United Scientific Supplies

A set of 5 springs with different spring constants. The forces required for a 1 CM extension are 0.25N, 0.5N, 1N, 1.5N, and 2.5N respectively. Pre-stress has been removed for accurate results. With a hook to support a weight hanger and a red arrow to indicate position.

Low Retention Micropipette Tips, Racked are disposable tips intended for use with most brands of pipettors. Manufactured from 100% pure porous polyethylene, filters are designed to prevent liquids and aerosols from entering the body of the micropipette to protect against cross-contamination. Tips...

Set of ten hooked weights are made of high quality stainless steel. Includes one of 200g, two of 100g, three of 50g, and four of 20g weights.

An excellent, faster working, alternative to traditional gravity based liquid filtration. Contents: 500ml Filtering Flask 90mm porcelain Buchner Funnel Hand Vacuum Pump with Gauge Pack of 90mm Filter Papers (pack/100) Rubber Stopper Vacuum Hose Instruction Manual

This clamp features plastic coverd spring jaws. Accepts burettes up to 35mm OD, and support rods up to 0.5" OD. Available as a single or double burette clamp.

Polypropylene beakers feature easy to read silk screened printed graduations. Beakers are autoclavable. Tapered stacking style saves space and makes it easy to handle.

Explore Newton’s laws of motion and demonstrate the equilibrium of forces with this economic tool. The lightweight design and suction cup feet enable placement on horizontal or vertical surfaces, including whiteboards. Included clamps securely hold spring scales in place while allowing for...

Ideal for scraping and mixing applications in the laboratory. Here's a reliable addition to your lab tools: a Rubber Policeman. This useful instrument is typically paired with a glass stirring rod and is designed to aid in the manipulation and transfer of precipitates. It's also ideal for stirring...

UniStore™ Wide Mouth, HDPE, reagent bottles are manufactured from USP Class VI resin that is FDA-21CFR compliant. The amber bottles are designed to reduce UV light transmission to protect light-sensitive contents, and conform to USP requirements for storage of light sensitive materials....

Polypropylene T-shaped connectors with serrated ends are ideal for leak-proof tubing connections. Autoclavable.

This versatile multimeter includes AC voltage, DC voltage, DC current, continuity, resistance, transistor and battery test modes. Features an easy-to-read 3.5” digital LCD display. Supplied with two 24 in. 18 gauge test leads. Requires one 9V battery (included).

Mortars have pouring spout, are glazed outside only, with porcelain pestles glazed to grinding surface.  

Borosilicate glass cylinders with pour spouts feature heavy uniform wall tubing and strong, stable hexagonal bases and a glass stopper. All cylinders come with bumper guards. Single metric scale calibrated "To Contain", accuracy per Class "A". ASTM E-1272, meets USP standards,...

An assortment of the most commonly used lab tools available as one convenient set. Contains one each of the following: Test tube brush, spatula, crucible tongs, test tube clamp, lab scoop, and forceps.

United high alumina crucibles are made of 99.7% pure aluminum oxide. Highly resistant to chemical attack. Recommended for chemists, metallurgists and others involved in high temperature work demanding contamination free results.

Economical yet very durable racks that are submersible, autoclavable, and easily stack when empty.  Made from a special blend of polypropylene (PP) that makes them sink in a water bath and maintain their stability, even in agitated water.  The top tier features an alphanumeric grid...

The MAKERSPACER DIY Line uses advanced mathematical design with simple to use laser cut wooden parts to create a fun and easy to use design experience. Accompanying the series is a detailed theory book. This resource extends beyond simple assembly instructions to offer a deep dive into the...

This durable and autoclavable Cryo rack can hold 50 vials. Unique design at the bottom of each well lets vials be unscrewed without removing them from the rack. The rack features an alpha numeric index, and anti-skid rubber feet.

Economical and convenient starter kit or refresher set.  Includes an assortment of popular plastic labware items. All items in the set, except wash bottles, are autoclavable.  An excellent value, this set includes 26 labware items in addition to 12 plastic tubes.  Contains: 5 Beakers...

Quick and easy tools for demonstrating thermal expansion. There are four bar combinations: Brass/Aluminum, Brass/Iron, Copper/Iron, and Brass/ Copper. Since each metal has a different coefficient of thermal expansion, they will create a unique curve when paired with a different metal. Metal bars are...

An ideal starter set for any laboratory, this set contains 5 plastic beakers in sizes 50ml, 100ml, 250ml, 500ml, and 100ml

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...

Sterile tips are packaged in racks of 96 with 10 racks in each case. Manufactured in a precision molding facility from 100% virgin polypropylene, United micropipette tips are DNase, RNase, and Pyrogen free. The highly smooth surface is hydrophobic to provide low liquid retention, increased accuracy...

Useful for testing patellar and other reflexes, this hammer includes a solid rubber head. The triangular shape of the head can be used with wide or narrow targets. Metal handle includes a textured grip that can be held easily and securely. Overall length is 8.5”.