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Types of chromatography- Purification of organic compounds
Depending on the nature of the stationary and the mobile phases, the different types of chromatographic methods generally used are in a given table,
Column chromatography or adsorption
Liquid/Solid
Large scale separations
Thin-layer chromatography
Qualitative analysis (identification and characterization of organic compounds)
High performance liquid chromatography
Qualitative and quantitative analysis
Gas-liquid chromatography (GLC)
Gas/Liquid
Partition chromatography or ascending paper chromatography
Liquid/Liquid
Qualitative and quantitative analysis of polar organic compounds (sugars, α-amino acids and inorganic compounds)
It is constant for a specific substance (component) within a given set of conditions. Hence, it is possible to identify the several components by determining their Rf values.
Highest melting point would be of: (1) He (2) CsCl (3) NH 3 (4) CHCl 3 Ans: CsCl
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Charectaristic of covalent bond
According to heisenberg uncertainty principle: (1) E=mc 2 (2) Δ x × Δp ≥ h/ 4 Π (3)γ = h/ p (4) Δ x × Δ = h / 6 Π Norma
Electrolysis of Water in the Presence of an Indicator • Place ~ 50 mL of the thawed cabbage juice in the same glass container (after rinsing) used in Step 1. • Insert the ele
Q. Classification of emulsifiers? Emulsifiers can be classified under two categories. These are: • Natural: These are naturally present in foods. Some examples are phosphol
Electrolysis of Water in the Presence of an Indicator • Place ~ 50 mL of the thawed cabbage juice in the same glass container (after rinsing) used in Step 1. • Insert the electro
Electroanalytical technique: An electroanalytical technique is based on the measurement of one or more electrical quantities and their magnitudes could be correlated with the
applications of potentiometry
Carboxylic group,amino group,ester group,amide group group are key functional groups in aspartame although phenol is present it is not a functional group.
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