United Scientific Supplies

We offer a variety of economical ceramic bar, disc, and ring shaped magnets. Magnets are upainted, except where noted.

Good quality round test tube rack will hold 24 tubes up to 20mm in diameter. Solid high-impact plastic construction. Rack is 145mm in diameter and 70mm high, and features a perforated bottom. Shipped preassembled.

Stainless steel support clamp for lab tables. Hold support rods securely to any table edge up to 2.2” thick. The set screw allows for easy adjustments to hold support rods at various heights. Holds rods up to 0.5” in diamete Fits table edges up to 2.2” Solid stainless steel, 0.6...

Index of refraction plate, made from acrylic or glass.

These high-quality translucent polypropylene wide mouth bottles include easy to read mL volume increments.  The graduation lines are screen printed for sharp contrast, and each bottle has a white write-on area for identification. Bottles are autoclavable and are ideal for storing liquids or...

Burettes with straight bore glass stopcocks are made from the highest quality, accurate bore tubing to provide a high degree of accuracy, reliability, and durability. All graduations are in resilient white enamel. Accuracy per Class "B".

Thermometers feature 5" long stainless-steel probes. Temperatures are shown on a dial display. Includes protective sleeve with pocket clip. This versatile 38mm (1-1/2") diameter thermometer features molded plastic dial, with temperature ranges of -20° C to +50° C, and 0° to 120° F, in 1° divisions....

Use these tips to reduce sample retention for precision. Retention level is 10 times lesser with viscous samples than standard pipette tips. Highly homogenous surface is free of defects, preventing non-specific binding. Manufactured from ultrapure USP Class VI certified, virgin polypropylene. DNase,...

This quality built nylon insect net features a telescoping aluminum handle that extends from 18" to 32". A simple twist of the handle locks and unlocks the handle for varying lengths. A 48" long conical net is mounted on 14" ring.

Serological 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 to normal...

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 of 100.

Demonstrate how two identically sized cans absorb and radiate energy differently. One of the screw cap cans is smooth metal and the other is painted dull black. Water cools or heats at different rates because of the thermal radiation emitted by the two

This non-corrosive funnel holder, molded in PP, can hold funnels with diameters of 3" to 6". The extra plate provided can be placed to hold funnels having diameter 1" to 3". Two tapered wedges are provided to ensure firm grip on rods measuring 1/2" or 3/8" diameter.

Durable, liquid-filled clear magnetic compass is housed in a black plastic rotatable bezel. Graduated in 5° increments. Outer diameter of bezel is 45mm. Outer diameter of clear compass is 35mm. Includes a lanyard.

Density Blocks

Made of plated steel wire for handling cover glasses and slides carefully and tight. Ideal for precision work, these Slide Holding Forceps offer a reliable means to handle microscope slides with care and accuracy. Their design ensures a secure grip, preventing accidental drops or slippage while...

Explore the concept of acoustic resonance with this easy-to-use kit. Students will use a tuning fork or a smartphone app to generate sound through a metal tube of variable length, which is closed at one end and open at the other. They will investigate which lengths of tube amplify sound, drawing...

Full-sized human scull model is molded from PVC plastic and hand-painted to show anterior, internal, and lateral views.  Mounted in a rotatable metal wire harness on a plastic stand.  Includes a fold-out laminated color guide indicating 77 labeled structures of the skull. One side of the...

Magnetic stir bar assortment, 20 each (2 Each of all MSB'S, MSZ12, MSZ70,MSHL15,30 &50) Stirring solutions in the lab is made easy and efficient with this assortment of Magnetic Stir Bars from United Scientific Supplies. This product includes a variety of sizes and shapes, ensuring compatibility...

Rectangular glass block with two frosted sides, 114mm x 63mm x 19mm.

This economy Hall’s carriage is perfect for demonstrations and investigating principles such as Newton’s laws, acceleration, velocity and friction. This economy Hall’s carriage has a durable plastic body with a roomy well for additional masses (not included). The hole on the front...

Knife Switches for low voltage experiments (less than 36V) with plastic bases. These items are available with either thumbscrew or spring binding posts.

Boxed set of High Quality Acrylic Prisms, made from clear acrylic sheet, all sides polished. The set consists of sic prisms in a variety of shapes, and an activity guide. Includes: 1 Rectangular block, 1 Semi-circle, 1 Equilateral prism, 1 Double convex lens, and 2 Double concave lenses.

The Earth/sun system demonstrates the seasons, eclipses, and the phases of the moon. The sun has a LED that sends a spot of light onto the Earth. The sun turns with the handle as the user changes the seasons. The moon revolves around the Earth as the Earth rotates around on its axis. The angle of...