4. Method
MKC-710 47
Calculation formula 4-4.
Calculation of water content
Unit: µg (k=1), mg (k=0.001)
Concentration of liquid or solid by
weighing
Unit: %(k=0.0001),ppm, mg/kg, μg /g (k=1)
Concentration of a weighed part of
water in liquid or solid dissolved
with solvent extraction
k)
Wt0
BA
-
Wt0
Wt0B
Wt2-Wt1
Moisture
(FA u
u
uu
Unit: %(k=0.0001),ppm, mg/kg, μg /g (k=1)
Concentration when the volume of
liquid sample is measured
Unit: %(k=0.0001),ppm, mg/kg, μg /g (k=1)
Concentration when the volume of
gas sample is measured
k)
273
Temp.
(1
18V2
22.4 Moisture
FA uu
u
u
u
Unit: %(k=0.0001),ppm, mg/kg, μg /g (k=1)
Concentration of a weighed part of
water in solid dissolved with
solvent extraction
(Sample is not soluble)
kuu?
u
u
XFA
Wt0
BA
-)
10
X
Wt0
B
(
Wt2-Wt1
Moisture
X
6
Determine X from this equation
Unit: %(k=0.0001),ppm, mg/kg, μg /g (k=1)
Concentration when liquid or solid
is weighed in bromine number
measurement
Unit : Bromine numberg/100g (k=0.0001)
Bromine index mg/100g (k=0.1)
Concentration when the volume of
liquid sample is measured in
bromine number measurement
Unit : Bromine numberg/100g (k=0.0001)
Bromine index mg/100g (k=0.1)
* “Moisture” in the equation is identical to “Data-Drift×(t – t(stir))-Blank ”.