Micromeritics Flashcards

0
Q

Micromeritics can influence 3 things mentioned by Arnold

A

Manufacturing
Efficacy
Content uniformity

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1
Q

_______ is the science of small particles,bring together information on particle size measurement, size distribution and packing arrangement,

A

Micromeritics

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2
Q

Smaller the particle size, more efficacious due to better _____ property

A

Dissolving

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3
Q

Define medicated powder

A

Drug plus excipients intended for internal or external uses

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4
Q

Granules are ______ of powder materials

A

Agglomeration

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5
Q

In sieving, sieves with different meshing opening size lay on top of each other, the mesh size gets progressively _____ as you go from top to bottom

A

Smaller

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6
Q

In a frequency distribution plot, sieve is represented by ________ and microscopy is represented by ________

A

Weight distribution

Number distribution

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7
Q

The higher the _____, the worse the flow

A

Angle of repose

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8
Q

Name 3 properties that determine the efficiency of filling equipment used in manufacturing process and the size of the container to use for the finished product.

A

Porosity
Volume
Density

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9
Q

_____ is the empty space between the particle

A

Porosity

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10
Q

Powder of uniform-sized sphere can assume either one of two packing arrangement:

A

Rhombohedral packing

Cubic packing

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11
Q

Void equation

A

(Vbulk - true volume) / (Vbulk)

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12
Q

Porosity equation

A

Void x 100

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13
Q

Density equation

A

Mass (weight) / volume

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14
Q

Apparent density and true density equation

A

Weight of sample / Vbulk

Weight of sample / V

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