General

These grade XXX tapered cork stoppers are an excellent choice for general laboratory use. They are effective for both liquid and solid mediums, and offer light weight, resilience and compressibility. Chemically inert and moisture resistant. Sold as packs (100 per PK )

This zinc plated stamped steel burette clamp has a steel thumbscrew and can be used with rods up to 3/4" in diameter.  The distance between the two burettes is 7-1/4" (18.4cm). (1 per EA)

United Scientific® Steritrue™ Sterile Sampling Scoops, Metal Detectable Polystyrene, 60 ml (2 Oz) (100 per PK )

Constructed from painted aluminum and stainless steel, this sturdy support jack is designed with a scissor lift to enable quick height adjustment at the turn of a knob. The 6-inch x 6-inch platform can be vertically adjusted from a closed position of 3 inches to a maximum of 10.5 inches. Maximum load capacity is 20kg. (1 per EA)

Our deluxe line of 3-prong extension clamps are constructed of pressure die-cast zinc alloy and are chrome-plated. Clamps open to about 3", have a recommended maximum grip size of about 2.25", and feature double keyed spring-type adjustment screws. Extens (1 per EA)

Handy for storage and sterilization of instruments, these durable polypropylene trays include covers that fit snugly into grooves molded into the trays. Available in two sizes: the smaller size can be used to sterilize small instruments, and the large size allows pipettes to be fully immersed in disinfectant before sterilization. Autoclavable. (2 per PK )

Features a 3-prong die-cast clamp attached to a chrome-plated steel rod. Prongs are covered with rubber tubing. Overall length is 10". (1 per EA)

Cast iron, zinc-plated support ring with boss-head clamp and thumbscrew. Distance from support to center of ring is 4-1/2" for all sizes. (1 per EA)

Our deluxe line of 3-prong extension clamps are constructed of pressure die-cast zinc alloy and are chrome-plated. Clamps open to about 3", have a recommended maximum grip size of about 2.25", and feature double keyed spring-type adjustment screws. Boss h (1 per EA)

Sturdy polypropylene plastic rack will hold 12 hydrometers or test tubes up to 25 mm in diameter. Easy to assemble, and chemical resistant. (1 per EA)

This battery holder fits four D cell batteries (not included) and is useful for virtually any experiment requiring a low voltage power supply and ships fully assembled. Five color-coded binding posts on the base make for easy, safe, and reliable connections to hook-up cords providing outlets for 1.5V, 3V, 4.5V, or 6V supply voltages. Battery holder is firmly mounted on a heavy duty base. (1 per EA)

Handy for storage and sterilization of instruments, these durable polypropylene trays include covers that fit snugly into grooves molded into the trays. Available in two sizes: the smaller size can be used to sterilize small instruments, and the large size allows pipettes to be fully immersed in disinfectant before sterilization. Autoclavable. (2 per PK )

Our deluxe line of two prong burette clamps are made of pressure die casted zinc alloy and are chrome plated. Adjustable to hold up to 60mm OD burettes, these clamps feature a spring-type adjustment key. Extension rod is 8.25" long, 5/16" OD, with an over (1 per EA)

These black stoppers are made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions. Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F). Available in solid, one-hole, and two-hole versions. Each stopper has its size marked in raised figures. All stoppers are 25 mm tall. Sold as one-pound bags. (10 per PK )

Stamped steel bases, with black enamel finish. Includes a removable, zinc-plated steel rod. Bases and Rods are also available individually. (1 per EA)

These laboratory scoops are made from high quality stainless steel and are available in two sizes: 5 oz. and 52 oz. (1 per EA)

Stainless steel scoop with one pointed end for handling small amounts of chemicals. Length 6-1/2" (16.5cm). Also available with 5" long hardwood handle. (1 per EA)

United Scientific® Coated Wire Rack, 20-25 mm Tubes, 40 Place, Blue (1 per EA )

This apparatus is useful for holding objects that are too large for standard clamps, such as glass distillation columns and odd shaped glassware. Chain and support band are made of strong chrome-plated brass, and support rod is constructed of stainless steel. Chain is 21” long and can be adjusted to support apparatus from 2” to 6.5” in diameter. Support rod is 0.46” in diameter with a length of 8.5” (1 per EA )

These extension clamps features heavy-duty electroplated zinc alloy construction and dual prong adjustments. Clamps have a maximum temperature use of 80°C. (1 per EA)

Stainless Steel, United Scientific REUZ™ (“re-use”) Scoops are suitable for use with powders and granules in a variety of environments. Rounded bowls of the scoops are completely seamless for easy cleaning. The corrosion-resistant stainless construction includes large handles and smooth, large radius interior surfaces for easy cleaning and protection against bacteria deposits. Available in sizes from 100 mL to 500 mL. Sold individually. REUZ™ products from United Scientific promote sustainability in all laboratory environments. (1 per EA )

Our Magnetic Stir Bars are constructed of high quality magnets coated with PTFE. Along with individual sizes of polygon, octagon, and egg-shaped, two convenient assortments are available. Stir Bar retrievers also available. (1 per EA)

Organize various sized tubes using the Rotator Workstation. Racks can be joined together using the unique rotate and lock design. Add as many racks as you need. Racks can withstand temperatures of -80°C to +121°C and are autoclavable. Built-in ridges enab (4 per PK )

Silicone stoppers are particularly useful due to their inert and nonreactive nature. It will not impair the growth of tissue cultures and resistant to most chemical acids and solvents. (12 per PK )