250 ml spherical flask with 3 neck ground-glass 29/32

250ml Spherical Flask, Round Bottom, 3 Necks 29/32

Code: 122.250-R3

250 ml round-bottomed flask with 3 parallel neck connections: 29/32 female standard ground-glass joint.
Spherical bottom glass vessel with long narrow neck.
Made of borosilicate glass ASTM E-438 Type 1, Boron 3.3 of the Glassco brand.
Compliant with DIN 12394 & USP standard.
The diameter of the balloon is 85 mm.
See data sheet for dimensions.

€36.42

€36.42 Tax incl.

€30.10 Tax excl.

Spain 21% VAT; The final tax applicable may vary according to the country of destination.

Description

250ml spherical flask with 3 parallel neck connections, 29/32

Instrument for distillation and boiling processes, for the uniform scalding of the substances contained in it, for sweeping substances, among other uses. Useful instrument to form a laboratory equipment that adapts to the need of the process to be done.
Made of borosilicate glass 3.3 of the Glassco brand.
White silkscreen with writing area.

General properties of borosilicate glass 3.3

This glass is distinguished by its very good chemical resistance to water, salt solutions, acids, bases and organic solvents. It is only attacked by hydrofluoric acid and, at high temperatures, by strong bases and phosphoric acid.

Chemical composition
80.00% Silica; SiO₂
12.50% Boron trioxide; B₂O₃
2.40% of Aluminium oxide; Al₂O₃
3.80% of sodium oxide; Na₂O
1.00% of potassium oxide; K₂O
0.30% of iron oxide; Fe₂O₃

Chemical resistance
Hydrolytic according to DIN 12111 and ISO 719: Class 1
Acid-resistant according to DIN 12116: Class 1
Alkaline according to DIN 52322 and ISO 695: Class 2

Physical properties:
Coefficient of linear expansion: 3.3
Processing temperature: 534° C
Upper annealing temperature: 550° C
Lower annealing temperature: 494° C
Maximum working temperature: 500° C

See all Spherical Flasks

Technical sheet of 250ml Spherical Flask, Round Bottom, 3 Necks 29/32

Code 122.250-R3

Data sheet

Product Type: Spherical Flask, Round Bottom
Capacity: 250 ml
Material: Borosilicate Glass
Neck Finish Recipient: Ground-Glass - Narrow
Inner diameter neck: 29 mm
Body: 85 mm Ø
Standard Ground-Glass Joint: 29/32 (3 outlets)
Body Shape: Spherical Shaped
Neck Shape: Narrow Neck
Rim Shape: Ground-Glass
Bottom Shape: Round Bottom
Height: 145 mm
Graduation: Ungraduated
Suitable for food use: Si
International Standards: DIN 12394 & USP standard
Sale: by Unit

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250ml Spherical Flask, Round Bottom, 3 Necks 29/32

250ml spherical flask with 3 parallel neck connections, 29/32

General properties of borosilicate glass 3.3

Data sheet

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