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PH 105 > LEC1 > Flashcards

LEC1 Flashcards

1
Q

nature of sample

A

physical
chemical
biological

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1
Q

The process of a quantitative determination of a chemical substance from a given sample.

A

assay

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2
Q

size of sample

A

macroanalysis
semi-macroanalysis
microanalysis
submicroanalysis
ultramicroanalysis

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3
Q

extent of analysis

A

proximate
ultimate
partial

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4
Q

instruments, device

A

physical

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5
Q

reagents, compounds, substances

A

chemical

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6
Q

living organisms, urine, animals, microorganisms,

A

biological

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7
Q

0.1g or more

A

macroanalysis

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8
Q

0.1g - 1g

A

semi-macroanalysis

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9
Q

0.01 g- 0.1g

A

microanalysis

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10
Q

0.001 g - 0.01 g

A

submicroanalysis

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11
Q

<0.001g

A

ultramicroanalysis

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12
Q

amount of each element in a sample is determined

A

proximate

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13
Q

the percent of extractive from a crude drug represents a SINGLE CHEMICAL SPECIES

A

ultimate

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14
Q

determines selected constituents in the sample

A

partial

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15
Q

The sum total of the organised arrangements made with the object of ensuring that all APIs are of the quality required for their intended use and that quality systems are maintained (PIC/s cGMP 2018)

A

Quality Assurance

16
Q
  • Checking or testing that specifications are met (PIC/s cGMP 2018)
  • Ensures the safety, efficacy, stability and purity of raw materials and drug products.
A

quality control

17
Q

branch of practical chemistry that involves a series of processes for:
* identification, determination, quantification and purification of a substance;
* separation of the components of a solution or mixture; or
* determination of structure of chemical compounds.

A

Pharmaceutical Analysis

18
Q
  • commonly involves analyses of raw materials, active pharmaceutical intermediates, ingredients excipients, (API’s), pharmaceutical substances and finished products.
  • Pharmacopeia methods are performed according to the European Pharmacopoeia, the United States Pharmacopeia (USP), the British Pharmacopoeia, and the Japanese Pharmacopoeia among others.
A

Pharmaceutical Analysis

19
Q

Classification of Analytical Methods TECHNIQUES

A

separation
qualitative analysis
quantitative analysis

20
Q

Separation

A

Precipitation, extraction, distillation

Chromatography, electrophoresis

21
Q

Qualitative Analysis

A

Chemical tests, b.p., m.p., solubility, odor, optical activity, refractive index

UV/Vis spectrometry, infrared spectrometry, MS, NMR spectrometry

22
Q

Quantitative Analysis

A

Titrimetry, gravimetry,
coulometry

Potentiometry, voltammetry, spectrophotometry, AAS, thermometric methods, kinetic methods

23
Q

Securing or getting a representative sample from a given population
*Depends on material and quantity

A

sampling

24
Q
  • Aka Random Error
  • Uncontrolled variable
  • Inherent error (always present and cannot be corrected)
  • Intangible
A

indeterminate error

25
Q
  • Systematic Error
  • Flaw in equipment or design of the experiment
A

determinate error

26
Q

*Reproducibility of the result
*Usually expressed as average deviation, standard deviation or range.
*Standard Deviation
*Relative Standard Deviation (or Coefficient of Variation)
*Range –difference between the largest and smallest
value.

A

precision

27
Q

*describes how close a measured value is to the “true” value

A

accuracy

28
Q

Difference between the mean value and true value

A

Absolute Error

29
Q

Absolute error divided by the true value

A

Relative Error

30
Q

measuring the volume of
known concentration needed to react with analyte

A

Volumetric titrations

31
Q

mass instead of volume

A

Gravimetric titrations

32
Q

measure time required for complete electrochemical reaction

A

Coulometric titrations

33
Q
A

PH 105 (1 decks)

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