Reviews Round Bottom Flask

QWORK Boiling Flask, Single Neck Round Bottom, 24/40 Standard Taper Outer Joint, 500ml

  • Premium Quality: Made of high-quality borosilicate glass, heavy glass wall, durable and reusable..
  • Standard Size: The round-bottom flask features the 24/40 standard taper outer joint, interchangeable and leak-free. The capacity of 500ml..
  • Heat-Resistant: With the round bottom, the boiling flask is more resistant to breaking under vacuum, as a sphere can evenly distribute stress across its surface. Heavy glass wall, made by hand-blowing to ensure even wall thickness, made of high-quality borosilicate glass and annealed at 800 degrees Celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in chemistry processes like heating and cooling..
  • Wide Application: The round bottom flask is widely used in organic chemistry, in distillation, or vacuum distillation apparatus..
  • Satisfaction Guaranteed: If you're not completely satisfied with our product, you will get 100% complete refund in one month..
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SUCOHANS 2 Count 4.3\ Diam. Lab Flask Support Cork Stand 110mm for 250-2000mL Flasks

  • Flask support firmly holds 250-2000 mL round bottom flasks, and its outer diameter is 110 mm..
  • The flask support Cork is made of high quality cork, very good elasticity, strong heat and electrical insulation, friction resistance..
  • The Flask support is non-toxic, tasteless, small proportion, not easy to get fire,eco-friendly product..
  • Used for holding your flasks or other spherical bottom containers from failing easily..
  • 2pcs 110*60mm Laboratory Flask Cork Stand Lab Supply Article.
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Laboy Glass 100mL Single Neck Round Bottom Boiling Flask Heavy Wall with 14/20 Joint Heating Distillation Reaction Receiving Flask Organic Chemistry Lab Glassware

  • STANDARD SIZE--- This round bottom flask designed with 14/20 standard taper outer joint,interchangeable,leak-free,comparing to common boiling flask without ground joint, it is convenient,safe,easy-operation in laboratory glassware setup.Capacity of 100mL..
  • HEAT-RESISTANT DESIGN ---With spherical bottoms,this RBF is more resistant to fracturing under vacuum, as a sphere more evenly distributes stress across its surface. 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..
  • WIDELY USED----The round bottom flask is widely used in organic chemistry,in a distillation or vacuum distillation apparatus ,it’s used a a distillation flask and receiving flask with a glass condenser and some adapters like the 10 way distillation adapter,take-off adapter.
  • In a reflux process,it’s used as a reaction flask with a reflux condenser.It is also used as a Distilling flask in rotary evaporators..
  • HIGH QUALITY---Laboy glass condensers are all made of high quality boroslicate glass according to ASTM E438,heavy w....
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Heating Mantle LED Digital Lab Hotplate up to 380℃ (716℉) with Temperature contorl for Scientific Laboratory Liquid Heating -US Plug (5000ml)

  • Reinforced thermal isolation allowing maximum yield, safety and power saving Uniform heat distribution due to product quality, expressed in heat yield and perfect flask running.
  • Round bottom flask. Aluminium body. Finishing in epoxy (polyoxide).
  • Designed for use with Round Bottom Flasks. Epoxy coated aluminium housing. Replaceable, flexible heater cartridge. Maximum temperature 450 C. For use with 250ml Round Bottom Flasks.
  • Power: 200w. Available in 115v and 230v 50-60 Hz..
  • Includes electronic power controller which acts by impulse with adjustable timing through a pilot lamp..
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Laboy Glass 100mL Single Neck Round Botthom Schlenk Flask Reaction Kettle with 24/40 Joint & Glass Stopcock Air-Free at Side Arm Chemistry Lab Glassware

  • DESIGN----This schlenk flask is comprised of a single neck round bottom flask which can be heated directly in an open flame or heating mantle,ideal for reflux reaction in air-sensitive chemistry.With 2mm glass stopcock having a constant pressure retention device.With a standard taper joint on the single neck attaching to lab glassware for adding ,transferring or reflux..
  • USE----This schlenk flask with glass stopcock is usually used as a reaction flask in air-sensitive chemistry.The 7mm glass stopcock connects to the schlenk line allowing the flask to be evacuated or filled with gases (usually inert gases).The taper joint at top permits easy transfer of liquids or solids,it may attach an addition funnel ,reflux condenser, magnetic stirring shaft, vacuum flow control adapter to assemble a reaction setup..
  • DIMENSIONS----This round bottom flask is designed with 2mm glass stopccok on side-arm ,with 24/40 standard taper joint,which can be stopped by a glass topper or 14# rubber septum.Capacity of 100mL..
  • HEAVY WALL ---This schlenk flask is heavy-wall designed , made by hand-blowing according to ASTM E438 ,made of high-quality borosilicate glass and annealed at 806 degree Celsius ,can be heated directly in an open flame and can withstand typical laborator....
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QWORK Lab Flask Support Cork Stand, 4 Pcs 110mm Diameter Round Bottom Holder for 250-2000mL Flasks

  • Function: Designed to prevent damage to your flask or other spherical bottom containers..
  • Size: 110 in diameter, 30mm in length, this flask support can holds round bottom 250-2000mL Flasks..
  • Durable: Made of high quality cork, acid and alkali resistance, corrosion resistance, durable to use..
  • Package: Includes 4 pcs 110mm Diameter Flask Support Cork Stand, meeting your need..
  • Service: Enjoy a smooth & worry-free return service within a month. Any questions feel free to contact us, we will be here for you..
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QWORK Borosilicate Glass Distilling Flask with Side Arm, 1000ml Round Bottom Lab Glass Distilling Flask

  • Durable: Made of high-quality, durable borosilicate glass..
  • Side arm: Laboratory distillation flask, distillation flask with side arm..
  • Suitable for: Suitable for any scientific or home laboratory..
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Boiling Flask, 100ml - Borosilicate Glass - Round Bottom, Narrow Neck (0.85\ ID) - Eisco Labs

  • The opening of the flask is 0.85". The base diameter of the flask is 2.5" and the overall height is 4.4". The stem is 1" diameter and 2.1" long. Please note: these are hand blown with the capacity in mind and overall dimensions can vary a bit piece to piece..
  • Hand blown premium borosilicate 3.3 glass with 100mL capacity..
  • The round bottom is designed for use with boiling or other similar tasks. A stand set like LABSTANDSET can be used in conjuction with this set..
  • Note: the images are for illustrations only - the item can not sit flat on a table because it is round on the bottom..
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Florence Boiling Flask, 10,000ml - Borosilicate Glass - Round Bottom, Narrow Neck - Eisco Labs

  • INDUSTRIAL QUALITY || 10,000ml capacity boiling flask made from high quality, heavy duty Borosilicate 3.3 glass.
  • NARROW NECK || Flask features a narrow neck. Neck measures 4" in total length and has an inner diameter of 2.3" (58mm) and an outer diameter of 2.5" (65mm).
  • 15.75 INCHES TALL || Flask stands 15.75" tall and is 10" in diameter at it's widest point.
  • ROUND BOTTOM || Flask features a spherical base for uniform heating and boiling of contents.
  • GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use.
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Laboy Glass Steam Distillation Apparatus Kit Distilling Set with Biomass Flask Essential Oil Extraction Maker Organic Chemistry Lab Glassware Equipment 25pcs

  • ... equalizing funnel or a simple powder funnel.And there is only water in the distilling flask to be heated to produce steam..
  • The glassware parts in this kit are all with 24/40 standard taper joints for a safe and convenient seal,which includes two separatory funnels used for adding water and separation,A 500mL round bottom flask,a 500mL flat bottom flask,a claisen adapter,a biomass flask, a 3 way distillation adapter, a penny head stopper,a liebig condenser ,a 105 bent distillation adapter,16ft rubber tubing, 10pcs joint clips,a cork stand..
  • Laboy glassware are all made of high quality boroslicate glass according to ASTM E438,heavy wall design,durable and reusable.The ground joints are precisely grounded according to US standard..
  • 100% 90 DAY MONEY BACK GUARANTEE simply return for a full refund,no question asked.
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