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gravimetric analysis is the study of weighing certain compounds, comparing, heating, precipitating, to give us the mass of a specific molecule as a result gravimetric analysis is the study of weighing certain compounds, comparing, heating, precipitating, to give us the mass of a specific molecule as a result

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16y ago
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5mo ago

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.

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16y ago

Gravimetric analysis is a measurement method based on weighing a sample. This is often done by precipitation and weighing of the precipitate.

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12y ago

Digestion is a process in which the precipitate is allowed to stand in contact with the mother liquor for some time before filtration.

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7y ago

A "coagulation gravimetric analysis" doesn't exist; but in gravimetric analysis precipitation is improved by coagulation of colloids.

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Q: What is digestion in gravimetric analysis?
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What are the applications of gravimetric analysis?

A gravimetric method used for the determination of diclofenac in pharmaceutical preparations was developed. Used in the measurement of the essential elements in plant-based herbal drugs and foods. Used in the estimation of the pollutants in the air. Example: SO2. Used in the estimation of the SO2 in the soft drinks. Used in the calibration instruments. Example: Balances calibration Used in the estimation of the chloride ion in the water supplies.


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.


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).


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


How do you test for fiber in food?

Fiber in food can be tested using various methods such as gravimetric analysis, enzymatic analysis, or infrared spectroscopy. These methods involve isolating the fiber component from the food matrix and quantifying it based on specific characteristics. It is important to follow standardized protocols and validate the test methods to ensure accurate and reproducible results.

Related questions

What is precipitation in respect to wet chemical analysis?

Precipitation is an important process in gravimetric analysis.


What distinguishes gravimetric anlaysis from other forms of analysis?

Gravimetric analysis measures the mass of a substance to determine its quantity, while other forms of analysis may involve measuring other properties such as volume or concentration. Gravimetric analysis typically provides more accurate results because it directly measures the amount of the target substance, and it is often used for determining the purity of a sample or detecting trace amounts of a substance. The main limitation of gravimetric analysis is that it is time-consuming and may require complex procedures compared to other analytical methods.


Why does solubility play a role in a gravimetric analysis?

Solubility always has to be considered as a source of error in gravimetric analysis because what remains in solution, no matter how little, doesn't get measured (although, it can sometimes be determined indirectly). So, gravimetric results are always erroneously low due to this factor.


Why digestion is necessary in gravimetric titration?

Digestion is necessary in gravimetric titration to ensure complete and uniform precipitation of the solution being analyzed, allowing for accurate measurement of the precipitate. Digestion also helps in converting the analyte into a form suitable for precipitation, and aids in the formation of a crystalline precipitate which can be easily filtered and weighed.


What is the difference between volumetric analysis and gravimetric analysis?

AnswerVolumetric analysis or titration is a common laboratory method of chemical analysis which can be used to determine the concentration of a known reactant; volumetry is a quantitative method of analysis.Qualitative analysis is used to separate and detect elements, functional groups, molecules etc. in a sample substance, without specifying concentration.


What has the author Laszlo Erdey written?

Laszlo Erdey has written: 'Gravimetric analysis'


Types of precipitation in gravimetric analysis?

In gravimetric analysis, precipitation reactions involve the formation of a solid, insoluble compound from the reaction of two aqueous solutions. Types of precipitates commonly used include sulfides, hydroxides, carbonates, and phosphates. These precipitates are filtered, washed, dried, and weighed to determine the amount of the analyte present in the original sample.


What has the author M D Hawkins written?

M. D. Hawkins has written: 'Calculations in volumetric and gravimetric analysis'


Explain why gravimetric analysis is suitable for the analysis of sulfate ions but not ammonium ions?

The sulphate ions as anion get precipitate easily using suitable precipitants unlike ammonia ions.


What are types of classical methods in instrumental analysis?

Classical methods in instrumental analysis include gravimetric analysis, titration techniques, and colorimetric methods. These methods involve measuring the quantity or concentration of a substance based on its physical or chemical properties.


What is gravimetric factor?

A gravimetric factor converts grams of a compound into grams of a single element. For example, we'll find the gravimetric factor of Cl in AgCl. Use the atomic mass of Ag(107.868) and the atomic mass of Cl(35.453) and add them together to get 143.3. Then divide 35.453 by 143.3 to get .2474. .2474 is the gravimetric factor of Cl in AgCl.


What are the different steps involved in precipitation method of gravimetric analysis?

In precipitation gravimetric analysis, the steps typically involve: 1) preparing a solution containing the analyte of interest, 2) precipitating the analyte as a solid compound through the addition of a precipitating agent, 3) filtering and washing the precipitate to remove impurities, and 4) drying and weighing the precipitate to determine the analyte's concentration.