United Scientific Supplies

High Quality Borosilicate test tubes with rims. Test Tubes from United Scientific Supplies are fundamental tools in any laboratory, ideal for holding, mixing, and heating various chemicals. They are crafted from high-quality glass to withstand thermal and chemical stress. Available in different...

Utilize the power of your smartphone with this unique Hall’s Carriage. The secure clip holds your smartphone securely for motion experiments. Using an app of your own choosing, you can graph acceleration and velocity. Includes activity guide. Secure clip holds your smartphone securely for...

Acrylic or Flint Glass equilateral refraction prism, measuring 75mm long by 9mm thick.

Includes two acrylic lenses, one each of double convex, and double concave, and three mirrors, one each of convex, concave and plane. Packed in a cushioned wood storage box.

This buret has a clear acrylic body and leakproof stopcock with a self lubricating PTFE plug. Each buret is individually calibrated for maximum acuracy. Acrylic body is resistant to dilute mimeral acids and bases except Hydrofluoric Acid and Ammonium Hydroxide. It can be used with pH's ranging from...

Cryo storage boxes are designed for storage of samples as low as -90°C. Hold both internal and external threaded cryogenic vials as well as storage vials. Autoclavable. These stackable boxes provide a small, space-efficient storage system within a freezer. Include a transparent hinged lid with a...

These bright red, easy to open, polypropylene (PP) Biohazard Bags are for disposal of biohazard waste and plastic laboratory items such as used tips and tubes. Bags have a clearly printed biohazard symbol and pass ASTM 1922 tear resistance and ASTM 1709 dart impact tests. Steam autoclavable for...

Mixing Bowls are constructed from 304 stainless steel for increased heat resistance.  Bowls feature rounded corners and polished mirror surface for easy mixing and cleaning.  Can withstand temperatures up to 1472°F (800°C).  Meets NSF standards.

These smooth-wall, flat-bottom aluminum dishes are ideal for general purpose weighing, dispensing, storing, sampling, and testing applications. Dishes include tapered sides to enable easy stacking. Ideal for general-purpose applications Slightly tapered sides for easy stacking Disposable Aluminum...

Good quality, economical hand operated air/vacuum pump is easy to operate. Each squeeze of the pump delivers approximately 15ml, and can be used to create vacuum of 50mm Hg, or air pressure of about 2 atm (standard atmosphere). Pump features a removable cap and elastic valve to provide quick vacuum...

Spark timer is used for measuring velocity and acceleration of falling or moving objects. When the tape is pulled through the timer a spark is created which burns tiny dots in the tape at a precise and same interval. The faster the tape is pulled through the timer the larger the distance between the...

Sturdy two-piece molded plastic slide boxes. The bottom section has slide numbers engraved for easy reference, and the inside of the lid carries a numbered slide iindex. Slide box of 10 features a hinged design.

These disposable, yet sturdy polypropylene beakers feature three pouring lips for drip-less dispensing. Beakers are graduated in both ounces and ml. Assortment of 5 each 50ml, 100ml, 250ml, 400ml, 800ml, and 100ml Tri-Pour Beakers.

This basic breadboard kit contains all of the basic connecting parts to start exploring circuit design. The kit includes a variety of connecting cord sizes and two breadboards. All that is required is to provide components such as resistors, LEDs, or capacitors. Kit Contents: Solderless Breadboard...

Consists of solid metal cylinder in a close fitting metal bucket, 19mm in diameter, 50mm long. Shipping weight 3 oz. Dimensions: 4"x1.5"x1.5"

Crystal Clear, autoclavable PMP (TPX) Cylinders feature excellent chemical resistance. Permanent graduations are molded in. Pentagon bases provide added stability. Chemically non-absorbent and cleaner than glass. No wetting and no meniscus. Manufactured per ISO standard 6706-1981 (E).

Ball-and-spoke structural models of graphite, sodium chloride and diamond. All models are permanently mounted on acrylic bases: Graphite (Clear hexagonal base); Sodium Chloride (Clear square base); Diamond (Clear triangular base). Each model contains 22mm diameter balls: Graphite (39); Sodium...

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...

Borosilicate glass cylinders with pour spouts feature heavy uniform wall tubing and a removeable, sturdy plastic base. All cylinders come with bumper guards. Single metric scale, accuracy per Class "B".

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.

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...