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Best Lab Kjeldahl Flasks - Buying Guide

Last Updated: 05/26/2024

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Bestselling Lab Kjeldahl Flasks on Amazon

  1. EISCO Kjeldahl Flask, 50mL - 19/26 Socket Size - Long Neck, Round Bottom - Borosilicate Glass
  2. stonylab Kjeldahl Flask, Heavy Wall Long Neck Lab Flask Borosilicate Glass Round Bottom Kjeldahl Fla...
  3. EISCO Kjeldahl Flask, 100mL - Long Neck, Round Bottom - Borosilicate Glass
  4. DONLAB CMA-0050 Borosilicate Glass 50ml Kjeldahl Flask Long Neck Nitrogen Flask Round Bottom with St...
  5. EISCO Kjeldahl Flask, 800mL - Long Neck, Round Bottom - Borosilicate Glass
  6. DONLAB CMB-0050 Borosilicate Glass 50ml Kjeldahl Flask Long Neck Nitrogen Flask Round Bottom
  7. EISCO Kjeldahl Flask, 100mL - 19/26 Socket Size - Long Neck, Round Bottom - Borosilicate Glass
  8. Kimble - Flask- Kjeldahl- 30ML, PK6
  9. Laboy Glass 100mL Kjeldahl Schlenk Flask with PTFE Stopcock and 24/40 Glass Outer Joint at Top
  10. Laboy Glass 50mL Pear-Shaped Schlenk Flask Tube Kjeldahl-Style Reaction Storage Air-Free with PTFE S...
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  #1

EISCO Kjeldahl Flask, 50mL - 19/26 Socket Size - Long Neck, Round Bottom - Borosilicate Glass

Asin: B07HS2Y5YH   |   Model: CH0436A   |   PartNumber: CH0436A   |   Ean: 0849230022280   |   UPC: 849230022280

Features

  • Designed for nitrogen determination as per Kjeldahl method
  • Made of high quality Borosilicate glass
  • 50mL capacity
  • Socket size: 19/26
  • Conforms to DIN ISO 12360 standard
  • See more on Amazon...

50Ml Capacity.
Conforms To Din Iso 12360 Standard.
Socket Size: 19/26.
Made Of High Quality Borosilicate Glass.

Brand: EISCO   |   Manufacturer: Eisco

Dimensions: 2.00 x 6.80 x 2.00 inches   |   Weight: 0.10 pounds

Amazon Price: $14.99 | as of 05/26/2024 (6:45am pst) *DETAILS
Availability: In Stock

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  #2

stonylab Kjeldahl Flask, Heavy Wall Long Neck Lab Flask Borosilicate Glass Round Bottom Kjeldahl Flask with 24/40 Standard Taper Outer Joint, 100 ml

Asin: B0BN3N2RZZ   |   Model: KjeldahlFlask-24/40-100ml   |   PartNumber: KjeldahlFlask-24/40-100ml   |   Ean: 0843798192638   |   UPC: 843798192638

Features

  • StonyLab Kjeldahl Flask is commonly used as an air condenser during digestion stage and reduces entrainment during the distillation stage of the Kjeldahl process; ideal for determination of nitrogen, etc
  • Capacity: 100 ml
  • With 24/40 standard taper outer Joints
  • Made of borosilicate glass; heavy duty, heavy all and durable
  • Warranty: StonyLab 1-Year Limited Warranty; if received damaged, please contact us immediately; we will solve it until satisfied
  • See more on Amazon...

With 24/40 Standard Taper Outer Joints.
Warranty: Stonylab 1-Year Limited Warranty; If Received Damaged, Please Contact Us Immediately; We Will Solve It Until Satisfied.
Made Of Borosilicate Glass; Heavy Duty, Heavy All And Durable.
Capacity: 100 Ml.

Brand: stonylab   |   Manufacturer: StonyLab Scientific

Dimensions: 9.45 x 2.76 x 2.76 Inches   |   Weight: 0.29 pounds

Amazon Price: $19.99 | as of 05/26/2024 (6:45am pst) *DETAILS
Availability: In Stock

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  #3

EISCO Kjeldahl Flask, 100mL - Long Neck, Round Bottom - Borosilicate Glass

Asin: B07HS3C326   |   Model: CH0438A   |   PartNumber: CH0438A   |   Ean: 0849230022334   |   UPC: 849230022334

Features

  • Designed for nitrogen determination as per Kjeldahl method
  • Made of high quality Borosilicate glass
  • 100mL capacity
  • Long neck, round bottom
  • Conforms to DIN ISO 12360 standard
  • See more on Amazon...

100Ml Capacity.
Conforms To Din Iso 12360 Standard.
Long Neck, Round Bottom.
Made Of High Quality Borosilicate Glass.

Brand: EISCO   |   Manufacturer: Eisco

Dimensions: 9.50 x 2.50 x 2.50 inches   |   Weight: 0.20 Pounds

Amazon Price: $13.99 | as of 05/26/2024 (6:45am pst) *DETAILS
Availability: In Stock

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  #4

DONLAB CMA-0050 Borosilicate Glass 50ml Kjeldahl Flask Long Neck Nitrogen Flask Round Bottom with Standard Tapper 24/40 Ground Glass Joint

Asin: B0868JQW7Z

Features

  • Capacity: 50ml
  • Long neck round bottom Kjeldahl flask
  • Standard 24/40 ground glass joint
  • Product for nitrogen determination as per Kjedahl method
  • Made of Borosilicate 3.3 glass
  • See more on Amazon...

Standard 24/40 Ground Glass Joint.
Made Of Borosilicate 3.3 Glass.
Product For Nitrogen Determination As Per Kjedahl Method.
Long Neck Round Bottom Kjeldahl Flask.

Brand: DONLAB   |   Manufacturer: DONLAB

Amazon Price: $10.99 | as of 05/26/2024 (6:45am pst) *DETAILS
Availability: In Stock

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  #5

EISCO Kjeldahl Flask, 800mL - Long Neck, Round Bottom - Borosilicate Glass

Asin: B07DFS8V7V   |   Model: CH0438D   |   PartNumber: CH0438D   |   Ean: 0849230022365   |   UPC: 849230022365

Features

  • Designed for nitrogen determination as per Kjeldahl method
  • Made of high quality Borosilicate glass
  • 800mL capacity
  • Rounded Base
  • Conforms to DIN ISO 12360 standard
  • See more on Amazon...

800Ml Capacity.
Conforms To Din Iso 12360 Standard.
Rounded Base.
Made Of High Quality Borosilicate Glass.

Brand: EISCO   |   Manufacturer: Eisco

Dimensions: 13.80 x 4.20 x 4.20 inches   |   Weight: 1.00 pounds

Amazon Price: $25.99 | as of 05/26/2024 (6:45am pst) *DETAILS
Availability: In Stock
List Price: $31.99

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  #6

DONLAB CMB-0050 Borosilicate Glass 50ml Kjeldahl Flask Long Neck Nitrogen Flask Round Bottom

Asin: B0868KX2R8

Features

  • Capacity: 50ml
  • Long neck round bottom Kjeldahl flask
  • Product for nitrogen determination as per Kjedahl method
  • Made of Borosilicate 3.3 glass
  • See more on Amazon...

Product For Nitrogen Determination As Per Kjedahl Method.
Made Of Borosilicate 3.3 Glass.
Long Neck Round Bottom Kjeldahl Flask.

Brand: DONLAB   |   Manufacturer: DONLAB

Amazon Price: $10.55 | as of 05/26/2024 (6:45am pst) *DETAILS
Availability: In Stock

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  #7

EISCO Kjeldahl Flask, 100mL - 19/26 Socket Size - Long Neck, Round Bottom - Borosilicate Glass

Asin: B07PF1LR2P

Features

  • Designed for nitrogen determination as per Kjeldahl method
  • Made of high quality Borosilicate glass
  • 100mL capacity
  • Socket size: 19/26
  • Conforms to DIN ISO 12360 standard
  • See more on Amazon...

100Ml Capacity.
Conforms To Din Iso 12360 Standard.
Socket Size: 19/26.
Made Of High Quality Borosilicate Glass.

Brand: EISCO   |   Manufacturer: Eisco

Dimensions: 3.00 x 8.50 x 3.00 inches   |   Weight: 0.40 pounds

Amazon Price: $19.99 | as of 05/26/2024 (6:45am pst) *DETAILS
Availability: In Stock

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  #8

Kimble - Flask- Kjeldahl- 30ML, PK6

Asin: B071FKB4WG

Brand: Kimble   |   Manufacturer: Kimble Chase Lifescience, Llc.

Amazon Price: $169.88 | as of 05/26/2024 (6:45am pst) *DETAILS

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  #9

Laboy Glass 100mL Kjeldahl Schlenk Flask with PTFE Stopcock and 24/40 Glass Outer Joint at Top

Asin: B0CYPWMBRK   |   Model: LBF050108   |   PartNumber: LBF050108

Features

  • Design:Kjeldahl shape design,with an outer joint at opening and a glass stopcock at sidearm.
  • Size:Capacity of 100mL;With 24/40joint.
  • Usage:Used for reaction or storage.
  • Material: Using the heavy-quality glass tubing made of borosilicate glass 3.3.
  • Craftsmanship:Hand-blown according to ASTM E438 standards.
  • See more on Amazon...

Usage:Used For Reaction Or Storage..
Craftsmanship:Hand-Blown According To Astm E438 Standards..
Material: Using The Heavy-Quality Glass Tubing Made Of Borosilicate Glass 3.3..
Size:Capacity Of 100Ml;With 24/40Joint..

Brand: LABOY   |   Manufacturer: LABOY

Amazon Price: $27.99 | as of 05/26/2024 (6:45am pst) *DETAILS
Availability: In stock Usually ships within 2 to 3 days.

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  #10

Laboy Glass 50mL Pear-Shaped Schlenk Flask Tube Kjeldahl-Style Reaction Storage Air-Free with PTFE Stopcock & 19/22 Joint Lab Glassware

Asin: B01IQPDRAA   |   Model: HMF050104   |   PartNumber: HMF050104

Features

  • DESIGN----This Kjeldahl shape schlenk flask consists of a pear-shaped flask facilitates heating and stirring.It has a sidearm fitted with a PTFE stopcock connecting to a vacuum or inert gases source.The top ground glass joint is used to attach the flask to other lab glassware apparatus ,or stopped by a penney head stopper,rubber septum,permitting easy transfer of liquids or solids.
  • USE----Schlenk flasks are indispensable laboratory glassware used in air-sensitive chemistry to conduct air-sensitive reaction.Comparing to non-air-sensitive reactions reaction, this schlenk flask features a PTFE stopcock connecting with a schlenk line and controlling the access to inert gas or vacuum. In a reaction setup,the schlenk flask may use with an addition funnel,reflux condenser,magnetic stirring shaft and bars.For filtration,a schlent frit is required.
  • DIMENSIONS----This pear-shaped schlenk flask,modified schlenk tube, capacity of 50mL,with 2mm PTFE stopcock which is easier to clean and won't leach grease into your reaction mixture.With 19/22 top taper outer joint allowing material to be added to a flask or attaching a reflux condenser for reaction.
  • 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 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% 90 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.
  • See more on Amazon...

Dimensions----This Pear-Shaped Schlenk Flask,Modified Schlenk Tube, Capacity Of 50Ml,With 2Mm Ptfe Stopcock Which Is Easier To Clean And Won't Leach Grease Into Your Reaction Mixture.With 19/22 Top Taper Outer Joint Allowing Material To Be Added To A Flask Or Attaching A Reflux Condenser For Reaction..
100% 90 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..
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 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..
Use----Schlenk Flasks Are Indispensable Laboratory Glassware Used In Air-Sensitive Chemistry To Conduct Air-Sensitive Reaction.Comparing To Non-Air-Sensitive Reactions Reaction, This Schlenk Flask Features A Ptfe Stopcock Connecting With A Schlenk Line And Controlling The Access To Inert Gas Or Vacuum. In A Reaction Setup,The Schlenk Flask May Use With An Addition Funnel,Reflux Condenser,Magnetic Stirring Shaft And Bars.For Filtration,A Schlent Frit Is Required..

First Available: 05/18/2017

Brand: LABOY   |   Manufacturer: Laboy

Weight: 0.00 pounds

Amazon Price: $32.29 | as of 05/26/2024 (6:45am pst) *DETAILS
Availability: In stock Usually ships within 2 to 3 days.

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