United Scientific Supplies

UniStore™ carboys are made with premium virgin-grade resins to deliver superior durability, safety, and reliability. These high-performance carboys provide secure, leakproof containment for storing, mixing, and transporting a variety of liquids.  Designed for user convenience, these...

This magnet is generally fed to cows to attract metal particles they may have ingested while grazing. Students can use it in the classroom for magnetic field demonstration and other interesting experiments.

These stackable stainless steel mesh sieves are ideal for separating soil or sediment particles of multiple sizes. Available in six convenient sizes with a lid and catch pan. All sieves are 20cm in diameter and 4cm deep. Sieve sizes:4000 micron, 2000 micron, 500 micron, 250 micron, 125 micron and 63...

Round, Clear Flint glass bottle, 60ml capacity.

Protect against cross-contamination using these racked, sterile low retention filter pipette tips. Retention level is 10 times lesser with viscous samples than standard pipette tips. These universal tips are manufactured from polypropylene and the filters are manufactured from polyethylene with a...

Polymethylpentene cylinders have glass-like clarity and feature easy-toread molded in graduations. Hexagonally-shaped bases for extra stability Large spouts for smooth flow of liquids during pouring Autoclavable to 121°C Meets accuracy requirements of Class A under DIN 12681 Supplied with...

These aprons are made of a chemical resistant PVC-Coated cloth which stays flexible. There is reinforcement at the points of strain. Cloth ties at the neck and waist.

This versatile and tough steel inclined plane includes a graduated protractor and an adjustable pulley. Incline is 4" wide x 23" long. Includes a 14oz. Roller that can be used as a vehicle on the plane or as a counterweight. Also includes a pan and cord for masses.

Manufactured from 5.1 expansion borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class B requirements, these threaded culture tubes are suitable for a variety of lab settings. Each tube is heat-treated at temperatures exceeding 500° C and immediately packed in a shrink-wrapped...

This convenient assortment includes 125 each of red, blye, yellow and green tubes. Made from high-quality virigin polypropylene, these microcentrifuge tubes are RNase, DNase, and Pyrogen free for safer use in molecular biology and other biochemical applications. Include a connected snap cap, large...

Two-way clamp and thumbscrews hold rods firmly in horizontal or vertical positions. For use with rods up to 3/4” in diameter. The cast aluminum, nickel-plated clamp mounts onto tabletops or other surfaces up to 3” thick. Screw mechanisms are made of nickel-plated steel. Rods are not...

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.

LabLok™ Clamp Holders are ideal when holding clamps at 90° is required. The regular size clamp holders are for use with rods up to 19mm diameter. Right angle clamp holders are available in cast aluminum, nickel-plated zinc, and stainless steel construction. Clamps are available...

This economical seven piece kit lets you demonstrate the conversion between different forms of energy. It includes four devices for generating electrical energy from mechanical motion (hand generator), chemical energy (batteries), light (solar energy), and wind (windmill) and three devices for using...

Made from plate glass about 2mm thick with highly silvered back.

Deep form mortars with lips are glazed on the inside and outside. Oversized pestles are glazed to grinding surface.

Inspired by naval periscopes used on submarines, our handheld periscope is designed to show students the reflective qualities of light. Our version consists of an outer case with mirrors at each end set parallel to each other at a 45 degree angle.

Sturdy two-piece molded slide boxes hold standard 3" x 1" microscope slides. The hinged top has a reference card for you to write the corresponding slide description. The numbers on the opposite side are engraved for easy reference. Engraved numbers Securely closing clasp Key card for easy...

Glass prepared microscope slides, supplied in a wooden case.

Sturdy, rake retractor is made of stainless steel. Features 3 prongs and is 7.5" (190mm) long.

3 pronged extension clamp is 10" long and has rubber tubing covering the prongs Extention Clamp with cork covered jaws, 8" total length 3 Pronged clamp with aluminum rod, 10" long

This is a quick and clean way to visualize magnetic fields. The demonstrator is a transparent acrylic case that holds iron filings suspended in a fluid of appropriate viscosity. When it is placed over a magnet, the field pattern can be viewed directly, or it can be placed on an overhead projector...

This apparatus helps students to observe energy transfer and conversion and investigate the systems that keep homes comfortable and safe. The suggested activities below will: explore the relationship between parallel circuits and current; understand how thermostats and circuit breakers operate; and...

This pair of steel balls demonstrates energy transformation. By striking the two balls together with a piece of paper between them, kinetic energy is transformed into work which creates thermal energy. This thermal energy creates a small burn hole in the paper. There is no flame but there will be a...