Physical methods: filter sterilization Flashcards

1
Q

Filtration avoids the use of

A

heat on

sensitive liquids and gases

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2
Q

pores of silter are too small for ?

A

organisms to pass through

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3
Q

pores allow ?

A

liquid or gas to pass through

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4
Q

Depth filters is made of

A

Fibrous sheet or mat made from an

array of fiber (paper or glass).

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5
Q

Depth filters are used to sterilize

A

liquid and air

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6
Q

some depht filters are also called HEPA filters,HEPA ?

A

high-efficiency particulate air filter

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7
Q

even if HEPA takes out 99.9% bacterias is doesn’t?

A

ensure sterilization

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8
Q

3 kind of filters?

A
  • Depth filter

- Membrane filter

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9
Q

Membrane filters functions more like a ?

A

sieve

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10
Q

a type of membrane filter is the?

A

nucleation track (nucleopore) filter

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11
Q

filtration speed can be increased by?

A

syringe,pump or vacuum

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12
Q

if u don’t have much to sterilize u can use an?

A

syringe plus filter

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13
Q

if u have a lot ?

A

use a pump ta pumps it into a sterile bottler but it pases through a filter before

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