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PPT - Spectrophotometric Determination of Iron Using 1,10-Phenanthroline PowerPoint Presentation - ID:6596266

PPT - Spectrophotometric Determination of Iron Using 1,10-Phenanthroline PowerPoint Presentation - ID:6596266

已浏览 673 次2014年11月27日

[Hot Item] 1, 10-Phenanthroline Hydrate 5144-89-8

[Hot Item] 1, 10-Phenanthroline Hydrate 5144-89-8

11 个月之前

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[Hot Item] 1, 10-Phenanthroline Hydrochloride Monohydrate in High Purity CAS 66-71-7

[Hot Item] 1, 10-Phenanthroline Hydrochloride Monohydrate in High Purity CAS 66-71-7

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[Hot Item] Low Price with Good Quality 4, 7-Diphenyl-1, 10-Phenanthroline Disulfonic Acid (Bathophenanthrolinedisulfonic acid) CAS 53744-42-6

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Buy Chemetrics K-6010, CHEMets Iron (total and soluble), Visual Kit

Buy Chemetrics K-6010, CHEMets Iron (total and soluble), Visual Kit

SOLVED: The complex formed Cu(ll) and 1,10 Phenanthroline line has a molar absorptivity of 6.94x 103 Lcm-1at 435 nm, the wavelength of maximum absorption:Calculate:a) the absorbance of an8.50x 10-5 [ Msolution of the complex when measured in a 1.00 cm cell at 435nmb) the percent transmittance of the solution in (a):c) the concentration of a solution that in a 5.00 cm cell has the same absorbance as the solution in (a):d) the path length through a 3.40 x10-5 Msolution of the same solution in (a):

SOLVED: The complex formed Cu(ll) and 1,10 Phenanthroline line has a molar absorptivity of 6.94x 103 Lcm-1at 435 nm, the wavelength of maximum absorption:Calculate:a) the absorbance of an8.50x 10-5 [ Msolution of the complex when measured in a 1.00 cm cell at 435nmb) the percent transmittance of the solution in (a):c) the concentration of a solution that in a 5.00 cm cell has the same absorbance as the solution in (a):d) the path length through a 3.40 x10-5 Msolution of the same solution in (a):

2021年10月24日

SOLVED: The complex formed Culll) and 1,10 Phenanthroline line has a molar absorptivity of 6.94 X 103 Lcm-1at 435 nm; the wavelength of maximum absorption;Calculate:a) the absorbance ofan 8.50 X 10 SM solution of the complex when measured ina L00 cm cell at 435 nm;b) the percent transmittance of the solution in (a):c) the concentration ofa solution that in a 5.00 cm cell has the same absorbance as the solution in (a. d) the path length through a 3.40 x1O-S M solution of the same solution in (a):

SOLVED: The complex formed Culll) and 1,10 Phenanthroline line has a molar absorptivity of 6.94 X 103 Lcm-1at 435 nm; the wavelength of maximum absorption;Calculate:a) the absorbance ofan 8.50 X 10 SM solution of the complex when measured ina L00 cm cell at 435 nm;b) the percent transmittance of the solution in (a):c) the concentration ofa solution that in a 5.00 cm cell has the same absorbance as the solution in (a. d) the path length through a 3.40 x1O-S M solution of the same solution in (a):

2021年10月8日

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SOLVED: A standard solution was put through appropriate dilutions to give the concentrations of iron shown next. The iron(II)-1,10 phenanthroline complex was then formed in 25.0 mL aliquots of these solutions, following which each was diluted to 50.0 mL. The following absorbances (1.00 cm cell) were recorded at 510 nm: (Use spreadsheet like "Excel".)Fe(II) concentration; ppm 4.00Asio0.760 0.390 0.63010.016.024.00.950320T26o40.01.580Plot a calibration curve from these data.(b) Use the method of l

已浏览 101 次2021年10月22日

the complex fel2x2 where l 110 phenanthroline and x thiocyanate gives a magnetic moment mt 30 cm3 mol 1 k at stp but is diamagnetic at 150 k i draw all the possible isomers of the complex ii explain t

2022年2月3日

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SOLVED: The complex formed between Cu(I) and 1,10-phenanthroline has a molar absorptivity of 7000 L cm^2 mol^-1 at 435 nm, the wavelength of maximum absorption. Calculate:(a) the absorbance of a 6.17 x 10^-5 M solution of the complex when measured in a 1.00-cm cell at 435 nm.(b) the percent transmittance of the solution in (a).(c) the concentration of a solution that in a 5.00-cm cell has the same absorbance as the solution in (a).(d) the path length through a 3.13 x 10^-5 M solution of the comp

2021年8月20日

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Iron(II) is determined spectrophotometrically by reacting with 1,10 -phenanthroline to produce a complex that absorbs strongly at 510 nm. A stock standard iron(II) solution is prepared by dissolving 0.0702 g ferrous ammonium sulfate, Fe(NH4)2 SO4 ·6 H2 O, in water in a 1-L volumetric flask, adding 2.5 mL H2 SO4, and diluting to volume. A series of working standards is prepared by transferring 1.00-, 2.00-, 5.00-, and 10.00-mL aliquots of the stock solution to separate 100-mL volumetric flasks a

2021年1月23日

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SOLVED: Explain the reasons behind adding hydroquinone and 1,10-phenanthroline in the spectrophotometric determination of iron in a vitamin tablet. You boiled the iron tablet inside the hood, do you know why?

2021年10月22日

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