Spectroscopy

Here you can read a comprehensive explanation of UV-Vis spectroscopy:

http://www.chemguide.co.uk/analysis/uvvisiblemenu.html#top


Why are complex ions of transition metals and many organic molecules coloured? You can read on these two sites:


http://www.chemguide.co.uk/inorganic/complexions/colour.html

http://www.cem.msu.edu/~reusch/VirtualText/Spectrpy/UV-Vis/spectrum.htm

Mass spectrometry is a powerful technique to determine the relative atomic masses:
http://www.colby.edu/chemistry/OChem/DEMOS/MassSpec.html
http://www2.chemistry.msu.edu/faculty/reusch/VirtTxtJml/Spectrpy/MassSpec/masspec1.htm#ms1

Here are some videos from Royal Society of Chemistry about different spectroscopic techniques:

http://www.youtube.com/watch?v=DDTIJgIh86E&feature=relmfu
l

Atomic absorption spectroscopy (AAS) used to determine low concentration of metal ions:

http://www.youtube.com/watch?v=L3OFSJ8ZHog&feature=related

http://www.easychem.com.au/monitoring-and-management/manufactured-products/atomic-absorption-spectroscopy-aas

Isomerism

You can enlarge your understanding about isomerism visiting the following site:

http://www.chemguide.co.uk/basicorg/isomermenu.html#top


You can exercise on optical isomerism if you follow the link:

http://scholar.hw.ac.uk/site/chemistry/topic5.asp?outline=no

http://www.wiredchemist.com/chemistry/instructional/intro_chem_geometric.html

Why is optical isomerism important for the biological systems?

http://dl.clackamas.edu/ch106-07/optical.htm

Acids and bases

You can revise here the two theories about acids and bases:

http://www.chemguide.co.uk/physical/acideqiamenu.html#top

Analytical methods

You can consult these sites about the three analytical methods mostly used for analysing the sample - Mass spectroscopy, IR - and NMR - spectroscopy:
http://www2.chemistry.msu.edu/faculty/reusch/VirtTxtJml/Spectrpy/spectro.htm
http://orgchem.colorado.edu/hndbksupport/ochemlabtech.html

http://www.chemguide.co.uk/analysismenu.html#top

http://www.rod.beavon.clara.net/spectra.htm

http://www.chem.ucalgary.ca/courses/351/Carey/Ch13/ch13-0.html
Look at this site to see how a mixture of proteins is separated by Affinity chromatography:

http://www.bio.davidson.edu/courses/genomics/method/Affinity.html

Using the HPLC chromatography:

http://www.youtube.com/watch?v=kz_egMtdnL4&list=PLnu__ug2a65zD8fzKPq9uePcFGCtb3Cxl