Unit 19 Practical Chemical Analysis (unit19 A3)

this is unit 19 A part 2 . it up to distinction level . it includes : Practical 2: determine the iron content of an iron tablet. Part 1: standardisation of potassium permanganate with sodium oxalate solution. Part 2: determine the concentration of iron by titrating potassium permanganate solution against an unknown conc of iron sulphate made from iron sulphate tablets and sulfuric acid.

19C: Investigate chromatographic techniques to identify components and determine the amounts present in samples.

Task3: How could HPLC be developed. Discuss how a HPLC method could be developed to determine the amount of a specific sugar molecule in a sugar mixture Task 4: How to optimize separation.

Task 2: How to identify analytes using GC and HPLC

this is unit 19 A part 1 . it is distinction level graded by my teacher . this will cover : Practical 1: determine the copper content in brass. Part 1: make the brass solution. Part 2: make a series dilution of copper nitrate and then ran all samples through the colorimeter.

this covers spectrometer and the related practical . it up to distinction level

this is part 5 of unit 19 B . it up to distinction level it covers Infrared Spectroscopy.

HPLC Chromatograms

this cover unit 19B part 3 . it up to distinction level Section 3: Determine empirical and molecular formulae from percentage elemental composition data and mass spectra.