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ANCHQQ1 > INTRODUCTION TO ANALYTIC CHEMISTRY > Flashcards

INTRODUCTION TO ANALYTIC CHEMISTRY Flashcards

1
Q

is the branch of chemistry that deals with methods for determining the chemical composition of samples of matter.

A

Analytical chemistry

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2
Q

it is the art and science of determining ______________ (qualitative) and ____________________ (quantitative)

A

what matter is; how much of it exists

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3
Q

is the analysis of material samples to gain an understanding of their ____________, ____________, and __________.

A

chemical composition; structure; function.

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4
Q

The branch of chemistry that deals with the ___________, _____________, and ____________ of components in a sample.

A

separation; identification; determination

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5
Q

Branch of Analytical chemistry that is the determination of chemical identity of the species in the sample.

A

Qualitative Analytical Chemistry

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6
Q

Branch of Analytical chemistry that seeks to establish the presence of a given element or inorganic compound in a sample

A

Qualitative Analytical Chemistry

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7
Q

Branch of analytical chemistry that also seeks to establish the presence of a given functional group or organic compound in a sample.

A

Qualitative analytical chemistry

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8
Q

Branch of analytical chemistry that seeks to establish the amount of a given element or compound in a sample.

A

Quantitative Analytical Chemistry

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9
Q

Branch of analytical chemistry that is the determination of how much a material is present in a sample

A

Quantitative Analytical Chemistry

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10
Q

Chemical analysis which helps in finding the spatial arrangement of atoms in a molecule the presence or position of certain organic functional groups in a given compound

A

Structural analysis

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11
Q

Chemical analysis that plays an important role in material studies to obtain surface related physical properties such as topography, depth profiling, orientation of molecules, etc.

A

Surface analysis

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12
Q

Tools by analytical targets

A

-Bioanalytical chemistry
-Material analysis
-Chemical analysis
-Environmental analysis
-Forensics

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13
Q

Tools by analytical methods

A

-Spectroscopy
-Mass Spectrometry
-Chromatography
-Electrophoresis
-Crystallography
-Microscopy
-Electrochemistry
-X-ray Techniques
-Miscellaneous Techniques

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14
Q

Traditional analytical technique that involves the addition of a reactant to a solution being analyzed until some equivalence point is reached.

A

Titration

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15
Q

Traditional analytical technique that involves determining the amount of material present by weighing the sample before and/or after some transformation.

A

Gravimetric analysis

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16
Q

generally refers to a systematic scheme to confirm the presence of certain, usually aqueous, ions or elements by performing a series of reactions that eliminate ranges of possibilities and then confirms suspected ions with a confirming test.

A

Inorganic qualitative analysis

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17
Q

Example of inorganic qualitative analysis that is one of the oldest and traditional part of qualitative inorganic analysis used to test for the presence of certain metals.

A

Borax Bead Test or Blister Test

18
Q

It was introduced by Berzelius in 1812.

A

Borax Bead Test or Blister Test

19
Q

example of inorganic qualitative analysis that – is used to visually determine the identity of an unknown metal or metalloid ion based on the characteristic color the salt turns the flame of a Bunsen burner

A

Flame Tests

20
Q

two methods of flame tests

A

Classic Wire Loop Method; Wooden Splint or Cotton Swab Method

21
Q

Instrumental analytical techniques that measures the interaction of the molecules with electromagnetic radiation

A

Spectroscopy

22
Q

Instrumental analytical techniques that measures mass-to-charge ratio of molecules using electric and magnetic fields

A

Mass spectrometry

23
Q

Instrumental analytical techniques that is a technique that characterizes the chemical structure of materials at the atomic level by analyzing the diffraction patterns of usually x-rays that have been deflected by atoms in the material

A

Crystallography

24
Q

Instrumental analytical technique that measures the interaction of the material with an electric field

A

Electrochemistry

25
Q

Instrumental analytical techniques that measure the interaction of a material and heat

A

Calorimetry and thermogravimetric analysis

26
Q

these are used to decrease the complexity of material mixtures

A

Separation processes

27
Q

“is the technique in which the components of a mixture are separated based upon the rates at which they are carried or moved through a stationary phase (column) by a gaseous or liquid mobile phase”

A

Chromatography

28
Q

This technique is actually a separation process by applying an electric field.

A

Electrophoresis

29
Q

The visualization of single molecules, single cells, biological tissues and nano-micro materials is very important and attractive approach in analytical science.

A

Microscopy

30
Q

Three categories of microscopy

A

optical microscopy, electron microscopy, and scanning probe microscopy.

31
Q

category of microscopy that is a general term for a wide variety of microscopic techniques, which measure the morphology and properties of surfaces on the atomic scale.

A

Scanning Probe Microscopy

32
Q

Is a Miniaturized analytical instrumentation, which is also called as microfluidics or micro total analysis system (μTAS)

A

Lab-on-a-chip

33
Q

Miscellaneous technique that are used to monitor pollutants in environmental studies by determining the carbon contents of the trace compounds

A

Total Organic Carbon Analyzer (TOC)

34
Q

Miscellaneous technique that is used to estimate percentage compositions of elements like carbon, hydrogen, nitrogen and sulfur present in newly synthesized organic compounds, pharmaceuticals, etc.

A

Elemental Analyzer (CHN/S)

35
Q

Miscellaneous technique that is used to analyze and quantitate optically active compounds like sugar.

A

Polarimetry

36
Q

Miscellaneous techniques that are used to get the structural information of optically active compounds like, amino acids, proteins, etc.

A

UV/Visible Spectropolarimetry (Circular Dichroism (CD) and Optical Rotatory Dispersion (ORD)

37
Q

Importance of analytical chemistry in pharmacy

A
  1. To determine shelf-life of compound.
  2. To determine adulterants.
  3. Drug dissolution studies.
38
Q

Application of analytical chem in agriculture

A
  1. Soil Testing
  2. Water Testing
  3. Harvested Crop Testing
39
Q

Application of analytical chem in environment

A

air condition (pollution), water and soil contents

40
Q

Application of analytical chem in Medical Technology and research

A

-diagnosis

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