General Lab Products & Reviews

Precision bore tubing is used 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. Each buret is supplied with a dust cover. All sizes furnished with a 2 mm bore stopcock plug. The capacity tolerance on these burets is established by ASTM E-287 and they are calibrated in accordance with ASTM E542.

Precision bore tubing is used these 10 mL 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 Certificate of Identification and Capacity, traceable to NIST standards. Durable colored graduations are sharply defined and easy to read. Carefully…

Precision bore tubing is used these 100 mL 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 Certificate of Identification and Capacity, traceable to NIST standards. Durable colored graduations are sharply defined and easy to read. Carefully…

Precision bore tubing is used these 25 mL 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 Certificate of Identification and Capacity, traceable to NIST standards. Durable colored graduations are sharply defined and easy to read. Carefully…

Precision bore tubing is used these 50 mL 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 Certificate of Identification and Capacity, traceable to NIST standards. Durable colored graduations are sharply defined and easy to read. Carefully…

Reservoir at top with product standard 2 mm bore PTFE plug.

Reservoir at top with product standard 2 mm bore PTFE plug.

These PYREX chromatography reservoirs have a central cavity for a mobile phase inlet reservoir, an autoclavable plastic coat that absorbs UV up to 385nm, and a GL-45 thread finish. These may be used with our 3-hole cap #1395-3H.

This PYREX chromatography reservoirs has a central cavity for a mobile phase inlet reservoir, an autoclavable plastic coat that absorbs UV up to 385nm, and a GL-45 thread finish. This may be used with our 3-hole capCat. No. 1395-3H.

These PYREX chromatography reservoirs have a central cavity for a mobile phase inlet reservoir, an autoclavable plastic coat that absorbs UV up to 385nm, and a GL-45 thread finish. These may be used with our 3-hole cap #1395-3H.

These PYREX chromatography reservoirs have a central cavity for a mobile phase inlet reservoir, an autoclavable plastic coat that absorbs UV up to 385nm, and a GL-45 thread finish. These may be used with our 3-hole cap #1395-3H.

These 125 mL PYREX® atomizers are used for spraying reagents onto thin layer chromatography plates. They have a full length 24/40 Standard Taper joint between the reservoir and spraying device.

These 250 mL PYREX® atomizers are used for spraying reagents onto thin layer chromatography plates. They have a full length 24/40 Standard Taper joint between the reservoir and spraying device.

The PYREX® distilling condenser has 14/20 Standard Taper inner and outer joints, is simple in design and easy to use. Side tubulations are 10mm O.D. Distilling condensers are widely used in the lab, especially for fractionation. This condenser is also a replacement for organic chemistry kit No. 6949K.

The PYREX® distilling condenser has 19/22 Standard Taper inner and outer joints, is simple in design and easy to use. Side tubulations are 10mm O.D. Distilling condensers are widely used in the lab, especially for fractionation. This condenser is also a replacement for organic chemistry kit No. 6949E.

Brand: PYREX®

These PYREX® replacement 10 mL tubes fit the Kuderna Danish Apparatus and have an outer 19/22 Standard Taper joint. The tube graduations go from 0 to 2 mL in 0.1 mL increments and from 3 mL on in 1.0 mL increments.

These 500 mL PYREX® replacement flasks fit the Kuderna Danish Apparatus and have a 24/40 Standard Taper top and 19/22 Standard Taper lower joint.

This 10 mL PYREX® replacement Kuderna-Danish tube has a 19/22 outer Standard Taper upper joint. The tube graduations go from 0 to 2 mL in 0.1 mL increments and from 3 mL on in 1.0 mL increments.

This complete 250 mL PYREX® Kuderna-Danish Concentrator apparatus consists of a 3-ball Snyder column with 24/40 Standard Taper joints (2158-3CO), a 250 mL flask with a 24/40 outer Standard Taper upper joint and 19/22 inner Standard Taper lower joint, and a 10 mL graduated tube with 19/22 outer Standard Taper joint. The tube graduations go from 0 to 2 mL in 0.1 mL increments and from 3 mL on in 1.0 mL increments. If further con…

This 250 mL PYREX® replacement Kuderna-Danish flask has a 24/40 outer Standard Taper upper joint and 19/22 inner Standard Taper lower joint and includes a pair of 1 1/4 inch stainless steel springs.

This 25 mL PYREX® replacement Kuderna-Danish tube has a 19/22 outer Standard Taper upper joint. The tube graduations go from 0 to 2 mL in 0.1 mL increments and from 3 mL on in 1.0 mL increments.

This 3-ball PYREX® Snyder column has a 24/40 Standard Taper inner joint on the lower end and a 24/40 Standard Taper outer joint on the upper end.

This complete 500 mL PYREX® Kuderna-Danish Concentrator apparatus consists of a 3-ball Snyder column with 24/40 Standard Taper joints (2158-3CO), a 500 mL flask with a 24/40 outer Standard Taper upper joint and 19/22 inner Standard Taper lower joint, and a 10 mL graduated tube with 19/22 outer Standard Taper joint. The tube graduations go from 0 to 2 mL in 0.1 mL increments and from 3 mL on in 1.0 mL increments. If further con…

This 500 mL PYREX® replacement Kuderna-Danish flask has a 24/40 outer Standard Taper upper joint and 19/22 inner Standard Taper lower joint and includes a pair of 1 1/4 inch stainless steel springs and two sizes of Keck clamps.