Best 15 Neck Flasks

 

Precision 1000mL Three Angled Neck Round Bottom Flask 2440 Heavy Wall Borosilicate Glass

Precision 1000mL Three Angled Neck Round Bottom Flask, 24/40, Heavy Wall, Borosilicate Glass

Precision 1000mL Three Angled Neck Round Bottom Flask, 24/40, Heavy Wall, Borosilicate Glass - Heavy wall design increases mechanical strength. Catalog no. 303028 style three-neck, round bottom flask size 1000 ml joint 24/40 material borosilicate glass astm spec e438 supplier precision labware. Three-neck round bottom flask with standard taper outer joints of 24/40 on both the center neck and angled side necks.

 

ACE GLASS 3996-24 Series Single Neck Flask Round Bottom Receiving Poly-Coated Heavy Wall 3000 mL

ACE GLASS 3996-24 Series Single Neck Flask, Round Bottom, Receiving, Poly-Coated, Heavy Wall, 3000 mL

ACE GLASS 3996-24 Series Single Neck Flask, Round Bottom, Receiving, Poly-Coated, Heavy Wall, 3000 mL - Replacement flask for buchi rotary evaporators. Round bottom flasks with a 35/20 single neck and safety coating.

 

Laboy HMF011322 Glass 250 mL 2 Neck Round Bottom Boiling Flask with 2440 Center and Side Joint Angled

Laboy HMF011322 Glass 250 mL 2 Neck Round Bottom Boiling Flask with 24/40 Center and Side Joint Angled

Laboy HMF011322 Glass 250 mL 2 Neck Round Bottom Boiling Flask with 24/40 Center and Side Joint Angled - This multi-neck flask has two standard taper ground joint on the centre neck and the side angled neck. With 2 necks having the same joints laboy glass flasks are heavy wall designed, made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in chemistry processes like heating and cooling.

 

Laboy HMF010319 Glass Single Neck Round Bottom Boiling Flask 250 mL with 2440 Joint

Laboy HMF010319 Glass Single Neck Round Bottom Boiling Flask 250 mL with 24/40 Joint

Laboy HMF010319 Glass Single Neck Round Bottom Boiling Flask 250 mL with 24/40 Joint - Because of the spherical bottom, cork rings are needed to keep the round bottom flasks upright. Round-bottom flasks (also called round-bottomed flasks, flasks, round bottom, or rb flasks)having spherical bottoms are more resistant to fracturing under vacuum, as a sphere more evenly distributes stress across its surface. The flasks are usually used in heating or boiling a liquid, in distillation as distilling flasks and receiving flasks for the distillate, used as the distilling flasks in rotary evaporators. When in use, round-bottom flasks are commonly held at the neck by flask clamps on a stand. Laboy glass flasks are heavy wall designed, made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in chemistry processes like heating and cooling.

 

Laboy HMF011405 Glass 50 mL 3 Neck Round Bottom Boiling Flask with 1420 Center and Side Joints Angled

Laboy HMF011405 Glass 50 mL 3 Neck Round Bottom Boiling Flask with 14/20 Center and Side Joints Angled

Laboy HMF011405 Glass 50 mL 3 Neck Round Bottom Boiling Flask with 14/20 Center and Side Joints Angled - This multi-neck flask has three standard taper ground joint. With 2 necks having the same joints laboy glass flasks are heavy wall designed, made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in chemistry processes like heating and cooling.

 

Chemglass CG-1520-10 Glass 500mL Round Heavy Wall 2 Neck Bottom Boiling Flask with 2440 Standard Taper Outer Joint and 20 Degree Angle

Chemglass CG-1520-10 Glass 500mL Round Heavy Wall 2 Neck Bottom Boiling Flask with 24/40 Standard Taper Outer Joint and 20 Degree Angle

Chemglass CG-1520-10 Glass 500mL Round Heavy Wall 2 Neck Bottom Boiling Flask with 24/40 Standard Taper Outer Joint and 20 Degree Angle - Round bottom, heavy wall two neck flask with standard taper outer joints on both the center neck and angled side neck. Flasks with 10/30 side neck are for use with cg-3506 thermometers. The 29/26 center neck flasks have a groove tooled just below the grind to aid in clamping of the flask. Flasks with joint sizes other than those listed are available.

 

Chemglass CG-1522-21 Glass 5000mL Round Heavy Wall 3 Neck Bottom Boiling Flask with 4550 and 2440 Standard Taper Outer Joint

Chemglass CG-1522-21 Glass 5000mL Round Heavy Wall 3 Neck Bottom Boiling Flask with 45/50 and 24/40 Standard Taper Outer Joint

Chemglass CG-1522-21 Glass 5000mL Round Heavy Wall 3 Neck Bottom Boiling Flask with 45/50 and 24/40 Standard Taper Outer Joint - Flasks with joint sizes other than those listed are available. Round bottom, heavy wall three neck flask with standard taper outer joints on the center neck and vertical side necks. Flasks with 29/26 center necks have a groove tooled just below the grind to aid in clamping of the flask. Please call for pricing.

 

Laboy HMF011314 Glass 100 mL 2 Neck Round Bottom Boiling Flask with 2440 Center Joint and 1420 Side Joint Angled

Laboy HMF011314 Glass 100 mL 2 Neck Round Bottom Boiling Flask with 24/40 Center Joint and 14/20 Side Joint Angled

Laboy HMF011314 Glass 100 mL 2 Neck Round Bottom Boiling Flask with 24/40 Center Joint and 14/20 Side Joint Angled - With 2 necks having the same joints laboy glass flasks are heavy wall designed, made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in chemistry processes like heating and cooling. This multi-neck flask has two standard taper ground joint on the centre neck and the side angled neck.

 

Laboy HMF010318 Glass Single Neck Round Bottom Boiling Flask 250 mL with 1922 Joint

Laboy HMF010318 Glass Single Neck Round Bottom Boiling Flask 250 mL with 19/22 Joint

Laboy HMF010318 Glass Single Neck Round Bottom Boiling Flask 250 mL with 19/22 Joint - The flasks are usually used in heating or boiling a liquid, in distillation as distilling flasks and receiving flasks for the distillate, used as the distilling flasks in rotary evaporators. Laboy glass flasks are heavy wall designed, made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in chemistry processes like heating and cooling. When in use, round-bottom flasks are commonly held at the neck by flask clamps on a stand. Round-bottom flasks (also called round-bottomed flasks, flasks, round bottom, or rb flasks)having spherical bottoms are more resistant to fracturing under vacuum, as a sphere more evenly distributes stress across its surface. Because of the spherical bottom, cork rings are needed to keep the round bottom flasks upright.

 

TOOGOOR 1000ml Long Neck Clear White Plastic Volumetric Measuring Flask

TOOGOO(R) 1000ml Long Neck Clear White Plastic Volumetric Measuring Flask

TOOGOO(R) 1000ml Long Neck Clear White Plastic Volumetric Measuring Flask - Only authorized seller of toogoo can sell under toogoo listings. Toogoo(r) 1000ml long neck clear white plastic volumetric measuring flaskthe measuring flask is a piece of laboratory ware, a type of laboratory flask, calibrated to contain a precise volume at a particular temperature. The flask is vase shaped and made of plastic. The flask’s mouth is furnished with a plastic stopper. Toogoo is a registered trademark. Used for precise dilutions and preparation of standard solutions.

 

Laboy HMF011426 Glass 500 mL 3 Neck Round Bottom Boiling Flask with 2440 Center and Side Joints Angled

Laboy HMF011426 Glass 500 mL 3 Neck Round Bottom Boiling Flask with 24/40 Center and Side Joints Angled

Laboy HMF011426 Glass 500 mL 3 Neck Round Bottom Boiling Flask with 24/40 Center and Side Joints Angled - With 2 necks having the same joints laboy glass flasks are heavy wall designed, made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in chemistry processes like heating and cooling. This multi-neck flask has three standard taper ground joint.

 

Chemglass CG-1520-04 Glass 250mL Round Heavy Wall 2 Neck Bottom Boiling Flask with 2440 Standard Taper Outer Joint and 20 Degree Angle

Chemglass CG-1520-04 Glass 250mL Round Heavy Wall 2 Neck Bottom Boiling Flask with 24/40 Standard Taper Outer Joint and 20 Degree Angle

Chemglass CG-1520-04 Glass 250mL Round Heavy Wall 2 Neck Bottom Boiling Flask with 24/40 Standard Taper Outer Joint and 20 Degree Angle - Flasks with 10/30 side neck are for use with cg-3506 thermometers. The 29/26 center neck flasks have a groove tooled just below the grind to aid in clamping of the flask. Flasks with joint sizes other than those listed are available. Round bottom, heavy wall two neck flask with standard taper outer joints on both the center neck and angled side neck.

 

Laboy HMF011337 Glass 1000 mL 2 Neck Round Bottom Boiling Flask with 2440 Center and Side Joints Angled

Laboy HMF011337 Glass 1000 mL 2 Neck Round Bottom Boiling Flask with 24/40 Center and Side Joints Angled

Laboy HMF011337 Glass 1000 mL 2 Neck Round Bottom Boiling Flask with 24/40 Center and Side Joints Angled - With 2 necks having the same joints laboy glass flasks are heavy wall designed, made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in chemistry processes like heating and cooling. This multi-neck flask has two standard taper ground joint on the centre neck and the side angled neck.

 

Laboy HMF011326 Glass 500 mL 2 Neck Round Bottom Boiling Flask with 2440 Center Joint and 1420 Side Joint Angled

Laboy HMF011326 Glass 500 mL 2 Neck Round Bottom Boiling Flask with 24/40 Center Joint and 14/20 Side Joint Angled

Laboy HMF011326 Glass 500 mL 2 Neck Round Bottom Boiling Flask with 24/40 Center Joint and 14/20 Side Joint Angled - With 2 necks having the same joints laboy glass flasks are heavy wall designed, made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in chemistry processes like heating and cooling. This multi-neck flask has two standard taper ground joint on the centre neck and the side angled neck.

 

Laboy HMF010312L Glass Single Neck Round Bottom Boiling Flask 100 mL with 2440 Joint Pack of 5

Laboy HMF010312L Glass Single Neck Round Bottom Boiling Flask 100 mL with 24/40 Joint (Pack of 5)

Laboy HMF010312L Glass Single Neck Round Bottom Boiling Flask 100 mL with 24/40 Joint (Pack of 5) - The flasks are usually used in heating or boiling a liquid, in distillation as distilling flasks and receiving flasks for the distillate, used as the distilling flasks in rotary evaporators. Laboy glass flasks are heavy wall designed, made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in chemistry processes like heating and cooling. Because of the spherical bottom, cork rings are needed to keep the round bottom flasks upright. Round-bottom flasks (also called round-bottomed flasks, flasks, round bottom, or rb flasks)having spherical bottoms are more resistant to fracturing under vacuum, as a sphere more evenly distributes stress across its surface. When in use, round-bottom flasks are commonly held at the neck by flask clamps on a stand.





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