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20 Best 25 Ml Round Bottom Flask of 2023 – Romance University
After hours researching and comparing all models on the market, Romance University finds out the Best 25 Ml Round Bottom Flask of 2023. Check our ranking below.
2,179 Reviews Scanned
Rank No. #1
Glass Single Neck Heavy Wall Round Bottom Boiling Flask 25 mL with 14/20 Joint
- 1 Single Neck
- 14/20 Center Joint
- 25 mL Round Bottom Boiling Flask
- Round bottom flask
- Made of high quality glass
Rank No. #2
ADAMAS-BETA 25ml 3 Neck Round Bottom Flask Borosilicate Glass Science Chemistry Flask,14/20 Outer Joints
- 25ml 3 Neck Round Bottom Flask
- 14/20 center joint and two 14/20 side joints.
- Made of borosilicate glass, high strength, high chemical stability, high temperature resistance, durable and reusable
- Heavy duty design for higher strength and durability
- If received damaged, please contact us immediately. We will solve it until satisfied.
Rank No. #3
Boiling Flask, 25ml - Borosilicate Glass - Round Bottom, Narrow Neck (0.6" ID) - Eisco Labs
- Made of high quality, heavy duty Borosilicate glass
- 25ml capacity. Narrow neck, round bottom, beaded rim.
- 3.5" tall, 1.75" bottom diameter
- 2" neck length, 0.6" neck diameter
- Perfect for any science or home laboratory
Rank No. #4
ADAMAS-BETA 25ml Single Neck Round Bottom Boiling Flasks Borosilicate Glass with 24/40 Standard Taper Outer Joint
- Capacity - 25ml boiling flasks, single neck boiling flask with 24/40 standard outer joint
- Premium Material - Made of G3.3 borosilicate glass, high hardness, strength, toughness and low inflation rate
- Heat Resistance - 520 ℃ resistance to high temperature, heavy wall, high transparency, easy to observe the change of solution
- Structural Design - Round bottom ensure uniform heating, with spherical bottoms,this RBF is more resistant to fracturing under vacuum, improve work efficiency and guarantee security
- High Chemical Stability - Acid and alkali corrosion resistance and various organic solutions, widely used in organic chemistry,in a distillation or vacuum distillation apparat
Rank No. #5
25mL Single Neck Round Bottom Boiling Flasks Borosilicate Glass with 14/20 Standard Taper Outer Joint
- 25mL One neck boiling flask with 14/20 standard outer joint
- Round bottom and harvy wall ensure uniform heating, improve work efficiency and guarantee security
- Be made from G3.3 borosilicate glass, high hardness, strength, toughness and low inflation rate
- Resistance to high temperature and temperature difference, high transparency, easy to observe the change of solution
- High chemical stability - acid and alkali corrosion resistance and various organic solutions
Rank No. #6
Deschem 25ml,24/40,Single-Neck,Round Bottom Glass Flask,1 Neck,Lab Boiling Vessel
- Be Made From G3.3 Borosilicate Glass
- Annealing Point ------560℃
- Linear Coefficient of Expansion------ 32×10-7/℃
- Softening Point------820℃
Rank No. #7
ADAMAS-BETA 25ml Single Neck Round Bottom Boiling Flasks Borosilicate Glass with 19/22 Standard Taper Outer Joint
- Capacity - 25ml boiling flasks, one neck boiling flask with 19/22 standard outer joint
- Premium Material - Made of G3.3 borosilicate glass, high hardness, strength, toughness and low inflation rate
- Heat Resistance - 520 ℃ resistance to high temperature, heavy wall, high transparency, easy to observe the change of solution
- Structural Design - Round bottom ensure uniform heating, with spherical bottoms,this RBF is more resistant to fracturing under vacuum, improve work efficiency and guarantee security
- High Chemical Stability - Acid and alkali corrosion resistance and various organic solutions, widely used in organic chemistry,in a distillation or vacuum distillation apparat
Rank No. #8
Adamas-Beta 25mL Glass Heavy Wall Single Neck One Neck Round Bottom Flask RBF, with 19/22 Standard Taper Outer Joint-25mL
- 25 mL Round Bottom Flask, long-necked, flat-bottom boiling flask for heating or boiling of liquids
- 1 Single Neck
- Borosilicate glass for clarity, strength, and resistance to heat and chemicals
- Round bottom flask
- 19/22 Center Joint
SaleRank No. #9
Glass 25ml Heavy Wall 2 Neck Round Bottom Flask, with 19/22 Center and Side Standard Taper Outer Joint - 25ml
- Heavy wall
- Round bottom flask
- 2 neck angled
- Capacity of 25Ml
- With 19/22 center joint and 19/22 side joint
Rank No. #10
Distilling Flask with Side Arm, 25mL - Borosilicate Glass - Round Bottom, Beaded Rim - Eisco Labs
- INDUSTRIAL QUALITY || Made from high-quality borosilicate 3.3 glass
- 25ML || Flask has a 25mL capacity
- SIDE ARM || Angled side arm measures approximately 100mm (4 inches) long
- ROUND BOTTOM || Distilling Flask has round bottom
- GREAT FOR PROFESSIONAL LABORATORIES & CLASSROOMS || Superior chemical durability and heat tolerance. Designed for use in professional laboratories, but is an ideal choice for science classrooms
Rank No. #11
Adamas-Beta Glass Evaporation Flask 25ml Capacity 24/40 Joint Borosilicate Glass Single Neck Round Bottom Flask for Organic Chemistry Lab Glassware
- Package Includes: 1Pcs Glass Evaporation Flask.
- Specification:Various specifications are availiable,25ml,50ml,100ml,200ml,250ml,500ml,1000ml with 19/22 Joint/24/40 Joint are for your choice.
- Material:Made of borosilicate glass, heavy wall,high strength and hardness, fine workmanship, no bubble and no texture.
- Widely Used:The low profile evaporation flask can be used in retory evaporator,also can be used as a flask, receiving flask,storage flask ect in ,reflux ,separation, reaction process of organic chemistry.
- Promise - Adamas-Beta dedicates to providing products of high quality and premium service, if you have any problems, please don't hesitate to contact us, we will solve them immediately.
Rank No. #12
Laboy Glass 25mL 3 Neck Round Bottom Boiling Flask with 14/20 Center & Side Joints Angled Receiving Reflux Flask Multi Neck Apparatus Organic Chemistry Lab Glassware
- DESIGN----This three neck flask designed with a round bottom and angled necks which allows to attach three lab glassware components for apparatus( simple ,steam ,fractional ,azeotropic ).Round bottom design having spherical bottoms are more resistance to fracturing under vacuum, as a sphere more evenly distributes stress across its surface.and allows more uniform heating or boiling of a liquid.
- WIDELY USED ---Round-bottom flasks are often used to contain reactions for reflux set-ups and laboratory-scale synthesis.It also can be used as a flasks and receiving flasks for the distillate. For example, in a Grignard Reaction,a 3 neck flask will be used a flask under a heating mantle, the center neck attaches a PTFE adapter for a magnetic stir shaft, the left angled neck attaches a pressure equalizing.The wrong neck attaches a liebig or west condenser.
- DIMENSIONS-----This durable round bottom flasks with 3 necks, one center and two angled,with standard taper joints on the necks accommodating lab apparatus for multi purpose. It features heavy wall spherical body and 25mL capacity.Comparing to the single neck or twin neck flask,the 3 neck flasks have one more jointed neck for extra function,when it is not needed,the extra necks can be stopped by penny head glass stoppers.
- HEAVY WALL ---The 3 neck flask is heavy-wall designed , made by hand-blowing according to ASTM E438 ,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,durable and reusable.
- 100% 45 DAY MONEY BACK GUARANTEE If you are not satisfied for any reason, simply return for a full refund, no questions asked. You have nothing to lose.Please also kindly undertand glassware is fragile, even if we pack them carefully,it may be broken during the shipment ,if you receive the items in broken status,don't hesitate to contact us ,we will arrange free replacement or full refund.
Rank No. #13
Beauticom 12 Piece 20g/20ml USA Acrylic Round Clear Jars with Lids for Lip Balms, Creams, Make Up, Cosmetics, Samples, Ointments and other Beauty Products (Black Lid (Flat Top))
- 20G/ 20ML Round Acrylic Clear Thick Jars with Flat Top Screw Lid – Color: Black
- [Quantity] 12 Pieces (Jar + Lid) | [Dimension] Outer - 1.7 Inches x 1 Inch / Inner - 1.6 Inches
- [Feature] Thick Clear Base, Flat Top Round Lid. Reusable, High-Graded, BPA Free, LEAK PROOF, Resistance to Breaking.
- [Use] Use to Store and Organize any cosmetic products, powders, cream, pills or accessories.
- [Multi Purposeful] Can be Used to Organize, Storage, Travel, Display and Gift.
Rank No. #14
StonyLab Glass 50ml Heavy Wall Single Neck 1 Neck Round Bottom Flask RBF, with 24/40 Standard Taper Outer Joint – 50ml
- Widely used as heating and reaction vessel in chemical experiments
- Round Bottom Flask
- Single Neck 24/40
- Made of borosilicate glass
Rank No. #15
QWORK Glass 500ml Single Neck Flat Bottom Boiling Flask, with 24/40 Standard Joint, Heavy Wall Distillation Receiving Apparatus, Taper Outer Joint Lab Glassware, 500mL
- Package contains: 1 Pack 500ml Single Neck Flat bottomed flask.
- Standard size: With 24/40 Standard Taper Outer Joint, capacity is 500ml.
- Widely used: Can be connected to a distillation adapter for collecting and measuring liquids.
- Durable: Made of high-quality borosilicate glass, it can be directly heated in an open flame, high temperature and low temperature resistance, and can be reused.
- Flat-bottomed flask: The flask can stand upright on a flat surface by itself, rather than on a flask holder or cork holder. Can be connected to laboratory glassware, with standard tape joints.
Rank No. #16
NANSHIN lab Glass,Round Bottom Flask,2000ML,24/40,Three Neck,3 Neck,2L,Lab Flask 24/40
- G3.3 borosilicate glass
- Volume of the funnel is 2000ML
- Thickness of the Wall is 2.5MM
- 24/40 ground joint
Rank No. #17
QWORK Boiling Flask, Single Neck Round Bottom, 24/40 Standard Taper Outer Joint, 1000ml
- 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 1000ml.
- 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.
Rank No. #18
Laboy Glass 1000mL Single Neck Round Bottom Boiling Flask Heavy Wall with 24/40 Joint Heating Reaction Receiving Flask Organic Chemistry Lab Glassware
- STANDARD SIZE--- This round bottom flask designed with 24/40 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 1000mL.
- HEAT-resistance DESIGN ---With spherical bottoms,this RBF is more resistance 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 or vacuum apparatus ,it’s used a a flask and receiving flask with a glass condenser and some adapters like the 14 way 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 flask in rotary evaporators.
- HIGH QUALITY---Laboy glass condensers 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.
- BUY WITH CONFIDENCE----100% 45 DAY MONEY BACK GUARANTEE simply return for a full refund,no question asked
Rank No. #19
Labasics Glass 500ml Single Neck One Neck Round Bottom Flask RBF, with 24/40 Standard Taper Outer Joint, 500ml
- Capacity: 500ml
- Single Neck Round bottomed flask with 24/40 Standard Joint
- Made of Borosilicate Glass
- Perfect handcraft glass made by hand blowing to ensure achieving the best performance
- Labasics ensures premium customer service; If received damaged, please contact us immediately; We will solve it until satisfied
Rank No. #20
Simple-e 10pcs 5ml 1/6oz Amber Mini Glass Bottle Amber Sample Vial Small Essential Oil Bottle with Glass Eye Dropper + 1pc Glass Clean Cloth + 1pc 3ml dropper (10)
- 10pcs 5ml Amber Glass Bottles with Glass Eye Dropper + free 1pc 1ml dropper +1 free Glass Clean Cloth
- Perfect for essential oils, mixes, and samples
- Perfect for travel, and conveniently fits in your purse
- Amber Glass Protects Against UV Rays
- Safe, secure and convenient packaging
Last update on 2023-08-14 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: What are the uses of a round bottom flask?
A: Round Bottom Flask Uses: Reaction chamber Boiling flask Culture media storage Distillation Evaporating flask
Q: What is a round bottom flask used for in a science lab?
A: Thus, round-bottom flasks are used in a variety of applications where the contents are heated or boiled. Round-bottom flasks are used in distillation by chemists as distilling flasks and receiving flasks for the distillate (see distillation diagram).
Q: What is the use of round bottom flask in laboratory?
A: Round-bottom flasks (also called round-bottomed flasks or RB flasks) are types of flasks having spherical bottoms used as laboratory glassware, mostly for chemical or biochemical work. They are typically made of glass for chemical inertness; and in modern days, they are usually made of heat-resistant borosilicate glass.
Q: What are the functions of a flat bottom flask?
A: Flat-bottom flasks are round flasks, usually composed of a single neck, which are used to heat compounds in distillation or other reactive reactions. They are usually used to contain liquids and to heat them.