Recent questions in Chemistry

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How can we determine the concentration of fluoride ions in a water sample using potentiometry?

asked Jan 29 in Analytical Chemistry by ChristelZ81 (1.7k points)

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1 answer 87 views

How can we determine the concentration of fluoride ions in a given solution using an ion-selective electrode?

asked Jan 29 in Analytical Chemistry by DarbyJackey7 (1.4k points)

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How can we determine the concentration of chloride ions in a given solution using an ion-selective electrode?

asked Jan 29 in Analytical Chemistry by DebbraCarder (2.3k points)

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1 answer 150 views

How can we determine the concentration of chloride ions in a given solution using a chloride ion selective electrode?

asked Jan 29 in Analytical Chemistry by LawrenceMcGr (1.8k points)

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How can we determine the concentration of caffeine in a sample of coffee using liquid chromatography?

asked Jan 29 in Analytical Chemistry by DeneseSteinm (1.9k points)

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1 answer 59 views

How can we determine the concentration of caffeine in a sample of coffee using liquid chromatography, and how can we optimize the chromatographic conditions to obtain the most accurate results?

asked Jan 29 in Analytical Chemistry by YOKIva496594 (2.6k points)

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1 answer 78 views

How can we determine the concentration of caffeine in a particular brand of coffee by using liquid chromatography?

asked Jan 29 in Analytical Chemistry by SilviaKetcha (1.6k points)

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How can we determine the concentration of a sample solution containing a mixture of ferrocyanide and ferricyanide ions using polarography?

asked Jan 29 in Analytical Chemistry by LuzGerste41 (1.9k points)

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1 answer 72 views

How can we determine the composition of protein samples using electrophoresis techniques and which type of electrophoresis method (e.g. SDS-PAGE, isoelectric focusing) would be most appropriate for analyzing a specific protein sample?

asked Jan 29 in Analytical Chemistry by MaeBuchanan (1.7k points)

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1 answer 84 views

How can we determine the composition of a mixture containing various compounds, using gas chromatography?

asked Jan 29 in Analytical Chemistry by MurrayDrew60 (1.7k points)

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1 answer 77 views

How can we determine the amount of caffeine present in a sample of tea using liquid chromatography?

asked Jan 29 in Analytical Chemistry by MerryR11813 (1.7k points)

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How can we apply capillary electrophoresis to accurately determine the levels of different amino acids present in a protein sample?

asked Jan 29 in Analytical Chemistry by MammieArmyta (1.8k points)

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1 answer 85 views

How can we analyze the protein composition of a sample using electrophoresis and determine the relative quantity of each protein present?

asked Jan 29 in Analytical Chemistry by DeneseSteinm (1.9k points)

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1 answer 88 views

How can we analyze the composition of a mixture containing multiple compounds using gas chromatography? What are the steps involved in sample preparation, instrument set up, and data analysis to accurately identify and quantify each compound in the mixture?

asked Jan 29 in Analytical Chemistry by XGDKali55905 (2.7k points)

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How can we analyze the composition of a mixed sample of amino acids using liquid chromatography?

asked Jan 29 in Analytical Chemistry by AshleighFleg (2.1k points)

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How can we analyze the composition of a given sample using high-performance liquid chromatography (HPLC) and obtain accurate data for the identification and quantification of its components?

asked Jan 29 in Analytical Chemistry by CarmaC633252 (1.7k points)

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1 answer 77 views

How can we accurately determine the concentration of iron in a water sample using colorimetry, and what is the potential impact on human health if the concentration exceeds a certain threshold?

asked Jan 29 in Analytical Chemistry by JuanitaShear (2.4k points)

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1 answer 71 views

How can we accurately determine the amount of caffeine present in a sample of coffee using liquid chromatography?

asked Jan 29 in Analytical Chemistry by Patsy0696347 (1.8k points)

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1 answer 86 views

How can we accurately determine the amount of caffeine in a coffee sample using liquid chromatography?

asked Jan 29 in Analytical Chemistry by RileyStephen (1.8k points)

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1 answer 81 views

How can voltammetry be used to accurately quantify the concentration of a specific substance in a sample, and what are the key factors that affect the accuracy and precision of this measurement technique?

asked Jan 29 in Analytical Chemistry by ElviaM111599 (1.4k points)

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