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CC LAB > MAJOR TYPES OF RESIN USED IN CLIN. CHEM LAB > Flashcards

MAJOR TYPES OF RESIN USED IN CLIN. CHEM LAB Flashcards

1
Q

Rigid
Clear type

A

Polystyrene

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2
Q

T or F |Polysterene should not to be autoclaved – cannot handle high temperatures

A

TRUE

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3
Q

Not resistant to most hydrocarbons, ketones, and ROH (alcohols)

A

Polysterene

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4
Q

Examples of Polysterene in lab

A

Capped graduated tubes and test tubes

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5
Q

Examples of Polysterene in non lab setting

A

Styrofoam

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6
Q

Primary constituent of pipet tips

A

Polypropylene

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7
Q

Reagents may be strong acids because the pipet tips can withstand extreme pH

What plastic is used?

A

Polypropylene

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8
Q

Flexible or rigid
Chemical-resistant
Can be autoclaved

A

Polypropylene

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9
Q

Plastic used for cryogenic procedures

A

Polypropylene

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10
Q

Specially formulated to withstand temp down to -190*C

A

Polypropylene

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11
Q

Examples of propylene in lab

A

Specimen tubes and test tubes

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12
Q

Examples of propylene in non lab

A

Plastic food containers
Expandable folders
CD plastic case

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13
Q

Not suitable when using picric acid, stains, dyes, and proteins

A

Polyethylene

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14
Q

the binding capacity of_______ towards proteins, dyes, stains, and even picric acid – and its tendency to bind or absorb the ff substances, it could cause inaccuracy of the reading, thus not suitable in certain procedures

A

polyethylene

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15
Q

Examples of polyethylene in lab

A

Test tubes
Bottles
Graduated tubes
Stoppers

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16
Q

Examples of polyethylene in non lab

A

Balls for ball pit
Cling wrap
Microwavable plastic
Polyethylene foam wrap

17
Q

very strong plastic but not chemically-resistant – strong acids, strong bases, and oxidizing agents

A

Polycarbonate

18
Q

Autoclavable but with limitations

A

Polycarbonate

19
Q

Usable temp. range of polycarbonate :

A

-100C to +160C

20
Q

Polycarbonate in lab

A

Tubes for centrifugation
Graduated cylinders
Flasks

21
Q

Polycarbonate in non lab

A

Polycarbonate roofing sheet

22
Q

Almost chemically-inert
Chemical-resistant

A

Teflon

23
Q

Suitable work temp. Of teflon

A

@ -73C to 204C

24
Q

Teflon in lab

A

Stirring rods
Tubing
Cryogenic vials
Bottle cap lines
Mixer

25
Q

Teflon in non lab

A

Non-stick pan
Teflon tape [or Polytetrafluoroethylene (PTFE), Thread, Plumber’s tape]

26
Q

= not chemically reactive; does NOT participate in chemical rxns

A

Chemically-inert

27
Q

= able to resist/withstand chemical attacks

A

Chemical-resistant

28
Q

Polystyrene is not resistant to

A

Hydrocarbons
Ketones
Alcohols

29
Q

Specimen tubes and test tubes

A

Polypropylene

CC LAB (46 decks)

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