Summary: Pharmaceutical Analysis A
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1 Syllabus 44
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Where do we use the volumetric pipet for?
Transfering volume
Volume measurment? -
Where do we use the graduated cylinder for?
Accurately measuring and transferring volumes of liquids -
What is pharmaceutical produc care (compounding) ?
Wether the material is pure and contains the right dose -
What does therapeutic drug monitoring mean? TDM
How much drug is present in the patients blood -
What is analytical chemistry?
Measuring the chemical composition of natural and artificial materials -
What analytical methods are there?
Optical methods ( Polarimetry and refractometry)
Spectrometric methods
Electrochemical analysis
Chromatography
Classical methods ( Gravimetry and Titermetry) -
What is the analytical information is contained within the spectrum?
- the qualitative information in the position of the peaks - the quantitative information in the size of the peaks (area under the peaks). -
2 Warm up questions
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How many grams of CuSO4·5H2O must be dissolved in 500.0 mL of water to obtain a solution that has a concentration of 8.00 mM Cu2+?
Mol = g/mw
g = mol x mw
8 mM = 8 mmol/l = 10^-3 mol/l = 8.10^-3 mol
mw = 249,72 g/mol or 169.72
g= 8.10^-3 x 249,72 = g in 1L
/ 2 = g must be dissolved in 500 ml -
The molarity of concentrated hydrochloric acid (HCl) is 12.1 M. How many mL of this concentrated acid must be diluted to obtain 1.00 L of solution having a 0.100 M concentration of HCl?
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A solution is prepared in a 500.0 mL volumetric flask by dissolving 273 mg of Al2(SO4)3 in dilute HCl and then adding water up to the mark. Calculate the molarity of sulfate ions in this solution.
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