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  5. Corning™ PYREX™ Long Neck Kjeldahl Flasks

Corning™ PYREX™ Long Neck Kjeldahl Flasks

Catalog No. p-125430
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Capacity (Metric):
30 mL
100 mL
300 mL
500 mL
800 mL
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Catalog No. Capacity (Metric)
10110B 30 mL
10110E 500 mL
10110G 800 mL
10110D 300 mL
10110C 100 mL
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Catalog No. 10110B Supplier Corning™ Supplier No. 544030
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Description

Long necks, round bottoms, substantial walls

Of all the common laboratory test methods, the Kjeldahl method for determining nitrogen subjects the boiling flask to the most severe thermal and chemical abuse. These Kjeldahl flasks, specially styled, have tooled finished necks for extra strength and uniform stopper fit. Wall thickness is controlled to offer the optimum balance between thermal shock and chemical resistance. Can be used in ASTM E-258 procedure. Care must be taken to ensure the bottoms of the flasks do not come in contact with the heating elements. Most Kjeldahl equipment manufacturers have ring supports for this purpose.



Reference: ASTM E-1377.

Compliance

30mL meets ASTM™ E 147; 100mL and larger meet ASTM E 258 requirements

Specifications

Description Top style: Beaded rim
Diameter (English) Outer 1.57 in.
Capacity (Metric) 30 mL
Material Borosilicate Glass
Height (English) 7.08 in.
Height (Metric) 18 cm
Neck Style Long
No. per Case 18/Cs.
No. per Pack 6/Pk.
Disposable Reusable
Bottom Shape Round
Diameter (Metric) Outer 40 mm
Closure Size 0
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