AND HR Series 사용 설명서 - 페이지 15
{카테고리_이름} AND HR Series에 대한 사용 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. AND HR Series 20 페이지. Density determination kit applicable analytical balance models bm/gh/hr-i/gr/hr/ha series
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