Recent questions in Analytical Chemistry

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1 answer 69 views

How many moles of copper (Cu) are present in a sample that requires 4000 coulombs of electricity to be completely oxidized in a coulometric analysis?

asked 6 days ago in Analytical Chemistry by RalphBello37 (430 points)

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1 answer 40 views

How many milligrams of lead are present in a 50 mL water sample with a concentration of 0.05 ppm, determined using atomic absorption spectroscopy with a calibration curve?

asked 6 days ago in Analytical Chemistry by DarbyEastin (210 points)

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1 answer 56 views

How does the detection limit of X-ray fluorescence spectroscopy change with varying concentrations of the element of interest in a sample?

asked 6 days ago in Analytical Chemistry by EveretteLcr6 (710 points)

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1 answer 81 views

How does the concentration of copper ions in a given sample of water extracted from a polluted river affect the peak current observed in a cyclic voltammogram using a copper electrode?

asked 6 days ago in Analytical Chemistry by ColinBatty1 (450 points)

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1 answer 70 views

How does the concentration of copper in a water sample affect the peak current observed in cyclic voltammetry, and how can this technique be used to determine the concentration of copper in the sample?

asked 6 days ago in Analytical Chemistry by JameWallen12 (730 points)

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1 answer 73 views

How does changing the pH of the buffer solution affect the separation and detection of ionic species during capillary electrophoresis analysis of a given sample?

asked 6 days ago in Analytical Chemistry by JesusJ93482 (670 points)

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1 answer 52 views

How do you determine the amount of chlorine present in a water sample using coulometry?

asked 6 days ago in Analytical Chemistry by MoniqueLogue (330 points)

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1 answer 50 views

How do the elemental composition and concentration of a sample of river water vary as a function of distance downstream from a heavily industrialized area? Using elemental analysis techniques, determine the concentrations of at least three common industrial pollutants in the water and investigate their sources.

asked 6 days ago in Analytical Chemistry by JKDKimber041 (410 points)

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1 answer 68 views

How do the components of a sample mix affect the separation and resolution of compounds during capillary electrophoresis analysis? Develop a protocol to optimize the separation and resolution of a mixture containing two or more compounds using capillary electrophoresis.

asked 6 days ago in Analytical Chemistry by VCNAlva46628 (450 points)

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1 answer 43 views

How can you use spectrophotometry to quantify the amount of copper ions in a water sample?

asked 6 days ago in Analytical Chemistry by FlorianLayh5 (570 points)

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1 answer 61 views

How can you use potentiometry to determine the concentration of chloride ions in a seawater sample collected from the Atlantic Ocean off the coast of Miami, Florida? What is the sensitivity of your measurement and how does the measured concentration compare to the typical range for chloride ion concentration in seawater?

asked 6 days ago in Analytical Chemistry by DelFannin06 (410 points)

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1 answer 64 views

How can you identify the presence of nitrate ions in a given solution using ion-selective electrodes and what is the concentration of nitrate ions in the solution?

asked 6 days ago in Analytical Chemistry by MarianneAmos (730 points)

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1 answer 50 views

How can you determine the concentration of copper ions in a sample using spectrophotometry?

asked 6 days ago in Analytical Chemistry by BernadetteFi (390 points)

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1 answer 56 views

How can you determine the concentration of copper ions in a given sample of solution using spectrophotometry?

asked 6 days ago in Analytical Chemistry by JasperHatter (350 points)

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1 answer 65 views

How can you determine the concentration of copper (II) ions in a solution using colorimetry?

asked 6 days ago in Analytical Chemistry by Kindra62Z818 (370 points)

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1 answer 62 views

How can X-ray fluorescence spectroscopy be utilized to identify the presence of toxic heavy metals, such as lead and cadmium, in a given sample of soil?

asked 6 days ago in Analytical Chemistry by ShannanBalle (430 points)

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1 answer 38 views

How can X-ray fluorescence spectroscopy be utilized to determine the presence of a specific metal in a sample and what are the possible sources of error in the analysis?

asked 6 days ago in Analytical Chemistry by Twyla390140 (560 points)

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1 answer 66 views

How can X-ray fluorescence spectroscopy be utilized to determine the presence and concentration of a specific element in a given sample?

asked 6 days ago in Analytical Chemistry by Valentin4290 (410 points)

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1 answer 46 views

How can X-ray fluorescence spectroscopy be used to identify the presence of specific elements in a sample? Provide a step-by-step procedure for using X-ray fluorescence spectroscopy to analyze an unknown sample and determine the elements present in it. Also, discuss the limitations and advantages of using this technique in comparison with other analytical methods.

asked 6 days ago in Analytical Chemistry by BiancaHallig (470 points)

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1 answer 61 views

How can X-ray fluorescence spectroscopy be used to identify the presence of specific elements in a sample? Provide a detailed explanation of the principles involved in this technique, as well as any limitations or potential sources of error in the analysis. Use examples to illustrate your points.

asked 6 days ago in Analytical Chemistry by EzekielWalle (370 points)

Recent questions in Analytical Chemistry

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