The solid wood density may be determined using the green volume, the ovendry volume, or intermediate volumes. This is notable as wood shrinks about 8%–15% as it dries. Mass and weight are similar but distinct units of measure. Mass simply describes the amount of matter present regardless of external factors, and the SI (International System, or metric) unit of mass is the kilogram (kg). Place a weighed amount, say 200 grams, of dry solids in … Because the density of water at 4 degrees Celsius is 1,000 kg/m 3, that ratio is easy to find.For example, the density of gold is 19,300 kg/m 3, so its specific gravity … The specific gravity of whole mix is the average specific gravity of all solid particles present in that mix. In physics, a substance’s specific gravity is the ratio of that substance’s density to the density of water at 4 degrees Celsius. Of the various methods used to determine the density of a solid material, hydrostatic weighing, which uses Archimedes' principle, is generally preferred. For solids, specific gravity is an important parameter. Density is mass divided by volume, and specific gravity is the density of an object divided by the density of water at a specified temperature. Solids and liquids are often compared with water at 4 C, which has a density of 1.0 kg per liter. Specific gravity, ratio of the density of a substance to that of a standard substance. In taking the specific gravity of a solid not in powder, a lump of it is freed from loose particles and its exact weight determined. If we consider a soil mix, different particle in that mix has different specific gravity value. The following is a simplified procedure for obtaining this figure. By Steven Holzner . How to Obtain the Specific Gravity of Dry Solids. For most of the soils, specific gravity … Specific gravity is the (unit less) ratio of the solid wood density to the density of water at the same temperature. To obtain the per cent solids in a pulp, from the specific gravity of that pulp, the specific gravity of the dry solids in the pulp must be known. Gases are often compared with dry air, having a density of 1.29 grams per liter (1.29 ounces per cubic foot) under standard conditions. In physics problems involving specific gravity, the gram (g), which is … By means of a horse hair with a slip knot it is suspended to the balance, and beneath it is placed, out of contact with the balance pan, a beaker of distilled water.