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NMR SPECTROSCOPY : Basic Terms and Defination

Basic terms of NMR SPECTROSCOPY 1. Proton :- IT is a positive charge particle that present in nuclei of any molecule. 2. NMR SPECTROSCOPY :- when EMR are applied in any sample in presence of magnetic field. So that sample […]

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Instrumentation of UV-Visible Spectroscopy Part-2 and Question Answer based on it

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 […]

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Kjeldahl Method of Nitrogen Estimation Procedure and MCQ for Competitive Exams

Kjeldahl Method of Nitrogen Estimation :- Kjeldahl Method is Used to determination of amount of Nitrogen in given sample. It is official method. It is also used to determine nitrogen content in food , soft drinks, and calculation of protein. […]

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ATAZANAVIR Synthesis, SAR, MCQ,Structure,Chemical Properties and Therapeutic Uses

Atazanavir IUPAC nomenclature Methyl N-[(1S)-1-{[(2S,3S)-3-hydroxy-4-[(2S)-2-[(methoxycarbonyl)amino]-3,3-dimethyl-N’-{[4-(pyridin-2-yl)phenyl]methyl}butanehydrazido]-1-phenylbutan-2-yl]carbamoyl}-2,2-dimethylpropyl]carbamate Classification Atazanavir is an HIV protease inhibitor.   Physiochemical Properties S. NO. PHYSICAL AND CHEMICAL PROPERTIES 1 Molecular weight 704.9 g/mol 2 Physical appearance Solid 3 Melting point ~200°C 4 Solubility 0.11 mg/L in water 5 […]

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