Determination of density

Bulk density is the weight of soil in a given volume.

Determination of density

The mass of the excavated soil is determined. The volume of the hole is equal to the mass of the sand filled in the hole divided by its dry density. Calibrating container, mm diameter and mm height 3. Determination of density cutting and excavating tools, such as scrapper tool, bent spoon 4.

Glass plate, mm square, 9mm thick 5. Metal container to collect excavated soil 6. Metal tray, mm square and 40mm deep with a hole of mm in diameter at the centre 7. Desiccator Clean, uniform sand passing 1mm IS sieve and retained on micron IS sieve in sufficient quantity.

Determine the internal volume of the calibrating container by filling it with water and determining the mass of water required. The mass of water in grams is approximately equal to the volume in mililitres. The volume may also be determined from the measured dimensions of the container.

Fill the sand-pouring cylinder with sand, within about 10mm of its top.

Determination of density

Determine the mass of the cylinder M1 to the nearest gram. Place the sand-pouring cylinder vertically on the calibrating container. Open the shutter to allow the sand run out from the cylinder. When there is no further movement of the sand in the cylinder, close the shutter.

Lift the pouring cylinder from the calibrating container and weigh it to the nearest gram M3. Again fill the pouring cylinder with sand, within 10mm of its top. Open the shutter and allow the sand to run out of the cylinder.

When the volume of the sand let out is equal to the volume of the calibrating container, close the shutter. Place the cylinder over a plane surface, such as a glass plate. The sand fills the cone of the cylinder.

Close the shutter when no further movement of sand takes place. Collect the sand left on the glass plate. Determine the mass of sand M2 that had filled the cone by weighing the collected sand.

Determine the dry density of sand, as shown in the data sheet, part-I. Expose an area of about mm square on the surface of the soil mass. Trim the surface down to a level surface using a scrapper tool.

Place the metal tray on the leveled surface. Excavate the soil though the central hole of the tray, using the hole in the tray as a pattern.

The depth of the excavated hole should be about mm. Collect all the excavated soil in a metal container, and determine the mass of the soil M. Remove the metal tray from the excavated hole. Fill the sand pouring cylinder within 10mm of its top.

Density determination

Determine its mass M1. Place the cylinder directly over the excavated hole. Allow the sand to run out the cylinder by opening the shutter. Close the shutter when the hole is completely filled and no further movement of sand is observed.Determination of the Molar Mass of a Volatile Liquid by Vapor Density Background Chemical and physical methods for determining atomic and molecular formula weights or molar masses have been important historically as a way of analyzing and categorizing new materials.

Mar 19,  · If I understand correctly, pycnometers are used to determine the density of substances like granular or powdered solids. A preferred method of determining the density of liquids is the buoyancy method, where a "plummet" of known volume is immersed in the liquid being measured, and the negative difference in the weight of the apparatus holding the plummet before immersion and the .

The density, or more precisely, the volumetric mass density, of a substance is its mass per unit symbol most often used for density is ρ (the lower case Greek letter rho), although the Latin letter D can also be used.

Mathematically, density is defined as mass divided by volume: = where ρ is the density, m is the mass, and V is the volume.

In some cases (for instance, in the. Abstract: A laboratory experiment based on the determination of density, suitable for introductory-level chemistry courses, is described.

Students prepare several aqueous solutions of sugar of known concentration in the % by mass range. The density of each. The purpose of this lab is to determine the identity of an unknown liquid by measuring its density and its boiling point and try to match it with those solutions given in Table 2 of experiment 2.

Procedure In Part A, The main purpose was to find the determination of the density of the unknown (j41) and by doing that we had to determine volumes. Graphical Determination of Density using a Ruler to Measure the Volume Calculate the block’s volume, V, from its dimensions paying particular attention to the significant figures in your calculation.

Chem Determination of the Density of a Solution | SUNY Geneseo