Thin layer Chromatography (TLC) :- TLC is method of analysis in which the stationary phase is spread as a thin layer on a rigid supporting plate. The mobile phase a liquid is allowed to migrate across the stationary of plate. […]
Oxygen flask combustion :- Wolfgang schoniger is the chemist who first proposed this method in 1955. Oxygen flask combustion method has been used to determine of sulfur & Halogen in medicine. Apparatus :- The apparatus consists of heavy walled conical , deeply liped […]
Woodward fieser rule :- In 1945 Robert Burns wood ward gave certain rule for correlating λmax with molecular structure. In 1959 Louis Frederick Fieser modified these rules with more experimental data and the modified rule is known as wood ward fischer […]
NUMBER OF SIGNAL IN NMR :- The number of signal in the NMR spectrum give the information about proton(hydrogen) arrangement in a molecule. Each signal of NMR give information about each proton set. Molecules give 1 nmr signal like benzene, […]
Application and IR frequency :- 1. To study of the polymer. 2. To find out the cis – trans ratio in a mixture of compound. 3. To detected impurity in sample 4. To identify drug structure. 5. In quantity analysis. […]
INSTRUMENTATION OF UV-VISIBLE SPECTROSCOPY :- Radiation source Monochromator COLLIMATING SYSTEM Filter Sample cell Detector Sample cell :- Sample cell are used to hold a sample solution. The material of sample cell should not absorb at the wavelength being observed. Sample […]
INTRODUCTION: 1.) Leprosy is also called Hansen’s disease. 2.) Leprosy was first discovered by a scientist named Hansen in the year 1874 by discovering its causative agent. 3.) In leprosy mainly cooler body parts of the patient are affected. 4.) […]
LUNGS These are the two cone shaped organs present in the thoracic cavity which are separated by other structures present in the mediastinum. Even if one lung collapses due to some trauma the other lung remain expanded. The lungs are […]
Chlordiazepoxide IUPAC nomenclature 7-Chloro-2-methylamino-5-phenyl-3H-1,4-benzodiazepine-4-oxide Classification Chlordiazepoxide is a benzodiazepine sedative-hypnotic. Physiochemical Properties S. NO. PHYSICAL AND CHEMICAL PROPERTIES 1 Molecular weight 299.75 g/mol 2 Physical appearance Yellow crystalline powder; yellow plates from ethanol 3 Melting point 236.2°C 4 Octanol/water […]