Used in the determination of carbon residue in petroleum products. ASTM D524.

Similar to 3432N40 series, but with PTFE pestle and an unground glass tube Ideal for soft tissues Clearance between pestles and tubes is .004 to .006 inches* Pestle can be motor driven (see Thomas number 3411E25 for Drive Unit) Available in working capacities of 0.5, 1, 3, 5, 8,…

Re-suspend protein and DNA pellets or grind soft tissues in micro centrifuge tubes Pestles can be hand operated or motor driven Autoclavable types available Ideal for cell and tissue culture preparation Choose the best pellet pestle for your applications RNase-, DNase- and Pyrogen-free …

Apparatus is for determining the proteinaceous nitrogen content in water. It is also useful for preparing small quantities of distilled water. Apparatus can be used for phenol, selenium and fluoride determinations. It has 24/40 Standard Taper joint and a #2 hose connection. Unit measures 595 mm H x…

Ideal for use with gel filtration, ion exchange, affinity and adsorption media Economical Easy to use Universal fittings and tubing connections Ideal for use with gel filtration, ion exchange, affinity and adsorption media. Polypropylene reservoirs and column outlets are permanently…

Used for dispensing a fixed volume of liquid into vessels with small openings. 675300 polyacetal Standard Taper clamp (one included) secures flask and head All-glass apparatus manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type…

For use with hybridization incubators with rotors Reduced probe volumes Perform Northern, Southern or Western blots Include caps with silicone O-rings Tubes provide a cleaner and safer alternative to hybridizing in bags. Use only approximately 5 mL of probe per blot. Multiple…

For ASTM D 97, D 2500 Cylindrical with flat bottom, beaded rim and marking spot Height 125 mm; o.d. 35 mm With graduation ring 54 mm from bottom

Jacketed CHROMAFLEX® columns are provided with an acrylic water jacket to provide thermal control of temperature-sensitive chromatographic separations.  The acrylic jacket also acts as a safety shield.  Threaded Recommended sterilization is with ethylene oxide, 2N NaOH or…

All-glass construction with ground tube Ideal for connective tissues Clearance between pestles and tubes is .004 to .006 inches* Pestle can be motor driven (see Thomas number 3411E25 for Drive Unit) Available in working capacities of 1, 5, 8, 17 and 45 mL . * Stated clearances…

Gravity chromatography column manufactured from medium wall tubing with PTFE stopcock and in-line reservoir for containing liquid buffer Standard Taper joint size 24/40 These gravity columns may be used alone or in combination with 420575-2440 flow control adapter A coarse porosity glass…

This closed system tissue homogenizer (tube with pestle) is non-sterile and packaged in a bulk pack configuration.

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

Selected to give the best fit to Pellet Pestles, Thomas 3411D75 series Constructed of autoclavable polypropylene Available in blue or natural color

Columns are supplied complete with glass barrel, 2 end fittings with 20 μm porosity HDPE bed supports, and screw caps Each column is also supplied with 5 feet (1.5 m) of FEP PTFE tubing (1/16” OD with 1.0 cm; 1/8” OD with 2.5 and 4.8 cm), 2 flangeless tubing nuts and 2 flangeless…

Snyder distillation column with floating ball valves for improved vapor-liquid contact. Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.

Columns are supplied complete with glass barrel, 2 end fittings with 20 μm porosity HDPE bed supports, and screw caps Each column is also supplied with 5 feet (1.5 m) of FEP PTFE tubing (1/16” OD with 1.0 cm; 1/8” OD with 2.5 and 4.8 cm), 2 flangeless tubing nuts and 2 flangeless…

FLEX-COLUMNS® are economical and easy-to-use. Short columns are typically used for ion exchange chromatography, sample desalting and semi-disposable applications, while the long columns are ideally suited for gel filtration and adsorption chromatography. Constructed of polypropylene…

Similar to 3432N01 series, but with PTFE pestle and an unground glass tube Ideal for soft tissue such as brain or liver Clearance between pestles and tubes is .004 to .006 inches* Pestle can be motor driven (see Thomas number 3411E25 for Drive Unit). Available in working…

Produces a relatively coarse homogenate For cellular work where the nucleus remains intact after homogenization All glass construction * Stated clearances for the tubes and pestles are “total” not “annular”.

Made of autoclavable CTFE/Stainless Steel Optional cordless drive unit available, see Thomas number 3411E25.

A Standard Taper clamp made of corrosion-free stainless spring wire.

The reinforced top and tooled lower end of this KIMAX® column provide extra strength and a tight, leakproof fit with an all-PTFE stopcock. An o-ring has been added under the PTFE fitment to maintain a liquid-tight seal over a large temperature range (0-100 °C) Liquid contacts…

The reinforced top and tooled lower end of this KIMAX® column provide extra strength and a tight, leakproof fit with an all-PTFE stopcock. An o-ring has been added under the PTFE fitment to maintain a liquid-tight seal over a large temperature range (0-100 °C) Liquid contacts…

Economy Three Hole Cap Systems Economical way to helium sparge and deliver mobile phases Cap body is manufactured from PTFE and is supplied with a TFE/propylene O-ring and a polypropylene screw collar. The connecting threads on the top of the cap use standard 1/4-28 flangeless fittings. Two of…

Three Hole Cap Systems Borosilicate glass and PTFE construction Excellent chemical resistance to most HPLC mobile phases Cap body is manufactured from PTFE and is supplied with a TFE/ propylene O-ring. Connecting threads on top and bottom of the cap use 1/4-28 fittings. Supplied flangeless…

The narrow annular space of the West design provides high cooling efficiency due to the increased flow rate of the cooling medium. Full length 24/40 joints Standard Taper outer joint at the top and Standard Taper inner drip joint at the bottom Manufactured from 33 expansion, low…

This apparatus combines two analytical techniques, Soxhlet extraction and Dean-Stark azeotropic distillation, into a single process for the removal of water, chlorinated dibenzo-p-dioxins (CCDs) and chlorinated dibenzofurans (CDFs) from wet particulate samples. Determination of water and…

Ideal for use in place of a sand bath in microscale experiments. Excellent heat transfer Does not interfere with magnetic stirring

A convenient stainless steel universal joint with 5/16 inch OD shaft and polyacetal adapter connects stirrer shafts to stirrer motors. Flexible design allows connection even if alignment is not precise. Stirrer Adapter, Flex-Shaft. For 8-10 mm Shafts

This column features all borosilicate glass construction with an 85 mL reservoir The glass wool plug and PTFE tubing at the bottom of the column are held securely in place by a BEVEL-SEAL™ connection, facilitating easy cleaning and assembly PTFE BEVEL-SEAL™ stopcock connector is…