Two compounds C and D are separated on a column 34 cm long . Given the...
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Two
compounds C and D are separated on a column 34 cm long . Given the...
The table contains data for a liquid chromatography separation of four compounds, A, B, C, and...
The table contains data for a liquid chromatography separation of four compounds, A, B, C, and D, on a 40.0 cm column Retention Compound time (min) Width at the base (min) A 5.17 0.436 B 1.02 13.0 15.0 C 1.10 23.4 1.91 Calculate the number of theoretical plates, N, for each peak. NA NB Nc ND = What is the average number of theoretical plates, Navg, for Navg the column? What is the plate height, H, for the column? Н-...
Consider a separation performed on a 45.0 mm long open tubular column with a 0.50 mm...
Consider a separation performed on a 45.0 mm long open tubular column with a 0.50 mm diameter, and a 2.0 um thick stationary phase. Compound A eluted at 12.41 min, compound B eluted at 13.34 min, and the unretained solvent eluted at 1.130 min. What are the adjusted retention times, t, and retention factors, k, for compounds A and B? Number Number min Number Number min rB What is the relative retention, a, for this separation? Number roll down to...
Consider the data below for a liquid chromatography separation of four compounds, A, B, C, and...
Consider the data below for a liquid chromatography separation of four compounds, A, B, C, and D on a 45.0 cm column. Calculate the number of theoretical plates, N, for each peak. Retention Width at the Time (min) Base (min) 5.24 0.424 Number Number 12.8 1.08 NA = II 14.2 1.12 D 24.1 1.85 Number Number NB = 10 N= What is the average number of theoretical plates, Navg, for the column? Number Navy = avg What is the plate...
Check An 5 of 26 > Two isotopic compounds are produced in the synthesis of a...
Check An 5 of 26 > Two isotopic compounds are produced in the synthesis of a new therapeutic drug, which must be separated by repeated chromatography cycles. In each cycle, the solution containing both compounds passes through a chromatography column with a length L 25.0 cm containing N theoretical plates. The unadjusted relative retention is y = 1.042 Calculate the number of theoretical plates, N, in the column of length L. The observed resolution is 1.84 after 19 cycles N-...
A student researcher performed a chromatographic separation of caffeine and aspartame. The retent...
A student researcher performed a chromatographic separation of caffeine and aspartame. The retention time for caffeine, lc, was found to be 203.8 s with a baseline peak width, wc, of 13.8 s. The retention time for aspartame, ta, was 272.4 s with a baseline peak width, wa, of 21.5 s. The retention time for the unretained solvent methanol was 43.7 s Calculate the average plate height, H, in micrometers for this separation, given that it was performed on a 22.7...
Two isotopic compounds are produced in the synthesis of a new therapeutic drug, which must be...
Two isotopic compounds are produced in the synthesis of a new therapeutic drug, which must be separated by repeated chromatography cycles. In each cycle, the solution containing both compounds passes through a chromatography column with a length L = 45.0 cm containing N theoretical plates. The unadjusted relative retention is y = 1.098. Calculate the number of theoretical plates, N. in the column of length L. The observed resolution is 1.82 after 14 cycles. plates Calculate the height of an...
Two isotopic compounds are produced in the synthesis of a new therapeutic drug, which must be...
Two isotopic compounds are produced in the synthesis of a new therapeutic drug, which must be separated by repeated chromatography cycles. In each cycle, the solution containing both compounds passes through a chromatography column of length ?=45.0 cm containing ? theoretical plates. The compounds have an adjusted relative retention, α, of 1.093 and retention factors of 6.09 and 6.66 , respectively. Calculate the number of theoretical plates, ? , in the column of length ? . The observed resolution is...
Chromatograms of compounds A and B were obtained at the same flowrate with two columns of...
Chromatograms of compounds A and B were obtained at the same
flowrate with two columns of equal length. The Value of tm is 1.3
min in both cases.
Chromatograms
of compounds A and B were obtained at the same flow rate with two
columns of equal length. The value of
tm is
1.3 min in both cases.
I Column 1 Column 2 12 10 Time What is the numcrical valac of the nenn factor of pak A what isthemererkal valse...
A student researcher performed a chromatographic separation of caffeine and aspartame. The retention time for caffeine,...
A student researcher performed a chromatographic separation of caffeine and aspartame. The retention time for caffeine, is, was found to be 218.0 s with a baseline peak width, wc, of 14.4 s. The retention time for aspartame, 1., was 250.5 s with a baseline peak width, w of 21.1 s. The retention time for the unretained solvent methanol was 40.4 s. Calculate the average plate height, H, in micrometers for this separation, given that it was performed on a 27.7...
need help with number 2 HW #3 for Chem 318 Due: April 29, 2019 1. Solute A has a K 2.5 for an extraction between water (phase 1) and chloroform (phase 2). If 100 mL of a 0.01 fraction will be extr...
need help with number 2
HW #3 for Chem 318 Due: April 29, 2019 1. Solute A has a K 2.5 for an extraction between water (phase 1) and chloroform (phase 2). If 100 mL of a 0.01 fraction will be extracted? For the same solute and, what fraction will be extracted if 5 extractions wi 80 mL chloroform each are used (instead of one 400 ml extraction)? M solution containing solute A in water is extracted one time with...
The table contains data for a liquid chromatography separation of four compounds, A, B, C, and D, on a 40.0 cm column Retention Compound time (min) Width at the base (min) A 5.17 0.436 B 1.02 13.0 15.0 C 1.10 23.4 1.91 Calculate the number of theoretical plates, N, for each peak. NA NB Nc ND = What is the average number of theoretical plates, Navg, for Navg the column? What is the plate height, H, for the column? Н-...
Consider a separation performed on a 45.0 mm long open tubular column with a 0.50 mm diameter, and a 2.0 um thick stationary phase. Compound A eluted at 12.41 min, compound B eluted at 13.34 min, and the unretained solvent eluted at 1.130 min. What are the adjusted retention times, t, and retention factors, k, for compounds A and B? Number Number min Number Number min rB What is the relative retention, a, for this separation? Number roll down to...
Consider the data below for a liquid chromatography separation of four compounds, A, B, C, and D on a 45.0 cm column. Calculate the number of theoretical plates, N, for each peak. Retention Width at the Time (min) Base (min) 5.24 0.424 Number Number 12.8 1.08 NA = II 14.2 1.12 D 24.1 1.85 Number Number NB = 10 N= What is the average number of theoretical plates, Navg, for the column? Number Navy = avg What is the plate...
Check An 5 of 26 > Two isotopic compounds are produced in the synthesis of a new therapeutic drug, which must be separated by repeated chromatography cycles. In each cycle, the solution containing both compounds passes through a chromatography column with a length L 25.0 cm containing N theoretical plates. The unadjusted relative retention is y = 1.042 Calculate the number of theoretical plates, N, in the column of length L. The observed resolution is 1.84 after 19 cycles N-...
A student researcher performed a chromatographic separation of caffeine and aspartame. The retention time for caffeine, lc, was found to be 203.8 s with a baseline peak width, wc, of 13.8 s. The retention time for aspartame, ta, was 272.4 s with a baseline peak width, wa, of 21.5 s. The retention time for the unretained solvent methanol was 43.7 s Calculate the average plate height, H, in micrometers for this separation, given that it was performed on a 22.7...
Two isotopic compounds are produced in the synthesis of a new therapeutic drug, which must be separated by repeated chromatography cycles. In each cycle, the solution containing both compounds passes through a chromatography column with a length L = 45.0 cm containing N theoretical plates. The unadjusted relative retention is y = 1.098. Calculate the number of theoretical plates, N. in the column of length L. The observed resolution is 1.82 after 14 cycles. plates Calculate the height of an...
Chromatograms of compounds A and B were obtained at the same
flowrate with two columns of equal length. The Value of tm is 1.3
min in both cases.
Chromatograms
of compounds A and B were obtained at the same flow rate with two
columns of equal length. The value of
tm is
1.3 min in both cases.
I Column 1 Column 2 12 10 Time What is the numcrical valac of the nenn factor of pak A what isthemererkal valse...
A student researcher performed a chromatographic separation of caffeine and aspartame. The retention time for caffeine, is, was found to be 218.0 s with a baseline peak width, wc, of 14.4 s. The retention time for aspartame, 1., was 250.5 s with a baseline peak width, w of 21.1 s. The retention time for the unretained solvent methanol was 40.4 s. Calculate the average plate height, H, in micrometers for this separation, given that it was performed on a 27.7...
need help with number 2
HW #3 for Chem 318 Due: April 29, 2019 1. Solute A has a K 2.5 for an extraction between water (phase 1) and chloroform (phase 2). If 100 mL of a 0.01 fraction will be extracted? For the same solute and, what fraction will be extracted if 5 extractions wi 80 mL chloroform each are used (instead of one 400 ml extraction)? M solution containing solute A in water is extracted one time with...
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