AND Density Determination Kit AD-1653 BM Series Instruction Manual page 15

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