DEFINITION OF TERMS Flashcards

1
Q

A branch of science that studies the interaction between electromagnetic radiation and matter.

A

Spectroscopy

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2
Q

A procedure by which solutes are separated by a differential migration process in a system consisting of 2 or more phases

A

Chromatography

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3
Q

The SP is a solid on which the sample is adsorbed while the MP may be a liquid or a gas

A

Adsorption chromatography

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4
Q
  • Based on partition between 2 immiscible solvents
  • Both SP and MP are in liquid form
A

Partition chromatography

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5
Q
  • SP: water molecules bound to the cellulose of the filter paper
  • MP: nonpolar or hydrophobic solvent
A

Paper chromatography

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6
Q

Used for the separation of charged molecules (ion) based their binding to fixed charges on a support

A

Ion-exchange chromatography

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7
Q

SP: employs either a cationic or an anionic exchanger which is capable of exchanging counter ions in the surrounding
medium in a reversible process

A

Ion-exchange chromatography

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8
Q

Molecules are separated according to their size by their ability to penetrate a sieve-like structure

A

Permeation chromatography

Ex: Size Exclusion Chromatography

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9
Q

Utilized highly specific interactions between one kind of solute molecule and a second molecule covalently attached to the SP

A

Affinity chromatography

Ex: protein affinity chromatography

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10
Q

Give the temperature equivalence

A
  • Very dull red 500-550
  • Dull red 550-700
  • Bright red 800-1000
  • Yellow red 1000-1200
  • White 1200-1600
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11
Q

USP Method I for Iodine value

A

Hanus Method - Iodobromide TS

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12
Q

USP Method II for Iodine value

A

Wijs Method- Iodochloride TS

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13
Q

Unofficial Method for Iodine value

A

Hubl Method - HgCl2 + I2

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14
Q

Conversion of Organic N into NH4+ by adding H2SO4

A

Digestion

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15
Q

Conversion of NH4+ into ammonia

A

Distillation

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16
Q

Titrating with sulfuric acid

A

Titration