Relative density, also called specific gravity, [1] [2] is a dimensionless quantity defined as the ratio of the density (mass of a unit volume) of a substance to the density of a given reference material.

Specific gravity is a dimensionless quantity that is defined as the ratio of the density of a substance to the density of the water at a specified temperature. The density of water at 4 0C …

Specific Gravity (Relative Density) - SG - is a dimensionless unit defined as the ratio of the density of a substance to the density of water - at a specified temperature and can be expressed as. …

specific gravity, ratio of the density of a substance to that of a standard substance. The usual standard of comparison for solids and liquids is water at 4 °C (39.2 °F), which has a density of …

2024年7月1日 · Use this specific gravity calculator to find the specific gravity of different materials and see whether they will float or sink.

2020年1月25日 · Specific gravity, often abbreviated as GE or SG, is a measurement that compares the density of a substance to the density of water at a specific temperature and …

Specific gravity tells you whether something is floating or sinking in water. A specific gravity below 1 means that the sample is less dense (lighter) than water and will, therefore, float. For …

Specific gravity measurement. The specific gravity is usually measured using an instrument called a hydrometer. The hydrometer partially submerges in the liquid sample, and the reading on the …

2018年1月10日 · The specific gravity of a substance is the ratio of its density to a specified reference substance. This ratio is a pure number, containing no units. If the specific gravity …

2020年1月15日 · Specific gravity is the ratio of the density of a substance to the density of a reference substance, which is usually water for liquids and air for gases. When water is used, …