Class A, ASTM E287, meets USP standards, serialized and certified. Waiting time of 30 seconds. Manufactured from precision bore tubing and calibrated To Deliver (TD, Ex) on computer-controlled machines. Includes PTFE straight bore stopcock.

Marked with “A” to signify adherence to accuracy specifications 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…

These acrylic burettes are made from a durable acrylic and have a PTFE stopcock. Our 25ml burettes are graduated up to 25ml with subdivisions every 0.1ml, our 50ml burettes are graduated up to 50ml with subdivisions every 0.1ml, and our 100ml burettes are graduated up to 100ml with subdivisions…

Burettes with straight bore teflon (PTFE) stopcocks are made from the highest quality, accurate bore tubing to provide a high degree of accuracy, reliability, and durability. All graduations are in resilient white enamel. Accuracy per Class "A", ASTM E-287, Batch Certified.

Burettes with Screw Thread (PTFE) stopcocks are made from the highest quality, accurate bore tubing to provide a high degree of accuracy, reliability, and durability. All graduations are in resilient white enamel. Accuracy per Class "A", ASTM E-287, Batch Certified.

Smith type for dispensing precise quantities of liquids. The wide base on the flask enables the operator to place the entire unit on the balance pan. Capacity of flask and buret is 10mL. Lower joint is 14/20.

KIMAX buret with a PTFE plug. RAY-SORB processed to protect liquids sensitive to light of shorter wave lengths. KIM-KAP dust cap is included White ceramic enamel scale. Subdivisions: 0.1mL Capacity: 50mL Replacement stopcock is 41500F-2 (8682B22).

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…

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

This buret has a clear acrylic body and leakproof stopcock with a self lubricating PTFE plug. Each buret is individually calibrated for maximum acuracy. Acrylic body is resistant to dilute mimeral acids and bases except Hydrofluoric Acid and Ammonium Hydroxide. It can be used with pH's ranging…

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.

With replaceable components Corning 2116 series Tooled tops Screw thread stopcock Reduce replacement costs with replaceable components. Tooled tops and bottoms. White enamel graduations. Ground glass tip. Plain top.

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.

Colored stripe on white background fused onto back of buret along entire length simplifies reading meniscus Graduated in 0.1 mL divisions PFTE stopcock has 2 mm bore. Plain top.

Manufactured from KIMAX™ borosilicate glass, ValueWare has a low coefficient of expansion and a very high resistance to chemical attack. This means optimal performance in the lab at an affordable price. Long life expectancy, resistant to most chemicals. Ideal for general laboratory use.…

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…

Borosil Burettes, Boroflo fitted with Boroflo General Purpose Screw Thread PTFE Keys, Accuracy as per Class A, ASTM E287-2 with Batch Certificate, 10 mL, CS/ 5

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…

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.

These glass burettes have a straight bore, a ground glass stopcock, and permanent graduations. Class A. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive…

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

Burettes with Screw Thread (PTFE) stopcocks are made from the highest quality, accurate bore tubing to provide a high degree of accuracy, reliability, and durability. Accuracy per Class "A", ASTM E-287. Meets USP Standards, Serialized and Certified, Blue Graduations.

These break resistant transparent acrylic burettes are screen printed in black to Class B accuracy. They are suitable for use in education, research or industrial laboratories, especially where breakages often occur. This series is unaffected by most dilute aqueous solutions (except ammonia and HF)…

PYREX® Economy Grade Replacement Body ONLY