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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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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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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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Colourimetric determination of copper ore Experiment

Sample of powdered ore a simulated copper ore made up with a minimum of 30% by mass of copper (II) carbonate, CuCO 3 (s), (HARMFUL see CLEAPSS Hazcard HC026) thoroughly mixed with dry ‘silver‘ sand or washed and dried building sand.

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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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Determination of the Carbonate Content of a Soda-Ash Sample

It is common practice to report the total alkalinity as percent sodium carbonate or sodium oxide, Na 2 O. Since samples are frequently non-homogeneous, the method of aliquot portions is usually employed. Instead of weighing out three separate samples of soda ash, one accurately weighs out a larger amount.

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Chemical tests for the metal content of various ores

The amount of copper in the sample multiplied by 32,000 will be the copper in a ton of the ore. Should copper be suspected, roast the powdered ore and mix with an equal quantity of salt and candle grease or other fat; then cast into the fire, and the characteristic flame

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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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(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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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

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

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

An ore containing lead carbonate, PbCO(subscript 3) was

Jun 13, 2008 An ore containing lead carbonate, PbCO(subscript 3) was analyzed. all the lead in a 1.836 gram sample was? converted to PbSO(subscript 4) using a standard procedure involving treatment with HNO(subscript 3) (aq) followed by treatment with Na(subscript 2)SO(subscript 4) solution. the lead sulfate which was recovered weighed 333mg. what is the

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Determination of the Carbonate Content of a Soda-Ash Sample

It is common practice to report the total alkalinity as percent sodium carbonate or sodium oxide, Na 2 O. Since samples are frequently non-homogeneous, the method of aliquot portions is usually employed. Instead of weighing out three separate samples of soda ash, one accurately weighs out a larger amount.

More

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) 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

More

An ore on treatment with dilute hydrochloric acid gives

In order to fully separate metals in an ore sample, the sample is heated to extremely high temperatures the various processes are used to separate the metal components. Which of the following would give the least amount of usable information for developing an extraction method for lead from other metals in an ore sample?

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

Calculate the amount of the sodium carbonate and sodium hydroxide as follows: sodium hydroxide by using double indicator method AZAD H ALSHATTERI, MSC ANALYTICAL CHEMISTRY, UOM (2013

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Types of Sampling: Sampling Methods with Examples

The non-probability method is a sampling method that involves a collection of feedback based on a researcher or statistician’s sample selection capabilities and not on a fixed selection process. In most situations, the output of a survey conducted with a non-probable sample leads to skewed results, which may not represent the desired target

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Titration of Sodium Carbonate With Hydrochloric Acid

Apr 11, 2018 When you add a hydrochloric acid (HCl) solution to a solution of sodium carbonate (Na 2 CO 3), the hydrogen ion in HCl switches places with one of the sodium ions in Na 2 CO 3 to produce sodium hydrogencarbonate, also known as sodium bicarbonate (baking soda), and sodium chloride (salt).

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Titration of a Commercial Antacid

This method of analysis is called a back-titration. The reactions above are reversible, which means that CO2 dissolved in water will produce some carbonic acid. This acid will react with the NaOH we are titrating and give us inaccurate results. Therefore it is important to boil the solution when the carbonate reacts with acid, to remove CO2 as

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Extracting copper from copper(II) carbonate Experiment

Malachite is a copper ore consisting mainly of basic copper(II) carbonate, CuCO3.Cu(OH)2. In this experiment, students learn how to produce copper from copper(II) carbonate by heating it to produce copper(II) oxide, which is then reduced to the metal using carbon as a reducing agent.

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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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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

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:

More

An ore containing lead carbonate, PbCO(subscript 3) was

Jun 13, 2008 An ore containing lead carbonate, PbCO(subscript 3) was analyzed. all the lead in a 1.836 gram sample was? converted to PbSO(subscript 4) using a standard procedure involving treatment with HNO(subscript 3) (aq) followed by treatment with Na(subscript 2)SO(subscript 4) solution. the lead sulfate which was recovered weighed 333mg. what is the

More

Determination of the Carbonate Content of a Soda-Ash Sample

It is common practice to report the total alkalinity as percent sodium carbonate or sodium oxide, Na 2 O. Since samples are frequently non-homogeneous, the method of aliquot portions is usually employed. Instead of weighing out three separate samples of soda ash, one accurately weighs out a larger amount.

More

(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

More

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

More

Acid-base titration Titration and titrimetric methods

and obviously amount of titrant added (V 2-V 1) reflects only amount of carbonate. That in turn means that to calculate amount of sodium hydroxide we should use V 1-(V 2-V 1) = 2V 1-V 2 as a titrant volume. Warder method gives best results when the amount of sodium carbonate is substantially lower than the amount of sodium hydroxide.

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An ore on treatment with dilute hydrochloric acid gives

In order to fully separate metals in an ore sample, the sample is heated to extremely high temperatures the various processes are used to separate the metal components. Which of the following would give the least amount of usable information for developing an extraction method for lead from other metals in an ore sample?

More

Titration of a Commercial Antacid

This method of analysis is called a back-titration. The reactions above are reversible, which means that CO2 dissolved in water will produce some carbonic acid. This acid will react with the NaOH we are titrating and give us inaccurate results. Therefore it is important to boil the solution when the carbonate reacts with acid, to remove CO2 as

More

Titration of Sodium Carbonate With Hydrochloric Acid

Apr 11, 2018 When you add a hydrochloric acid (HCl) solution to a solution of sodium carbonate (Na 2 CO 3), the hydrogen ion in HCl switches places with one of the sodium ions in Na 2 CO 3 to produce sodium hydrogencarbonate, also known as sodium bicarbonate (baking soda), and sodium chloride (salt).

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12 LABORATORY SAMPLE PREPARATION

12.2.1 Potential Sample Losses During Preparation . Materials may be lost from a sample during laboratory preparation. The following sections discuss the potential types of losses and the methods used to control them. The addition of tracers or carriers (Section 14.9) is encouraged at the earliest possible point and prior to any sample

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EXPERIMENT 1: HARDNESS OF WATER BY EDTA TITRATION

calcium carbonate in the unknown sample in ppm. Additional notes: It is recommended that you also do some preliminary steps for the nickel experiment (refer to nickel experiment for more details), especially if it is your next experiment. Ask for your nickel ore unknown and dry it to constant weight. As a

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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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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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