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You Searched For: Round Bottom Flasks

Specifically shaped for uniform heat distribution, the round bottom flasks are used for distillation, chemical reactions, heating liquid sample, and storage demands. Manufactured from resistant glass, the spherical containers will spread encountered stress evenly across surfaces to prevent fracturing. Built with temperature resistance, the glassware is an essential piece in reflux set-ups. Primarily used for chemical and biochemical research, the round bottom flasks have short or long neck options.

Specifically shaped for uniform heat distribution, the round bottom flasks are used for distillation, chemical reactions, heating liquid sample, and storage demands. Manufactured from resistant glass, the spherical containers will spread encountered stress evenly across surfaces to prevent fracturing. Built with temperature resistance, the glassware is an essential piece in reflux set-ups. Primarily used for chemical and biochemical research, the round bottom flasks have short or long neck options.


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Product Image-LENZ03304249

Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 250 ml, Centre neck: 29/32 NS, Side necks: 19/26 NS, Ext.Ø: 85 mm

Description: Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 250 ml, Centre neck: 29/32 NS, Side necks: 19/26 NS, Ext.Ø: 85 mm
Catalog Number: LENZ03304249
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-201-1046

Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 3000 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ext.Ø: 185 mm

Description: Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 3000 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ext.Ø: 185 mm
Catalog Number: 201-1046
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-LENZ03305476

Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 3000 ml, Centre neck: 45/40 NS, Side necks: 29/32 NS, Ø ext.: 185 mm

Description: Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 3000 ml, Centre neck: 45/40 NS, Side necks: 29/32 NS, Ø ext.: 185 mm
Catalog Number: LENZ03305476
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-LENZ03348458

Flask, round bottom, Standard ground joints, four necks, three angled side necks (15°), DURAN® Borosilicate glass, Capacity: 500 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 105 mm

Description: Flask, round bottom, Standard ground joints, four necks, three angled side necks (15°), DURAN® Borosilicate glass, Capacity: 500 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 105 mm
Catalog Number: LENZ03348458
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-LENZ03348449

Flask, round bottom, Standard ground joints, four necks, three angled side necks (15°), DURAN® Borosilicate glass, Capacity: 250 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ext.Ø: 85 mm

Description: Flask, round bottom, Standard ground joints, four necks, three angled side necks (15°), DURAN® Borosilicate glass, Capacity: 250 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ext.Ø: 85 mm
Catalog Number: LENZ03348449
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-201-1303

Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 50 ml, Socket size: 14/23 NS, Height: 90 ± 6 mm, Ø ext.: 51 mm

Description: Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 50 ml, Socket size: 14/23 NS, Height: 90 ± 6 mm, Ø ext.: 51 mm
Catalog Number: 201-1303
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-201-0099

Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 250 ml, Socket size: 19/26 NS, Height: 140 ± 6 mm, Ø ext.: 85 mm

Description: Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 250 ml, Socket size: 19/26 NS, Height: 140 ± 6 mm, Ø ext.: 85 mm
Catalog Number: 201-0099
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-271-1305

Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 250 ml, Socket size: 24/29 NS, Height: 140 ± 6 mm, Ø ext.: 85 mm

Description: Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 250 ml, Socket size: 24/29 NS, Height: 140 ± 6 mm, Ø ext.: 85 mm
Catalog Number: 271-1305
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-201-1323

Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 50 ml, Socket size: 29/32 NS, Height: 90 ± 6 mm, Ext.Ø: 51 mm

Description: Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 50 ml, Socket size: 29/32 NS, Height: 90 ± 6 mm, Ext.Ø: 51 mm
Catalog Number: 201-1323
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-201-1325

Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 250 ml, Socket size: 29/32 NS, Height: 140 ± 6 mm, Ext.Ø: 85 mm

Description: Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 250 ml, Socket size: 29/32 NS, Height: 140 ± 6 mm, Ext.Ø: 85 mm
Catalog Number: 201-1325
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-201-0097

Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 50 ml, Socket size: 19/26 NS, Height: 90 ± 6 mm, Ø ext.: 51 mm

Description: Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 50 ml, Socket size: 19/26 NS, Height: 90 ± 6 mm, Ø ext.: 51 mm
Catalog Number: 201-0097
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-271-1307

Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 100 ml, Socket size: 24/29 NS, Height: 105 ± 6 mm, Ext.Ø: 64 mm

Description: Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 100 ml, Socket size: 24/29 NS, Height: 105 ± 6 mm, Ext.Ø: 64 mm
Catalog Number: 271-1307
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-201-1304

Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 100 ml, Socket size: 14/23 NS, Height: 105 ± 6 mm, Ø ext.: 64 mm

Description: Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 100 ml, Socket size: 14/23 NS, Height: 105 ± 6 mm, Ø ext.: 64 mm
Catalog Number: 201-1304
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-201-1302

Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 25 ml, Socket size: 14/23 NS, Height: 85 ± 3 mm, Ext.Ø: 41 mm

Description: Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 25 ml, Socket size: 14/23 NS, Height: 85 ± 3 mm, Ext.Ø: 41 mm
Catalog Number: 201-1302
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-201-1327

Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 1000 ml, Socket size: 29/32 NS, Height: 200 ± 7 mm, Ext.Ø: 131 mm

Description: Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 1000 ml, Socket size: 29/32 NS, Height: 200 ± 7 mm, Ext.Ø: 131 mm
Catalog Number: 201-1327
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-201-1329

Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 500 ml, Socket size: 29/32 NS, Height: 163 ± 6 mm, Ext.Ø: 105 mm

Description: Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 500 ml, Socket size: 29/32 NS, Height: 163 ± 6 mm, Ext.Ø: 105 mm
Catalog Number: 201-1329
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
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