A&D ML-50 - Page 20

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19 -
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