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The partial weight of some material component in a mixture of materials or in a compound per unit weight of the mixture or the compound. For example, the gravimetric density of hydrogen in TiH2 is 0.04 (grams of hydrogen)/(gram TiH2), or in other words the hydrogen weight percentage in TiH2 is 4%.
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BlakeGravimetric density refers to the mass of a substance per unit volume. It is typically measured in units such as grams per cubic centimeter or kilograms per liter. Gravimetric density is important in various fields, including chemistry and materials science, for characterizing the compactness or heaviness of a material.
The method of determination of mass as precipitates, from ionic solution after filtration ,washing and weighing the product is termed as
precipitation gravimetry... BY : SHAIKH M WAQAS (CH-302,NEDUET,KARACHI,Pakistan)
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Why do we multiply the mass of precipitate with a gravimetric factor?
The gravimetric factor is related to the percentage of element (or ion) to be determined in the precipitate (as compound).
What is digestion in gravimetric analysis?
Digestion in gravimetric analysis refers to the process of heating a sample to break down it into simpler compounds. This step is often necessary to convert the target analyte into a form suitable for precipitation and subsequent weighing. Digestion helps ensure that all analytes are in a consistent chemical form for accurate quantification.
Why Whatman filter paper no 40 is used in gravimetric experiments?
Whatman filter paper no. 40 is recommended for gravimetric quantitative analysis. Some characteristics are: - flow rate: medium - Herzberg filtration speed: approx. 340 - porosity: approx. 8 micrometers - ash: max. 0,oo7 % - thickness: 210 micrometers - weight: 95 g/m2
What can a mixture be separated by?
Many methods exist: - distillation - crystallization - sieving - electromagnetic separation - decanting - gravimetric - radiometric - centrifuging - solvent extraction - ion exchanging -etc.
What is the significance of precipitation in laboratory procedure?
An insoluble compound was precipitated. This is an important procedure in gravimetric analysis, chemical engineering, foods technology, water treatment, separation of components etc.
