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PYREX™ Kjeldahl Flasks

Long necks, round bottoms, substantial walls

Manufacturer: corning incorporated  5440-30

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Catalog No. 10-110B


Description & Specifications


Height (English) With Closure 7.08 in.
Height (Metric) With Closure 18cm
Material Pyrex™ Glass
Bottom Shape Round
Capacity (Metric) 30mL
Diameter (English) Outer 1.57 in.
Diameter (Metric) Outer 40mm
Disposable No
Neck Style Long
Stopper Number 0
Top Style Beaded rim

  • Size 100mL and larger have strong tool-finished mouths
  • 30mL size (neck not tooled) is suited for multiple microdigestion apparatus
  • Avoid contact between flask bottoms and heating elements