CH0479D
Glass Squibb Separatory Funnel with PTFE Key Stopcock and Interchangeable Polypropylene Stopper, 500 ml, Autoclavable

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  • 500 ml Squibb separatory funnel with PTFE key stopcock
  • Graduated and non-graduated versions available
  • Made from high quality 3.3 borosilicate glass
  • Includes interchangeable polypropylene stopper
  • Stopper is chemical and acid resistant
  • 24/29 socket size
  • Low temperature gradient - can withstand high temperatures and thermal shocks*
  • Superior chemical durability*
  • Autoclavable at 121°C
*See specifications tab for temperature and chemical durability information
    Material 3.3 Borosilicate Glass
    Capacity 500 ml
    Socket Size 26/29
    Graduations 50 ml
    Thermal Properties
    Coefficient of Linear Expansion 32.5 x 107 / °C
    Strain Point -515°C
    Annealing Point 565°C
    Softening Point 820°C
    Specific Heat 0.2
    Thermal Conductivity (Cal/cm3°C/Sec) 0.0027
    Chemical Durability
    Contact Chemical (mg/m2) Duration (hours) Loss in weight
    Water distilled at 100°C 6 10
    Water vapour steam at 121°C 1 75
    Acid HCl 6 100
    80% H2SO4 at 130°C 12 140
    Alkali -1N solution of Na2CO3 boiling 6 400
    Isotonic infusion Fluids
    NaCl (0.85%) at 121°C 2.5 70
    Glucose (5%) at 121°C 2.5 50