Glasswares and Plasticwares Flashcards
High resistance with THERMAL SHOCK and CHEMICAL ATTACK
Low Alkali Content
Borosilicate Glass
(Kimax, Pyrex)
Most commonly used
Used for Most Beakers, Flasks, Pipets
Borosilicate Glass
(Kimax, Pyrex)
6 times stronger than borosilicate
Aluminosilicate Glass (Corex)
Acid Resistant
Vycor (Corning)
Alkali Resistant ; Poor Heat Resistance
Boron free / Soft Glass
High-precision analytic work
Optical reflectors
Mirrors
High-Silica
used for disposable glasswares
contains sodium, silicon, calcium
Flint glass
Decreased exposure to light (Bilirubin)
Low Actinic
PLASTICWARES:
Can be autoclaved
Used for Pipets, Test tube
Polypropylene
PLASTICWARES:
Cannot be autoclaved
Disposable pipets, test tubes, test tube rack
Polyethylene
PLASTICWARES:
Resistant to shattering
Centrifuged tubes, Graduated Cylinder
Polycarbonate
PLASTICWARES:
Will crack and Splinter
Test tubes, Graduated Tube
Polystyrene
PLASTICWARES:
Soft/Flexible but POROUS
Used as TUBING
Polyvinyl Chloride
PLASTICWARES:
Extremely inert
Excellent temperature tolerance
Chemical Resistance
Teflon
