United Scientific Supplies

Demonstrate multiple electrostatic principles: electrophorus, charging electroscopes by induction and contact, electrostatic attraction, repulsion and induction, Faraday’s ice pail experiment, and surface distribution of the charge. Contents include: Electroscopes with ball terminals, charge...

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 taking...

The United Hartl Optical Disk is a compact apparatus that demonstrates the behavior of optical elements by means of ray paths through clear acrylic models. It consists of a circular 9” diameter graduated disk mounted on a stand and fitted with a ray box on an adjustable arm. Narrow, parallel...

Dropping bottles are useful in adding small amounts of a liquid as needed.  With a small squeeze you can control the amount that you are dispensing.  Manufacturered from translucent and low density polyethylene.  Caps are made from polypropylene.  Assembled bottles are sold as...

Non-flammable glass wool for use in general laboratory and industrial applications. Used for filtering out fine precipitates where filter papers are not suitable and the intertwined borosilicate glass fibers provide thermal insulation.

Accurate, non-rolling hexagonal masses are made of steel, and feature a durable black oxidized finish. Available in both customary and metric sizes.

L-shaped spreaders are a convenient way of spreading samples on petri dishes. The spreaders feature a smooth and rounded edged to prevent gouging or scraping while spreading samples. Packs of 100.

Student optical bench contains sufficient equipment for high school physics applications. Set includes the following: 1 Meter Stick, 1 Screen support, 2 Lens Supports for 38mm and 75mm lenses/mirrors, 5 Board screens measuring 10 x 12.5cm with a millimeter scale on both sides, 1 Marker and object, 2...

The Qboidz & Junior Robotics education set is the ultimate solution for Preschool & early Primary school students of ages 5-7. The set allows more than 20 models to be created from the younger age of 3, and the Junior Robotics steps up the complexity for the higher ages and includes the ERP...

Excellent for holding small objects. The PVC-coated jaws are rounded to provide a better grip on round tubes, and can be rotated and locked at any angle. Includes a die-cast aluminum bosshead for easy attachment to a support rod. The all-stainless steel jaw opens from 15mm to 45mm (½”...

This scoop will meet all your needs for your liquid or powdered materials. This laboratory-grade scoop is constructed from polypropylene, a material known for its durability and chemical resistance. Ideal for the precise handling, measuring, or transferring of substances, it offers a reliable...

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 heat tested in...

Our distilling flasks are made from low-expansion borosilicate glass. Uniform wall thickness provides superior mechanical strength and shock resistance. Long side arm is ideal for distillation applications. Feature large white block letters for easy identification of capacity.

Clear plastic magnifier is 110mm (4.50") in length and features dual lenses of 3x and 6x magnification. 3x lens is 50mm in diameter and 6x lens is 20mm in diameter. Handy molded plastic magnifier has 2x, 6x, and 8x magnification lenses.

These clear acrylic refraction cells are excellent for showing refraction and internal reflection in water and to measure its refractive index. The cells have uniform wall thickness to eliminate distortions.

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

Classic demonstration of how a current loop generates a magnetic field. Two coils of insulated wire, with 5 and 10 turns respectively, are wound around a 6" diameter plastic ring. The ring is mounted on a plastic base with 3 binding posts that allow connection to five, ten, or fifteen turns of...

Clamp features vinyl coated three pronged jaws that open to 2.25" wide. Includes fiberglass sleeves and a clamp holder that can be rotated 360°.

Explore the basics of navigation and orienteering with this easy-to-use compass. Product features a sight finder, as well as markings in both the metric and English scales. A detachable lanyard is also included. Map scale is displayed in mm with a ratio of 1:25000. Dimensions: Thickness when folded:...

The Magnetic Bar Retriever by United Scientific Supplies is an essential tool for safely retrieving stir bars from containers. Its 350mm length provides adequate reach for various vessel sizes. Constructed from durable materials, this retriever ensures long-term use. It simplifies the process of...

Learn about static electricity and the function of a dielectric with this device. Two aluminum jars-one with an attached aluminum electrode-and one plastic jar are used to collect the charge. Assembled device is 6"; tall and 3-1/4"; in diameter.

United Scientific™ serological pipettes feature black graduations for precise reading and accurate dispensing. Reverse graduations show volume removed or remaining on all pipettes larger than 1 mL. Negative graduations provide additional pipetting volume. Manufactured from transparent USP...

This sinc 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 7.25"

Tubes with round bottoms are manufactured from ASTM E438 Type 1 Class A Borosilicate 3.3 glass. Includes polypropylene autoclavable screw cap with PTFE liner.