General Lab Products & Reviews

The standard taper stopper incorporates a plain tip tube as the distributor. These bottles have a large hexagonal base for stability. Tubulations are 18 mm O.D.

The standard taper stopper incorporates a plain tip tube as the distributor. These bottles have a large hexagonal base for stability. Tubulations are 18 mm O.D.

The standard taper stopper incorporates a plain tip tube as the distributor. These bottles have a large hexagonal base for stability. Tubulations are 18 mm O.D.

These PYREX® bulbs are for the absorption of CO2 in carbon determination. Weight, when filled, is approximately 135 grams. A turn of the interchangeable stopper closes both inlet and outlet tubes which have 6mm O.D.

These 1L 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 have a permanently colored scale. Tips are carefully drawn and ground to reduce chipping. Provided with a Polytetrafluorethylene (PTFE)…

These 250 mL 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 have a permanently colored scale. Tips are carefully drawn and ground to reduce chipping. Provided with a Polytetrafluorethylene (P…

These 500 mL 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 have a permanently colored scale. Tips are carefully drawn and ground to reduce chipping. Provided with a Polytetrafluorethylene (P…

The capacity tolerance on this Class A 100 mL PYREX® buret is established by ASTM E-287 and is calibrated in accordance with ASTM E-542. Tips are carefully drawn from accurate bore tubing to insure proper drainage rates. This buret has colored markings, fine, sharp lines and large easy-to-read numbers. The stopcock barrel has a smooth micro-finish to assure leak-resistant performance. Each buret is supplied with a dust cover.…

The capacity tolerance on this Class A 25 mL PYREX® buret is established by ASTM E-287 and is calibrated in accordance with ASTM E-542. Tips are carefully drawn from accurate bore tubing to insure proper drainage rates. This buret has colored markings, fine, sharp lines and large easy-to-read numbers. The stopcock barrel has a smooth micro-finish to assure leak-resistant performance. Each buret is supplied with a dust cover. A…

The capacity tolerance on this Class A 50 mL PYREX® buret is established by ASTM E-287 and is calibrated in accordance with ASTM E-542. Tips are carefully drawn from accurate bore tubing to insure proper drainage rates. This buret has colored markings, fine, sharp lines and large easy-to-read numbers. The stopcock barrel has a smooth micro-finish to assure leak-resistant performance. Each buret is supplied with a dust cover. A…

The capacity tolerance on this Class A 10 mL PYREX® buret 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 NIST standards. Tips are carefully drawn from accurate bore tubing to insure proper drainage rates. This buret has colored markings, fine, sharp lines and large easy-to-…

The capacity tolerance on this Class A 100 mL PYREX® buret 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 NIST standards. Tips are carefully drawn from accurate bore tubing to insure proper drainage rates. This buret has colored markings, fine, sharp lines and large easy-to…

The capacity tolerance on this Class A 25 mL PYREX® buret 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 NIST standards. Tips are carefully drawn from accurate bore tubing to insure proper drainage rates. This buret has colored markings, fine, sharp lines and large easy-to-…

The capacity tolerance on this Class A 50 mL PYREX® buret 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 NIST standards. Tips are carefully drawn from accurate bore tubing to insure proper drainage rates. This buret has colored markings, fine, sharp lines and large easy-to-…

Buret with automatic zero, Rotaflo dual stopcock. The dual stopcock helps eliminate titration errors.

(This is the suggested replacement for 2111-50)These 50 mL PYREX® burets have an automatic zeroing device and dual Rotaflo® stopcocks for easy controlled filling. Greaseless Rotaflo® stopcocks allow smoother control and help eliminate titrating errors."

These economical 25 mL PYREX® burets are designed to reduce replacement costs by using replaceable components. These sturdy burets have tooled tops and bottoms and white enamel graduations. The replaceable screw thread locking the Polytetrafluorethylene (PTFE) stopcock with ground tip is compatible with 2116 buret bodies. The 2116-GTO2 replaceable tip has a ground end which provides a better grip and helps prevent the tip from…

These are replacement bodies for the PYREX® 25 mL Economy Grade Burets (No. 2116-25).

These economical 50 mL PYREX® burets are designed to reduce replacement costs by using replaceable components. These sturdy burets have tooled tops and bottoms and white enamel graduations. The replaceable screw thread locking the Polytetrafluorethylene (PTFE) stopcock with ground tip is compatible with 2116 buret bodies. The 2116-GTO2 replaceable tip has a ground end which provides a better grip and helps prevent the tip from…

These are replacement bodies for the PYREX® 25 mL Economy Grade Burets (No. 2116-50).

Replacement tips for 2116 style buret

These are replacement Polytetrafluorethylene (PTFE) locking stopcocks for the PYREX® 25 mL and 50 mL Economy Grade Burets (Nos. 2116-25 and 2116-50).

This is a replaceable glass tip for the Polytetrafluorethylene (PTFE) non-locking stopcock assembly No. 2145-SO.

These 10 mL PYREX® burets are suitable for use in school and institutional laboratories not requiring the accuracy of our Class A models. Supplied with a Product Standard Polytetrafluorethylene (PTFE) stopcock plug to reduce freezing and eliminate lubricant contamination. The microfinish of the barrel provides a precision fit. The tips are carefully drawn for accuracy to insure proper drainage rate. Each buret is supplied with…

These 100 mL PYREX® burets are suitable for use in school and institutional laboratories not requiring the accuracy of our Class A models. Supplied with a Product Standard Polytetrafluorethylene (PTFE) stopcock plug to reduce freezing and eliminate lubricant contamination. The microfinish of the barrel provides a precision fit. The tips are carefully drawn for accuracy to insure proper drainage rate. Each buret is supplied wit…