INSTRUMANTION OF GAS CHROMATOGRAPHY :- carrier gas :- Transmits the sample form the point of introduction through the column to the detector. examples of carrier gas is hydrogen, helium, or nitrogen flow rate is depends upon column i.d.→2mm/min, i.d.→15-20mm/min purification […]
Introduction :- Gas Chromatography is an analytical technique use for separation of thermally stable and volatile substance. In Gas Chromatography the mobile phase is gas and the stationary phase is solid or liquid. Principle :- The principle involved in gas […]
GPAT 2012 MCQ 1. Quanfication of minute quanity of a drug from a complex matrix, without prior separation can be done using one of the following technique . identify that a. coulometry b. potentiometry c.fluorescence spectroscopy d. radio immunoassay 2. […]
MCQ OF GATE 2008 1.In NMR spectrometry the chemical shift is expressed in a. Parts per million b. Gauss c. Tesla d. HERTZ 2. In chromatographic separation the different species in the sample undergo the process of a.chemical interaction b. […]
There are mainly two theory for column Chromatography is 1. Plate Theory 2. Rate Theory Plate Theory :- Plate Theory is given by martin and synge in 1941. Plate Theory is useful for understanding the mechanism of retention and transfer […]
Agonist and Antagonist || What is Agonist & Antagonist || How to Understand || Easy Method
Promazine hydrochloride IUPAC nomenclature N,N-dimethyl-3-phenothiazin-10-ylpropan-1-amine;hydrochloride. Classification Phenothiazine Antipsychotic Antiemetic Physiochemical Properties S. NO. PHYSICAL AND CHEMICAL PROPERTIES 1 Molecular weight 320.9 g/mol 2 Physical appearance Solid 3 Melting point 174-176°C 4 Solubility >48.1 ug/ml 5 Octanol/water partition coefficient logP […]
Risperidone IUPAC nomenclature 3-[2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one. Classification Risperidone is an atypical antipsychotic drug. Physiochemical Properties S. NO. PHYSICAL AND CHEMICAL PROPERTIES 1 Molecular weight 410.5 g/mol 2 Physical appearance White to slightly beige powder 3 Melting point 170°C 4 Solubility Practically […]
Droperidol IUPAC nomenclature 3-[1-[4-(4-fluorophenyl)-4-oxobutyl]-3,6-dihydro-2H-pyridin-4-yl]-1H-benzimidazol-2-one. Classification Droperidol is a buterophenone antipsychotic drug. Physiochemical Properties S. NO. PHYSICAL AND CHEMICAL PROPERTIES 1 Molecular weight 379.4 g/mol 2 Physical appearance White to light tan in color; micro-crystalline or amorphous powder 3 Melting […]
Haloperidol IUPAC nomenclature 4-[4-(4-Chlorophenyl)-4-hydroxypiperidin-1-yl]-1-(4-fluorophenyl)butan-1-one. Classification Haloperidol is a buterophenone antipsychotic drug. Physiochemical Properties S. NO. PHYSICAL AND CHEMICAL PROPERTIES 1 Molecular weight 375.9 g/mol 2 Physical appearance White to faintly yellowish in color; micro-crystalline or amorphous powder 3 Melting […]