A fine instrument for determining the radius of curvature of spherical surfaces such as mirrors and lenses. Its micrometer screw is graduated to measure displacement as small as 0.01mm. The instrument has two brass plates and three steel legs. A flat glass plate is provided for support while…

Tubing made from fine quality flint glass for easy bending, blowing, and sealing of soft glass apparatus. Tubing is 24” long and available in various diameters. Sold per pound.

This all-glass filter holder is used in particulate contamination analysis for filtering aqeuous, organic, or corrosive liquids. It is also recommended for HPLC solvent filtration. Complete set includes a borosilicate glass funnel, anodized aluminum spring clamp, vacuum base with sintered disc,…

Overall length 9", rivted joints, tips are serrated.

These economical white plastic plates are suitable for most applications in which glass or porcelain plates are used; however, they are not recommended for strong solvents such as acetone or xylene. Each plate measures 112 x 92mm, Supplied in a pack of 12. 6 or 12 cavities, each cavity is 2cm…

These lightweight, autoclavable aspirator bottles are made from polypropylene and can be used for dispensing distilled water and other laboratory solutions. The leak-proof spigot screwed to the bottle requires only a half turn to open or close. Polyethylene cap and stopcock should be removed before autoclaving.

Soft, silicone grip provides improved comfort and handling. Blade is constructed of stainless steel with a flexible, rounded end. Handle is manufactured of polypropylene and layered with a silicone grip. Handle dimensions are 4-1/8”L x 1”W x 1/2”H. Latex-free. Autoclavable.

Our Variable Volume Micropipettes feature built-in tip ejectors and autoclavable tip cones. They work on a click stop digital system, are easy to calibrate and maintain, and easy to disassemble for autoclaving. Manufactured in an ISO 9001:2008 certified facility, these pipettes are highly accurate.…

Transfer (Volumetric) pipettes are manufactured from specially selected, heavy wall machine drawn borosilicate accurate bore glass tubing. They have precision fored jets and bevel ground ends to resist chipping. The graduation marks are in durable white enamel or amber stain; both are resistant…

Lab Supplies Weighing Boats United Scientific. Ideal for weighing, evaporating, dispensing, and storing samples.

Disposable polystyrene petri dishes offer optical clarity and strength at economical prices. 65mm dish includes a molded-in grid on the lid for easy colony counting. Sterilized.

Microscope clear slides, glass, 3" x 1", 1.3mm thick, one end frosted to make it easy to mark and read.

These mini pipettes include a two step plunger that facilitates super blow out from the tip. Can be used for reverse pipetting and repetitive pipetting, fully autoclavable. Color coded plungers. Individually calibrated per DIN 12650

An insulated snap-on connector with 15cm red and black leads.

One-piece molded racks have a three-tier grid design. Polypropylene construction provides good chemical and thermal resistance. Autoclavable. Racks feature a 3/4" x 2-3/4" labeling area on two sides. Open design allows easy viewing of contents from all sides.Available in sizes that hold 13mm or…

Polycarbonate racks feature ergonomic design for easy handling. Provides good chemical resistance. Autoclavable and withstands temperatures from -135°C to 135°C. Includes molded-in numbers and letters for easy identification of test tubes.

Protect against cross-contamination using these racked, sterile low retention filter pipette tips. Retention level is 10 times lesser with viscous samples than standard pipette tips. These universal tips are manufactured from polypropylene and the filters are manufactured from polyethylene with a…

These ingenious racks with a 3-tier design provide clear view of the tube contents & convenient insertion & removal of tubes. The PC Rack has transparent upper & middle plates. These autoclavable racks can withstand sub-freezing temperatures. 

These autoclavable desiccators are made of polypropylene and polycarbonate and can hold vacuum up to 740mm Hg for 24 hours without any greasing. The PP stopcock has a self lubricating PTFE plug that works to create the vacuum, shut it off and release it. Autoclavable at 120°C for fifteen…

This heavy-duty autoclavable bottle features thick walls and is designed for repeat vacuum applications. Cap includes a non-toxic silicone O-ring for a secure seal. Threads should be tottaly disengaged before autoclaving.

Glass thermometer mounted on aluminum back. Thermometers are filled with approximately 3 grams of Toluene mixed with red color.

This Collection contains 20 Types of Basic Rocks Specimens of Igneous, Sedimentary & Metamorphic Rocks Types. The Rock Specimens include Basalt, Gabbro, Granite, Obsidian, Pegmatite, Pumice, Anthracite, Gneiss, Marble, Quartzite, Serpentine, Slate, Chalk Lumps, Conglomerate, Diatomite, Flint,…

UniStore™ Narrow Mouth, HDPE, reagent bottles are manufactured from USP Class VI resin that is FDA-21CFR compliant. Excellent chemical resistance to most acids, bases, and alcohols. Polypropylene caps are included. Manufactured from USP Class VI resin that is FDA-21CFR compliant…

Made of fine particle compressed cork, these rings are designed to support round bottom flasks, beakers, dishes and more. Cork is naturally elastic with very low thermal and electrical conductivity properties. Small cork stand has a diameter of 100mm and holds 250ml to 2000ml round bottom flasks.…

Straight pipettes with glass tube and tapered rubber bulbs. About 70mm long with 2ml capacity.

These polypropylene tubes feature a screw top with easy to read black graduations. These sterile, conical bottom tubes also feature a writing area to allow for easy sample identification. Temperatures between 0-40degrees Celsius are the suggested working range.

Manufactured from 304 Stainless Steel, United Scientific REUZ™ (“re-use”) Beakers with Handles feature graduations stamped into the inside wall for easy reading of volumes in milliliters or ounces. Include a pouring spout and large, comfortable stainless steel handle. The corrosion-resistant…

Hook Collar clamps are ideal for suspending pulleys, balances, etc from support rods or cross members. Available for rods up to 0.5" or 0.75".

Made of plated steel wire for handling cover glasses and slides carefully and tight.

Disposable culture tubes are manufactured from high quality borosilicate glass. Rimless design enables easy plugging using a stopper. Caps not included. Tubes meet ASTM standards and are alkali-free and inert.

These 4.5" long plastic forceps feature serrated inside tips and ribbed finger supports.

This versatile polypropylene reservoir is useful for single and multichannel micropipettes. Positioned one way. It provides a 50 mL reservoir for use with a single channel micropipette. Flipped over, it provides a numbered reservoir with eight separate 5 mL reagent channels, and a numbered…