CH0424E01
Borosilicate Glass Erlenmeyer Flask, 200 ml, 50 ml Graduations, Autoclavable

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  • 200 ml borosilicate flask
  • 50 ml graduations
  • Made from high quality 3.3 borosilicate glass
  • Low temperature gradient - can withstand high temperatures and thermal shocks*
  • Superior chemical durability*
  • Narrow Neck
  • Autoclavable at 121°C
  • Complies with DIN ISO 1773
*See specifications tab for temperature and chemical durability information
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    Material3.3 Borocilicate Glass
    Capacity200 ml
    Graduations50 ml
    Thermal Properties
    Coefficient of Linear Expansion32.5 x 10⁻⁷ / C°
    Strain Point515°C
    Annealing Point565°C
    Softening Point820°C
    Specific Heat0.2
    Thermal Conductivity (Cal/cm3°C/Sec)0.0027
    Chemical Durability
    Contact Chemical Duration (hours)Loss in weight (mg/m²)
    Water distilled at 100°C610
    Water vapour steam at 121°C175
    Acid HCl6100
    80% H₂SO₄ at 130°C12140
    Alkali -1N solution of Na₂CO₃ boiling64000
    Isotonic infusion Fluids
    NaCl (0.85%) at 121°C2.570_x000D_
    Glucose (5%) at 121°C2.550
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