j=
N
n
j
× 100 .
Function (PdF) The Probability Density Function (PdF) of a size distribution is calculated
as
ni
1
PdF(
Di
) = ×
∆D
N
∆D
where is the particle class width. PdF(Di) is in µm -1 i
.
Surface percent The equivalent particle surface distribution in percent is calculated as
Surface cumulative
S
i
π 2
niDi
= 4 × 100
S
where S is the equivalent total surface of liquid and is calculated as
i
S =
4
π
Ni
∑
i 1
=
=
n D
i
2
i
.
percent The cumulative equivalent particle surface in percent of the total particle
surface is calculated for the class i as
π
∑ 4 1
= j i
j=
n D
i
2
i
cum
Si
=
S
× 100
where S is the total equivalent surface of liquid (see above)
Volume percent The equivalent particle volume distribution in percent is calculated as
Volume cumulative
V
i
π 3
niDi
= 6 × 100
V
where V is the equivalent total volume of liquid and is calculated as:
i
V =
6
π
Ni
∑
i 1
=
=
n D
i
3
i
.
percent The cumulative equivalent particle volume in percent of the total particle
7-108 BSA Flow Software: Reference guide