United Scientific Supplies

Amber stained volumetric flasks are manufactured per ASTM E-288 Class A Serialized glassware specifications. Calibrated to contain (TC), these flasks feature white enamel printing and diamond etched graduation line. Our flasks feature heavy-duty and uniform wall thickness and a wide mouth design for...

This sturdy pulley is excellent for use with an inclined plane or any other similar apparatus. Ite features a 4-cm plastic pulley mounted on a chrome plated steel rod. The overall length is 15cm and the shaft diameter is 8mm.

Gas measuring tube is made from borosilicate glass and features resilient white enamel graduations from the top down. The tube is closed at the zero end for gas measurement.

These wood splints (5 1/2“ x 13/64”) are used for variety of applications including as applicators or markers in planting. Sold as a pack of 500.

Glazed, with long spatula on one end and knob on the other end. 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 factory. Glaze - No softening...

These foam calorimeter cups have excellent insulating properties so you can investigate thermal energy with minimal loss to the environment. The lids have holes for inserting a thermometer or temperature probe. Outside Dimensions Height: 4.25” Diameter: 4” Inner container: Height: 4” Diameter 4”...

The economy food calorimeter allows students to investigate the amount of energy released when food is burned. This involves using the burning energy of food to heat a vessel of water. The increase in temperature of the water represents the energy given off by the burning food. During the...

Mounted on a plastic base; comes with a ring for easy hanging. Overall diameter is 7.5". Shipping weight is 1.4 lbs.

7 dissecting instruments in a folding vinyl pouch 8 dissecting instruments in a folding vinyl pouch 10 dissecting instruments in a large trifold vinyl pouch 14 dissecting instruments in a zippered vinyl case

Understanding pendulum motion is fundamental to the study of vibrations and waves. This unique United Science Supplies kit includes everything necessary for a full exploration of the basic features of pendulum motion in a complete but economical set. The individual components are of proven design -...

Cast iron bases with gray enamel finish. The base is 3mm thick with a welded plate on the mounting hole. This gives the support rod 10mm of screw support, which is three times thicker than other traditional stands. The support rod includes an 80mm long rod to provide more torque when securing the...

These superior quality, yet economical prisms and lenses can be used to teach a wide variety of optical principals. This set is housed in a wooden case and includes a detailed teacher activity guide.

Made from high quality borosilicate glass, these autoclavable, flat, clear Petri dishes can withstand repeated sterilization and can be used many times. Each dish includes a lid. Note: Lid does not seal air tight.

United Scientific, internally threaded, Screw Cap, 2D tubes are the ideal consumable for rapid processing of biological samples. Each tube comes with a 2D barcode (bottom of vial), and 1D barcode (side of the vial). They provide time-savings and accurate organization and tracking of...

Our meters are mounted in black plastic cases. Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw. Meters are not protected against prolonged or significant overload. Stackable for storage.

This is a simple and economical type of electrolysis apparatus. Platinum electrodes are attached to insulated connecting rods which are attached to binding posts mounted on a non-conducting support. The support rests across the top of a battery jar (not included) and has two clips that each hold an...

These unglazed black streak plates are 1” x 2” in size and are for use in hardness testing of rocks and minerals.

Unbreakable plastic set of five metric measuring spoons. Includes the following: 1.25ml (1/4 tsp), 2.5ml (1/2 tsp), 5ml (1 tsp), 7.5ml (1/2 tb sp) and 15ml (1 tb sp).

Tall form crucibles include lids. Crucibles are glazed on inner and outer surfaces except for the outside bottom and rim. Important properties of United porcelainware include: Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56 x 10-5, gradually...

Rugged, autoclavable centrifuge tube boxes can be used at temperatures of -90°C to 121°C. Racks hold 36 each 15ml tubes, or 16 each 50ml tubes, and feature a clear lid for easy identification of contents.

See-Through Sally™ provides a memorable visual aid for teaching human anatomy. This set consists of 12 spiral-bound anatomy charts, each representing a different area of the body, mounted on a rigid metal frame and floor stand. See-Through Sally is arranged according to both how the body...

Capture water samples from specific depths with this clever tool. The unit is made from impact-resistant PVC, with soft rubber seals that hold up to 1.5 liters of liquid. A unique design allows for hassle-free sample collection: when the desired depth is reached, students simply jerk the attached...

These white polypropylene slide mailers included hinged covers and nolded-in dividers to securely hold 3" x 1" microscope slides.

United brand bottle top dispensers offer high accuracy at economical prices. Each dispenser is individually calibrated and certified in an ISO 17025 accredited laboratory in accordance with ISO 8655 standards. Five adapters are included with each unit for use with a wide range of bottle sizes. All...