United Scientific Supplies

Our polypropylene one-piece measuring cylinders have raised graduations for easy readability. They are autoclavable and have excellent contact clarity. The hexagonal base provides excellent stability to the cylinder, and the tapered spout enables easy pouring of reagents. Stated tolerances are the...

This miniature DC motor is designed for experiments using low starting voltage (4.5V) and current (70mA). Speed: 1000-5000 RPM. Motor is approximately 34mm long x 24mm in diameter. Shaft size is 10mm long x 2mm in diameter. Includes soldered-on 7" lead with alligator clips.

Rugged Plastic Pulley with deep V groves mounted on a metal clamp. Th sheave is 50mm in Diameter. Clamp can be mounted on surfaces up to 35mm thick.

Set of 2 lenses, 1 concave and 1 convex, 38mm diameter, 150mm focal length.

Plastic Insulated Copper wire is 22 gauge, supplied in 100 foot rolls and available in three colors. Bare Nickel Chromium Wire is supplied in 4 ounce spools. Enameled Copper Magnet Wire is supplied in 4 ounce spools. Soft Bare Copper Wire is available in 4 ounce or 1 lb spools.

UniStore™ polyethylene terephthalate glycol (PETG) bottles are designed for long-term storage of media, biological buffers, and various reagents. Bottles are leakproof (tested to 95 kPa), durable, as well as freezer-safe, making them ideal for storage and transport. Includes a high-density...

Screw Compressor Clamps are made fo steel wire and nickel plated. Opens to either 3/4" or 1" and is available as a “closed” or “open” type.

Sedimentary rocks are types of rocks that are forms by the deposition of materials on the Earth’s surface and within bodies of water. The set included: bituminous coal, breccia, chalk lumps, chert, diatomite, flint, laterite, lime stone black, lime stone siliceous, mud stone, rock phosphate,...

Constructed of anodized aluminum, with steel hooks, this spring scale is extremely durable. Available in seven color-coded sizes.

Hardwood half meter stick for use with our Demonstration Balance Support or other laboratory measurement activities.

Designed for repeated laboratory use, United Scientific™ CrystalClear™ crystallizing dishes are made from industrial grade borosilicate 3.3 glass. Dishes are autoclavable, with excellent chemical resistance, a low temperature gradient, and can withstand high temperatures and thermal shocks....

Ideal for scraping and mixing applications in the laboratory. Made from silicone rubber and no other components like Sulphur are added. Rubber is not vulcanized. Sold as a pack of 12.

This comprehensive kit allows students to plot equipotential lines in an electric field between two electrodes held at different electric potentials. A simple setup keeps electrodes partially immersed in water containing an electrolyte, allowing a small current to flow between the electrodes....

This apparatus consists of a metal box (22 x 10 x 11cm), with clear acrylic front panel, two glass chimneys, a candle, and a cotton filled wick as the smoke source. An instruction sheet is also included. Our unit features superior metal box construction, and a shatterproof front panel. Shipping...

Acrylic Semi-circular Lens, 75mm base, 15mm thick.

Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included. Meets Class A specifications per ASTM E-288. Individually serialized and certified.

Set of polymethylpentene (PMP) beakers offers glass-like clarity with the durability of plastic. Includes 5 graduated PMP beakers in sizes 50ml, 100ml, 250ml, 500ml and 1000ml.

This circular 12 place Polypropylene test tube stand has four 25mm diameter holes and eight 19mm diameter holes. The base has matching wells and 16 drying pins surrounded by a trough to catch drippings. Pre-assembled.

This micrometer is made of hardened steel for precision and durability. Its range is 0-25 MM and it has a precision rotary scale with a resolution of 0.01 MM, a ratchet thimble, and a locking lever. Instructions are included. Shipping weight: 9.5 Oz., dimensions: 6" x 4" x 1.5".

Measuring (Mohr Type) 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...

Two identical sized screw cap metal cans (one smooth metal and other painted dull black) to demonstrate the difference in cooling rates of hot water inside the cans due to different surfaces. The difference in the cooling rates is attributed to the thermal radiation emitted by the two cans. Includes...

Buchner funnel includes fixed perforated plate. Funnels are glazed on inner and outer surfaces except for the rim. Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56 x 10-5, gradually increasing to 4.69 x 10-5 at 1050°C. Every batch of porcelain is...

Clear plastic slides measures 3" x 1" and feature raised edges designed to be easily gripped by a nechanical stage. The well is approximately 16mm in diameter with a depth of 2 to 3mm. Supplied 10 per pack

These extension clamps features heavy-duty electroplated zinc alloy construction, dual prong adjustments and addtional fiberglass sleeves. Clamps have a max temperature use of 80°C. CLHD01 - 4" long extension rod is constructed of stainless steel. Prongs open to about 1.75", have a...