AND AD-1653, Instruction Manual

Page: 15 / 20

13
7. Use the following equations to obtain the density.
•
Three significant digits
•
Four or more significant digits
A A
ρ
= x
ρ
0
ρ
= x (
ρ
0
– d) + d
| B | | B |
ρ
:
Density of sample (g/cm
3
)
A : Weight in air
B : Weight in water
ρ
0
: Density of water
d : Density of air (g/cm
3
)
Example of recording sheet
Weight in air
(A)
(g)
Weight in
water (B)
(g)
Water temperature
(°C)
(g/cm
3
)
26
Water density
(g/cm
3
)
4.8102 0.5946
0.99678
8.06
(Calculated value)
Weight in air
(A)
(g)
Weight in
water (B)
(g)
Water
temperature
(°C)
Atmospheric
pressure
(hPa)
(g/cm
3
)
26
Water
density
(g/cm
3
)
Air
density
(g/cm
3
)
4.8102 0.5946
0.99678 0.0012
8.055
(Calculated value)