to about 5 mm above the upper timing mark E. Release the vacuum and allow the
sample to flow by gravity. Measure the time for the sample to flow from the timing
mark E to the lower timing mark F. This is the time t in the equation
V ¼ C Â t
18
N
K
L − 11
75
35
E
D
C
−
F
R
S
P
A
A−26
300
1 45
15
5
45
NOTE 1–All dimensions are in millimetres.
k − 6
N − 6
L
16. 5
16. 5
Fig. 4 Viscometer for
transparent liquids
668
D.S.J. Jones
sample to flow by gravity. Measure the time for the sample to flow from the timing
mark E to the lower timing mark F. This is the time t in the equation
V ¼ C Â t
18
N
K
L − 11
75
35
E
D
C
−
F
R
S
P
A
A−26
300
1 45
15
5
45
NOTE 1–All dimensions are in millimetres.
k − 6
N − 6
L
16. 5
16. 5
Fig. 4 Viscometer for
transparent liquids
668
D.S.J. Jones