This is replacement tape for the Spark Timer (TKTMR). The Spark Timer is a recording device used to measure the velocity and acceleration of a falling or moving object. It sparks at uniform intervals, leaving marks on a paper tape. The distance between the marks on the tape are used to calculate…

Useful for testing patellar and other reflexes, this hammer includes a solid rubber head. The triangular shape of the head can be used with wide or narrow targets. Metal handle includes a textured grip that can be held easily and securely. Overall length is 8.5”.

Strong steel magnets, zinc-plated with North and South poles marked. Supplied with keeper.

EQUILATERAL PRISM Triangular equilateral prism. Made of high quality, polished acrylic material 3" LENGTH Prism measures 3" (75mm) in length. Each face measures 1" (25mm) PHYSICS EXPERIMENTS Excellent for physics classrooms. Ideal for a variety of experiments in optics, light refraction,…

Molecular biology grade Tris (Tris-(Hydroxymethyl) aminomethane) buffer (pH 8-9) is used for the preparation of buffer solutions for restriction enzymes or nucleic acid modifying enzymes. Tris base should be stored dry at room temperature.

20" diameter rubber bicycle wheel with handles Demonstrates the conservation of angular momentum Can be suspended from a string (included) Use with our Large Rotational Platform (part number HDTRNT) for an immersive sensation of gyroscopes as stabilizers A classic 20" diameter bicycle wheel…

This device can be used as a classic standard calorimeter or as an electric calorimeter. Made of aluminum and plastic, the calorimeter has a diameter of 10cm, height of 11cm, liquid capacity of 175ml, and a heat capacity of 25J/°C. Electrical requirements are 6V DC, up to 2A.

Perform Fresnel's Biprism Experiment on a 1m optical bench. Precision optics allow fringe position measurements to 1/100mm. Easy alignment and adjustment of the two virtual light sources. Fresnel's Biprism Experiment is the fundamental example of common path interference by division of…

PROFESSIONAL QUALITY Museum-grade dissection pins for insect/entomology collections DURABLE Handmade of double black enamel-coated spring steel with nylon gold heads ANTI-RUST Double black enamel coated with nylon gold heads for a rust-free finish ESSENTIAL TOOL FOR ENTOMOLOGISTS …

This premium lab set is the perfect thing to get a home lab or classroom going. It has all the components you would need to start a basic chemistry lab. - All the components needed to get a lab going - Premium, research grade components Includes: (1) base, (1) rod, (1) beaker tong,…

The labForce® Band-It™ Mini electrophoresis system includes all of the equipment that you need to get up and running: gel tank, power supply and two casting sets. Ideal for personal use, small laboratories or the classroom, this gel box/power supply combination is compact and easy to use.…

An essential accessory for experiments with the popular Bicycle Wheel Gyroscope as well as for demonstrating the effect of moment of inertia on rotational motion (the “spinning skater effect”), this economical Rotating Plate spins freely due to its heavy duty ball bearing axle. Features…

Featured displays of this electronic alarm stopwatch include time (hours-minutes-seconds, with 12 or 24 hour mode option), calendar, 24-hour stopwatch, alarm, hourly chime, 1/100 second chronograph, split time, and total time. It is lightweight, easy to operate, ad comes complete with battery and…

Glass lens is made of polished optical glass. 24A00B457 This double-concave glass lens measures 75mm in diameter and has a focal length of 20cm. Sold in a pack of 20 lenses. 24A00B458 This double-convex glass lens measures 75mm in diameter and has a…

This Hall's carriage has a durable plastic body with a roomy well for additional masses (not included). The machined aluminum wheels and axles are mounted on hardened steel cone bearings for minimum friction and long life. For use with all types of inclined plane. Shipping weight: .30 Lbs.,…

This simple but precise launcher projects 16 mm steel balls at ranges suitable for use on the bench top or from the bench to the floor. A protractor and plumb line make it easy to set any required launch angle from 45° downwards to straight up. Three different spring tensions give three…

The horizontal electrophoresis apparatus by Walter Products was designed with safety and convenience in mind. The injection-molded UV transparent chamber is made from thick acrylic, making it durable and leak-proof while the lid fits securely in place and can easily be removed. All of Walter's…

The LaMotte 120 mL deionized water is suitable for use in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage.

Use this set of nine cubes to investigate density by comparing cubes that are made of different materials but are the same size (2cm by 2cm by 2cm). Their materials are as follows: copper, brass, aluminum, iron, zinc, acrylic, plastic, wood, and cork. PRODUCT WARNINGS WARNING: This…

Synonyms: Adenosine Deaminase Complexing Protein-2 Inhibitor Screening Kit; CD26 Inhibitor Screening Kit; Dipeptidyl-Peptidase 4 Inhibitor Screening Kit Storage: 2-8C UNSPSC Code: 12352200 General description: Dipeptidyl-peptidase 4 (DPP4; CD26; adenosine deaminase complexing protein-2)…

For SDS-PAGE protein gels use the following standard dye mix: 2x solution of Bromphenol blue, urea, SDS, β -mercaptoethanol.

The LabChem 125 mL nitrogen nitrate standard is non-flammable and is mainly used in laboratory and manufacturing factories. Application: For Laboratory and Manufacturing Use Only