PHARMACEUTICAL
ANALYSIS
By Pharmacist: Pawan Dhamala
Principal of Analytical Methods
Absorption Methods: Atomic Absorption Method, Ultraviolet & Visible
Method, IR
Emission Methods: Atomic Emission Spectroscopy, Flame
Spectroscopy, Fluorimetry(@ EF)
Base on molecular level
•Atomic spectroscopy: Atomic absorption spectroscopy , Flame
photometry
•Molecular spectroscopy: UV, IR, Fluorimetry
Acid Base Titrations
•Lewis Acid: Electron Acceptor (LA)
•Lewis base : Electron doner
•Bronsted–Lowry concept Acid: Proton doner
•Bronsted–Lowry concept Base: Proton acceptor
•Arrhenius acid: gives H+ ions in water.
•Arrhenius base: gives OH-ions in water.
•Normality:The number of gram equivalentof the solute in 1 Litreof
the solution.
•Molarity:Thenumber of moles of solute per litreof solution.
•Molality:The number of moles of the solute in 1 kg of the solution.
•The colourchange for methyl red is …………………… when PH
changes from acidic to alkaline.
A.Colourlessto pink
B.Yellow to red
C.Red to blue
D.Red to Yellow
Iodine Titration
IoDimetry= Direct method
Iodometry=Indirect method
•The titration of liberated iodine in chemical reaction is know as:
A. Iodometry
B. Iodinometry
C.Iodonometry
D.Iodimetry
NPC LICENSE PAST QUESTION
Indicators of Complex titration
1.Murexide
2.Solochrometitration
3.Calmagite
4.Pyrocatecholviolet
Kjedahalmethod
•Used to determine the nitrogen content is organic and inorganic
substances.
•This method is also used to estimate protein content in food.
The kjedahalmethod is used to determine:
A.Oxygen
B.Sulphur
C.Nitrogen
D.Chlorine
NPC PAST QUESTION
Karl Fischer Titration:
•Used to determine quantity of water present in a given analyte.
The Karl Fischer method is used to determine:
A.Oxygen
B.Sulphur
C.Moisture
D.Chlorine
•Quick identification of a compound is possible with the help
of………..
A.Mass Spectra
B.NMR Spectra
C.IR Spectra
D.UV Spectra
•The vibrational frequency of Amine………
A.3300-3350
B.1720-1740
C.3400-3700
D.1700-1725
NPC PAST QUESTIONS
•Activation time of TLC Plate is……………
A.120-130 degree for 30 min
B.30-40 degree for 1 hrs
C.200 degree for 3 hrs
D.None
•Which of the following is Not a type of detector used in GC?
A.Electron capture detector
B.Thermal conductivity detector
C.UV visible spectrometric detector
D.Photo ionization detector
HPLC DETECTORS
•UV-Visible Spectrometer (most widely used)
•Refractive Index Detector
•Fluorescent Detector
•ConductometricDetector
@ U RFired From Company