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19
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Moisture Content
No.
Classifi-
cation
Sample
Wt.
(g)
Measurement
Mode
Pan
Temp.
(
℃
)
Meas.
time
(Min)
Mean
Value
(%)
Repeat-
ability
(%)
CV
Value
(%)
Remarks
112
Plastic
Polyethylene
terephthalate
pellet
10
Standard-HI
180 6.8
0.298
0.0045
1.34
Karl Fischer method;
Temp: 180 ºC; 0.3 g
sample; 5
measurements:
Average moisture
content: 0.307%;
Repeatability: 0.0065%,
Average measurement
time: 19.1 min.
113
Plastic
ABS resin pellet
10
Automatic
(0.005% /min)
140 12.1
0.425
0.0093
2.19
Karl Fischer method;
Temp: 140 ºC; 0.2 g
sample; 4
measurements:
Average moisture
content: 0.27%;
Repeatability: 0.0177%;
Average measurement
time: 15.7 min.
114
Plastic
Poly-
methylmethacrylate
resin pellet
10
Automatic
(0.005% /min)
100 19.4
0.488
0.015
3.07
Strong smell emitted
during heating.
Karl Fischer method;
Temp: 100 ºC; 0.2 g
sample; 4
measurements:
Average moisture
content: 0.301%;
Repeatability: 0.0131%;
Average measurement
time: 30.4 min.
115
Electronic
parts
CPU (100 pin,
plastic QFP, 14 x 20
mm)
10
Standard-HI
120 1.7
0.064
0.0055
8.59
Left in a thermostatic
chamber of 80% RH
and 30
℃
for 48 hours.
116
Rubber Ground
tire
5
Standard-MID
200 4.3
22.3
0.08
0.36
Sample was crushed
finely.
117
Sewage
Sewage (human
waste, liquid)
1
Standard-MID
140 5.7
99.14
0.233
0.24
Glass fiber sheet was
used.
Strong smell emitted
during heating.
118
Sewage
Sewage (Human
waste,
dehydrated
paste)
5
Standard-MID
200 16.3
86.64
0.560
0.65
Strong smell emitted
during heating.
5. Plastic, electronic parts and rubber
■
Application/A.Measurement samples/3.Typical measurement results