Class A Buret

Buret. Class A.

Serialized Colored scale Teflon® stopcock plug The capacity tolerance on Class A PYREX burets is established by ASTM E-287 and is calibrated in accordance with ASTM E-542 and D-511. Each buret is individually serialized and supplied with a Certificate of Identification and Capacity, traceable to…

Precision bore tubing is used these 10mL-100mL Class A PYREX® burets to assure accuracy between any two points. The capacity tolerance on these burets is established by ASTM E-287 and is calibrated in accordance with ASTM E542. Each buret is individually serialized and supplied with a…

… Supplied with plastic dust cap Durable colored graduations are sharply defined and easy to read. Carefully ground Standard Taperstopcock gives precise control. The capacity tolerance on these burets is established by ASTM E 287 and they are calibrated in accordance with ASTM E 542.

…in ASTM Standards E 287 Supplied with Certificate of Graduation Accuracy With Ps2 bore PTFE stopcock plug (8682B22) Designed from ASTM Specification 287, Class A; 10 mL size meets ASTM Standard D 664 Includes plastic KIM-KAP ® dust caps. Straight top. Scale is white ceramic enamel.

The top of this Class A buret is funnel shaped to accommodate a rubber stopper and glass tubing to fill from a delivery tip via suction. Made of borosilicate glass with durable colored scale, both sizes have 2mm stopcock with PTFE plug.

…stopcock to control liquid; tube is 5/16 inch o.d. Calibrated to the accuracy requirements found in ASTM specification E 694 Kimax precision bore buret has a side filling tube with a separate stopcock to control liquid within the permanently attached reservoir, approximately 70 mL in capacity.…

Precision-bore buret is permanently marked with an individual serial number Supplied with a Certificate of Graduation Accuracy Designed from ASTM Specification E 287, Class A requirements For replacement stopcock, see Thomas number 8682S16 Filling tube accepts 1/4” i.d. flexible tubing.…

Scale is durable white ceramic enamel Funnel top to accept No. 3 one-holed rubber stopper Class A accuracy Stopcock for both sizes is Standard Taper 2 1990K60 is graduated in 0.01 mL intervals. 1990K80 is graduated in 0.02 mL intervals.

Permanently marked with an individualized serial number Supplied with a Certificate of Graduation Accuracy Scale is durable white ceramic enamel Stopcock for both sizes is Ps 2. Filling is through stopcock; filling tube accepts 1/4” i.d. flexible tubing. 1990U10 has 0.01 mL subdivisions…

The capacity tolerance on these burets is established by ASTM E 287 and they are calibrated in accordance with ASTM E 542. Tips are carefully drawn from accurate bore tubing to ensure proper drainage rates. This buret has colored markings, fine, sharp lines and large easy-to-read numbers. The…

Precision bore tubing is used these 25mL Class A PYREX® burets to assure accuracy between any two points. Durable colored graduations are sharply defined and easy to read. Carefully ground Standard Taper stopcock gives precise control. All sizes furnished with a 2mm bore stopcock plug. For…

…an individual serial number Supplied with a Certificate of Graduation Accuracy Buret is self-zeroing style Designed from ASTM E 287, Class A requirements Filling tube and overflow tube at the top of the buret accept 1/4” i.d. flexible tubing. Filling is through stopcock. Scales are…

These 5mL Class A PYREX® microburets are designed for precise analytical methods in microchemistry. Precision bore tubing throughout the body assures accuracy between any two points. Funnel top facilitates addition of reagents by pouring, or by suction from below through a rubber-stoppered tube.…

KIMAX® precision bore automatic burets are used in applications requiring the highest degree of precision and accuracy for volumetric analysis. These are ideal for repeat titrations requiring traceable volumetric accuracy or when the titrant should not be handled. Packed complete with a…

VEE GEE Scientific Class A Burets w/ PFTE Stopcocks meet ASTM E-287 Class A Specifications. Made from precision, uniform Schott DURAN® true-bore tubing to ensure the stipulated capacity tolerances. These burets (also known as burettes) feature durable, permanent markings, fine, sharp lines, and…

Designed "to deliver" the Glass Buret accurately dispenses liquid and meets ASTM E-287 Class A specifications.

Without stopcock 5579M10 Buret is graduated from 0.5 to 50 mL in 0.1 mL divisions, tolerance ±0.10 mL.

Class B straight bore buret barrel only Furnished without stopcock Lubri-Flo® stopcock barrel 50 mL

These 10mL Class A PYREX® microburets are designed for precise analytical methods in microchemistry. Precision bore tubing throughout the body assures accuracy between any two points. Funnel top facilitates addition of reagents by pouring, or by suction from below through a rubber-stoppered…

…PYREX® burets are suitable for use in school and institutional laboratories not requiring the accuracy of our Class A models. They are used when dispensing large volumes of liquids rapidly and accurately. Made from close tolerance, accurate bore tubing with uniform walls, these burets…

… Made from high-quality borosilicate tubing with a low coefficient of expansion Feature durable, permanent markings; fine, sharp lines; and large easy-to-read numbers Supplied with PTFE stopcocks to eliminate freezing and lubricant contamination Meet ASTM E-287 Class A Specifications

…is set at a 55 degree angle to the center of the graduated scale Offset dispensing tip Burets have funnel tops Durable black ceramic enamel scale Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Safer and more break-resistant than glass Clear plastic with black markings, individually calibrated Polymethylpentene stopcock and tip; stopcock plug Teflon ® , 2 mm bore Resistant to dilute acids and bases, except hydrofluoric acid and ammonium hydroxide; not for use with alcohol…

With PTFE stopcock Includes plastic KIM-KAP® dust cap Scale is durable black ceramic enamel. Plain top. ASTM E287, Class B.

With funnel top and PTFE stopcock plug with 2 mm diagonal bore Capacity 50 mL in 1/10 mL divisions; limit of error 0.05 mL Each buret is serial numbered and supplied with a certificate of graduation accuracy.

…ground tip 1983J70, 25mL buret has a permanent brown stained scale KIM-KAP™ dust cap is included Funnel fill style buret Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements The stopcock…

Class B accuracy With filling tube and overflow tube Kimax®, with 3-way PTFE stopcock overflow cups and refill tube. Filling is through stopcock. Overflow tube at the top of the buret that accepts 1/4” i.d. flexible tubing. Buret is self-zeroing style. Stopcock for all sizes is…

Burettes are made from the highest quality accurate bore tubing to provide a high degree of accuracy, reliability, and durability. Accuracy as per Class "B". PTFE stopcock and tip detaches from the body of the burette for easy cleaning and convenient replacement of broken tips.

Made of borosilicate glass, these precision type, Class A burets have a straight 2mm PTFE stopcock. Calibration is in compliance with ASTM E 694 specifications. Reference No. ASTM E 287 Laboratory Glass Graduated Burets

Borosil® Boroflo Burettes ("Burets") provide users with the ultimate flow control. Replaceable Boroflo PTFE Screw-Thread Keys create a chemically-resistant, leakproof system which requires no lubrication whatsoever. Each Borosil® Burette is calibrated by automatic laser…