A general purpose column for analytical separations A plug of glass wool can be used to support the column packing PTFE stopcock plugs, 821001-0002 and 821001-0004, control the flow rate Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I…

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”.

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

The KONTES® DISPOSAFLEX® column is an inexpensive, multi-purpose column designed to satisfy a wide range of analytical separations using aqueous buffers. A typical application of the Disposaflex® column is the extraction of the cyclic nucleotides cAMP and cGMP from sample preparations…

The Kuderna-Danish apparatus was developed in the laboratories of Julius Hyman and Company for the concentration of trace amounts of sample dissolved in organic solvents. The column is designed to speed evaporation with reduced hold-up. It is very useful in sample preparation before analysis with…

KIMAX® desiccators are designed and made for durability and efficiency in daily laboratory use. Ideal for removing moisture from solids, storing hygroscopic materials, and applications requiring vacuum desiccation. Can also be used for cooling oven-dried samples while maintaining sample…

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…

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

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…

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…

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…

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…

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…

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,…

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.

Resuspend protein and DNA pellets or grind soft tissues in micro centrifuge tubes Pestles are made of autoclavable blue polypropylene Pestles specially designed to match microtubes Optional cordless drive unit available , see Thomas number 3411E25 .

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

Excellent for storage of hygroscopic chemicals, and to prevent adsorption of moisture when using crucibles, weighing bottles, and watch glasses. Plastic screw-thread top cap for easy cover removal Recessed base for containment of desiccant Includes metal plate Manufactured from…