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the amount of carbonate in an ore sample method

Measuring the Amount of Metal Carbonate in an Ore.

Below is an example of the method a scientists would use measure the amount of metal carbonate in an ore. Equipment: • 250 cm3 beaker • Samples of different metal carbonate ore • 25cm3 measuring cylinder • Stopwatch • Spatula • Dilute hydrochloric acid 1 mole per dm3 Method: 1. Measure out an amount of metal carbonate ore. 2.

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Carbonate ores "The amount of carbonate in an ore sample ...

"The amount of carbonate in an ore sample can be measured by adding hydrochloric acid to the sample until it stops fizzing." Only one method needs to be researched. context : a mining company

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I have an isa exam coming up.? Yahoo Answers

Oct 15, 2013  The hypothesis is 'the amount of carbonate in an ore sample can be measured by adding hydrochloric acid to the sample until it stops fizzing. I have to write a method,equipment,risk assessment issues and a context.

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help me for my chemistry isa exam? Yahoo Answers

Apr 18, 2013  ok, so the investigation that we are doing it on is about finding how much carbonate is in a sample of ores. our hypothesis is: the amount of carbonate in an ore sample can be measured by adding hydrochloric acid to the sample until it stops fizzing. for my planning sheet i have wrote my method for the actual experiment. I have wrote what equipment I need and i have wrote one risk

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DETERMINATION OF TOTAL CARBON, TOTAL ORGANIC

• Calcium carbonate, 99% purity • Anhydrone • Drierite • Granular copper, 20-30 mesh • Oxygen, 99% purity 3.0 PROCEDURE All glassware and ceramic ware used in sample processing are combusted at 400°C for at least 4 hours. Samples remain frozen at –20°C until processing. Sediment samples are thawed and homogenized.

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Standard Test Method for Rapid Determination of Carbonate ...

The method is generally intended for use as an index of approximate carbonate content to assist with characterizing marine soils. Other test methods exist (such as Method C25 and Test Method D3042) to evaluate calcium carbonate equivalency for purposes of characterizing use of calcareous materials as soil modifiers or agricultural lining materials.

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Determination of Carbonate Concentrations in Calcareous ...

method, an accurate method to calculate calcium carbonate concentration (Chaney, Slonim, and Slonim 1982). The comparison showed a significant positive linear correlation ((y = 10.63 x + 1.12, y is carbonate concentration (%) determined by volumetric calcimeter method, x is the ratio of vinegar volume to soil mass, R2 = 0.94)) between the two

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chemhume.co.uk

A sample of strontium ore is known to contain strontium oxide, strontium carbonate and some inert impurities. To determine the mass of strontium carbonate present, a student weighed a sample of the solid ore and then heated it in a crucible for 5 minutes. The sample was allowed to cool and then reweighed. This heating, cooling

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method for carbonate ore experiment gcse

Amount Of Carbonate In An Ore Gcse - ilristorantelatorreit. Mar 28, 2014 Measure out 1 grams of the ground sample into Year 10 GCSE ISA (Chemistry) "The amount of carbonate in an ore sample can be measured by adding Status: Open; working out the amount of copper carbonate in an ore.

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Ore Sampling Methods: Good Proper

From the old-fashioned “ grab-sample ” to the modern timing- device, which takes a machine-sample with mathematical precision, there is a wide gap, which was only crossed by many years of toil and unremitting endeavor. Even to-day, notwithstanding the advancement in the art, “ grab-sampling ” is still practiced—sometimes to afford the unscrupulous mine-promoter a basis for fairy ...

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Titrimetric Determination of Sodium Carbonate

Weigh out one sample with the amount you have calculated for 35 mL. 2. Take the remainder and divide it into two – get the exact weight for each. By doing this, you have 3 samples so you can do 3 trials. Titration of Unknown Sodium Carbonate: perform 3-4 trials. 17. Add about 100 mL of distilled water to each sample of the unknown sodium ...

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Standard Test Method for Rapid Determination of Carbonate ...

The method is generally intended for use as an index of approximate carbonate content to assist with characterizing marine soils. Other test methods exist (such as Method C25 and Test Method D3042) to evaluate calcium carbonate equivalency for purposes of characterizing use of calcareous materials as soil modifiers or agricultural lining materials.

More

DETERMINATION OF TOTAL CARBON, TOTAL ORGANIC

• Calcium carbonate, 99% purity • Anhydrone • Drierite • Granular copper, 20-30 mesh • Oxygen, 99% purity 3.0 PROCEDURE All glassware and ceramic ware used in sample processing are combusted at 400°C for at least 4 hours. Samples remain frozen at –20°C until processing. Sediment samples are thawed and homogenized.

More

Determination of Carbonate Concentrations in Calcareous ...

method, an accurate method to calculate calcium carbonate concentration (Chaney, Slonim, and Slonim 1982). The comparison showed a significant positive linear correlation ((y = 10.63 x + 1.12, y is carbonate concentration (%) determined by volumetric calcimeter method, x is the ratio of vinegar volume to soil mass, R2 = 0.94)) between the two

More

13 SAMPLE DISSOLUTION - US EPA

leaves unknown the total amount of analyte present in the sample. Because recent advances in ... dissolving all samples. Sometimes one method is used to dissolve one part of the sample while ... carbonate, a highly insoluble salt (0.0006 g/100 mL), is the equilibrium constant for the process: ...

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Sample Problem 26 The zinc carbonate in a 30591 g sample ...

Sample Problem – 26 The zinc carbonate in a 3.0591-g sample of smithsonite ore was dissolved in acid and separated from the remaining insoluble substances. This solution was treated with an excess of oxalic acid and then made basic to precipitate ZnC 2 O 4.The precipitate was collected, dissolved in 0.5 M H 2 SO 4, and the liberated oxalic acid required 26.14 mL of 0.01875 M KMnO 4 for ...

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CHEMISTRY - The Student Room

A sample of strontium ore is knownto contain strontium oxide, strontium carbonate and some inert impurities. To determine the mass of strontium carbonate present, a ... The student suggested the following method to obtain the maximum amount . of pure dry silver chloride from the sample: 1. Tip the solid into a boiling tube.

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Ore Sampling Methods: Good Proper

From the old-fashioned “ grab-sample ” to the modern timing- device, which takes a machine-sample with mathematical precision, there is a wide gap, which was only crossed by many years of toil and unremitting endeavor. Even to-day, notwithstanding the advancement in the art, “ grab-sampling ” is still practiced—sometimes to afford the unscrupulous mine-promoter a basis for fairy ...

More

Chemistry: Fire Assay

Fire Assay is a technique which analyzes the amount of precious metal (gold, silver, palladium and platinum) in a sample of ore or scrap. It is generally regarded as the most accurate (7-10 ppb or 0.1g/t), economical, and consistent method for gold analysis, though it is time consuming.

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Making magnesium carbonate: the formation of an insoluble ...

Making magnesium carbonate: the formation of an insoluble salt in water. When solutions of two soluble salts are mixed, a solid may form. The solid is called a precipitate, and the reaction is called a precipitation reaction. Precipitation reactions are used to make insoluble salts. In this experiment the soluble salts are magnesium sulfate and ...

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Minerals Free Full-Text The Use of Infrared ...

The infrared data revealed that the carbonate minerals correspond to aragonite and calcite, and that their occurrence is linked to the total amount of carbonate in the sample. By using a portable spectral instrument that uses diffuse reflectance, it was possible to classify the spectra of the ore samples based on the carbonate content.

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3. Gravimetric Methods of Analysis - Chemistry LibreTexts

Aug 15, 2020  3-2. Volatilization methods. An interesting volatilization method which is entirely gravimetric is the one shown by the equations below. The analyte can be bicarbonate as shown or a mixture of carbonate and bicarbonate. The total amount of carbonate in whatever form is found by placing the analyte in a solution containing an excess of H 2 SO 4.

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Methods for Alkalinity Calculator - USGS

The concentrations of carbonate and bicarbonate in the sample are calculated using either a simple mass-balance speciation method (deprecated-- no longer used) or an advanced speciation method. Either way, the calculation of the sample alkalinity is a straightforward accounting of the acid used to neutralize the sample, and the hydroxide ...

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Assaying Ores to determine gold content

While improper fire assay methods or incorrect fluxes can cause problems, when properly done a fire assay is extremely reliable method of determining the gold and silver content of an ore sample. The details of how to do a fire assay correctly, and the proper fluxes and how they are made, have been written about and published in many books.

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Methods for Alkalinity Calculator - USGS

The concentrations of carbonate and bicarbonate in the sample are calculated using either a simple mass-balance speciation method (deprecated-- no longer used) or an advanced speciation method. Either way, the calculation of the sample alkalinity is a straightforward accounting of the acid used to neutralize the sample, and the hydroxide ...

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Sample Problem 26 The zinc carbonate in a 30591 g sample ...

Sample Problem – 26 The zinc carbonate in a 3.0591-g sample of smithsonite ore was dissolved in acid and separated from the remaining insoluble substances. This solution was treated with an excess of oxalic acid and then made basic to precipitate ZnC 2 O 4.The precipitate was collected, dissolved in 0.5 M H 2 SO 4, and the liberated oxalic acid required 26.14 mL of 0.01875 M KMnO 4 for ...

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Carbonates ISA - Mr Preston

Nov 05, 2013  The amount of carbonate in an ore sample can be measured by adding hydrochloric acid to a sample until it stops fizzing Posted by Mr Ben Preston at 2:53 AM No comments: Email This BlogThis! Share to Twitter Share to Facebook Share to Pinterest. The Context.

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3. Gravimetric Methods of Analysis - Chemistry LibreTexts

Aug 15, 2020  3-2. Volatilization methods. An interesting volatilization method which is entirely gravimetric is the one shown by the equations below. The analyte can be bicarbonate as shown or a mixture of carbonate and bicarbonate. The total amount of carbonate in whatever form is found by placing the analyte in a solution containing an excess of H 2 SO 4.

More

Minerals Free Full-Text The Use of Infrared ...

The infrared data revealed that the carbonate minerals correspond to aragonite and calcite, and that their occurrence is linked to the total amount of carbonate in the sample. By using a portable spectral instrument that uses diffuse reflectance, it was possible to classify the spectra of the ore samples based on the carbonate content.

More

CHEMISTRY - The Student Room

A sample of strontium ore is knownto contain strontium oxide, strontium carbonate and some inert impurities. To determine the mass of strontium carbonate present, a ... The student suggested the following method to obtain the maximum amount . of pure dry silver chloride from the sample: 1. Tip the solid into a boiling tube.

More

Ore Sampling Methods: Good Proper

From the old-fashioned “ grab-sample ” to the modern timing- device, which takes a machine-sample with mathematical precision, there is a wide gap, which was only crossed by many years of toil and unremitting endeavor. Even to-day, notwithstanding the advancement in the art, “ grab-sampling ” is still practiced—sometimes to afford the unscrupulous mine-promoter a basis for fairy ...

More

The Use of Infrared Spectroscopy to Determine the Quality ...

Minerals 2018, 8, 120 2 of 14 required for filtration, the beneficiated ore is calcined in a rotary kiln [7,8]. At this stage, the presence of CO3 in the ore is also detrimental to the process, since it increases the energy consumption for the kiln and increases the CO2 emissions [9]. In the processing of filter-grade diatomite products, the objective is to generate a grade or blend

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Chemistry: Fire Assay

Fire Assay is a technique which analyzes the amount of precious metal (gold, silver, palladium and platinum) in a sample of ore or scrap. It is generally regarded as the most accurate (7-10 ppb or 0.1g/t), economical, and consistent method for gold analysis, though it is time consuming.

More

Making magnesium carbonate: the formation of an insoluble ...

Making magnesium carbonate: the formation of an insoluble salt in water. When solutions of two soluble salts are mixed, a solid may form. The solid is called a precipitate, and the reaction is called a precipitation reaction. Precipitation reactions are used to make insoluble salts. In this experiment the soluble salts are magnesium sulfate and ...

More

Experiment of Calcium Carbonate Composition of Eggshells

Percentage by mass of calcium carbonate in eggshell can then be calculated by the following formula: 4.2AIMS AND OBJECTIVES. The purpose of this experiment is to determine the percentage by mass of calcium carbonate in eggshells. design an experiment that quantifies the amount of calcium carbonate present in a natural substance.

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Determination of Calcium, Magnesium, and Sodium by Atomic ...

important – e.g., how much iron in an ore sample, how much lead in your drinking water, calcium in intracellular fluids. In a sense, it’s the simplest type of analysis, since there are only about 120 possible analytes. But to do the analysis, the sample has to be completely destroyed (chemically and physically) and reduced to individual gas ...

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(PDF) Sulfidation roasting of lead and zinc carbonate with ...

Dec 07, 2020  a simple and reliable method to sulfidize the oxidized ore. ... EDS spectrum of roasting samples of lead carbonate and ... of the sample 131 increased with increasing the amount of ...

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(PDF) Experimental No. (08): Determination of a mixture of ...

The following procedure is recommended; To 0.5 ml of a sample solution, 1.0 ml of 0.2 M sodium hydroxide was added, and this reaction mixture was stood for 15min under the room light. Then, 1.0 ml ...

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