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Samenvatting Verslag Höppler
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Verslag Höppler voor een 1ste jaars chemie student aan AP- hogeschool voor lab fysico chemie semester 2.
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Meting met de Höpler-Viscometer Doel: Bepalen viscositeit van paraffine-olie bij verschillenBrookfield
trage (nr 3) snelle (nr 4) dichtheid bij 0°C :
r/g.cm -3
8.123 8.122 rolie =
K/(mPa/g.cm-3) 0.0967 0,587. uitzettingscoëfficiënt : ɣolie =
Trage kogel
Viscositeit η i.f.v de temperatuur T ge
t/s T/K η/cP
97.3 311 68.0 trage kogel van de Brookfield
68.2 321 47.7 70.0
51.4 328 35.9 60.0
42.3 335 29.6 50.0
31 343 21.7 40.0
η/cP
30.0
t/s T/K η/cP
20.0
97.3 0.00322 4.2
10.0
68.2 0.00312 3.9
0.0
51.4 0.00305 3.6
305 310 315 320
42.3 0.00299 3.4
31 0.00292 3.1
Snelle kogel
t/s T/K η/cP
14.6 311 61.9 Viscositeit η i.f.v de temperatuur T ge
9.1 321 38.6 snelle kogel van de Brookfield
6.2 328 26.3
5.3 335 22.5 70.0
3.9 343 16.5 60.0
50.0
t/s T/K η/cP 40.0
η/cP
14.6 0.00322 4.1 30.0
9.1 0.00312 3.7 20.0
6.2 0.00305 3.3 10.0
5.3 0.00299 3.1 0.0
305 310 315 320
3.9 0.00292 2.8
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