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Last update: OPEKAR (08.01.2003)
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Last update: OPEKAR (03.02.2003)
Návody k úlohám jsou k dispozici v laboratoři a též na adrese: http://prfdec.natur.cuni.cz/~pcoufal |
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Last update: OPEKAR (03.02.2003)
One week laboratory course Problems to solve:
A) Qualitative analysis
1) A sample solution contains one unknown cation. Identify it.
2) A sample solution contains one unknown anion. Identify it.
3) Identify a sample of unknown solid anorganic compound.
B) Quantitative analysis
4) Gravimetric determination of aluminium or nickel in a sample solution.
5) Determination of water hardness by EDTA titration in synthetic sample and real sample of drinkable water (visual indication).
6) Determination of ascorbic acid (vitamin C) in a solid sample by iodometric titration with potentiometric indication.
7) Determination of percentage ratio of potassium chloride and potassium iodide in a solid sample by argentometric titration vith potentiometric indication.
8) Determination of nitrate ions in a sample solution by ion selective electrode. Calibration - calibration graph method.
9) Spectrophotometric determination of iron in a sample solution. Calibration - standard addition method.
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