United Scientific Supplies

Protect against cross-contamination using these racked, sterile filter pipette tips. Filters are manufactured of 100% pure porous polyethylene with a hydrophobic design to prevent liquids and aerosols from entering the body of the micropipette. Best suited for biological applications, these tips are...

Clear Acrylic Trapezoid, with one flat surface frosted to enhance visibility. Bases are 89mm and 40mm. Faces measure 47mm and 35mm

United Scientific™ graduated cylinders comply with ASTM E1272, Class A standards. They are individually serialized and certified. Each cylinder features a double metric scale, calibrated to deliver. Borosilicate glass 3.3 cylinders with pour spouts feature heavy uniform wall tubing and...

Aluminum overflow can and catch bucket packaged as a convenient set for use in Archimedes' Principle, density, and specific gravity experiments. Accessories: Durable aluminum can with spout for use in Archimedes' Principle, density, and specific gravity experiments. Use with Catch Bucket. Overflow...

This unique kit allows students to make a wide range of investigations with only a small number of items. The kit contains two sets of three metal cylinders - aluminum, copper, and steel. In one set the cylinders all have equal masses, and in the other they have equal volumes. The measuring...

Designed for particulate or biological contamination analysis of small volumes using a vacuum filter. Includes a stainless steel filter support and No. 5 perforated silicone stopper for easy attachment to a vacuum filtering flask. Membrane filters are not included. Thick prefilters or laminated...

This narrow mouth bottle has a capacity of 90 mL and a lined polypropylene lid. Constructed of high density polyethylene, the bottle is translucent, pliable, and has excellent strength. Leakproof bottle designed to meet TSA 3-1-1 guidelines for domestic and international travel. Lined polypropylene...

Boiling, round bottom flasks with ground glass joints. Our boiling flasks are made from low-expansion borosilicate glass. Feature uniform wall thickness for superior mechanical strength and shock resistance. Ideal for boiling, heating and mixing in the laboratory.

This convenient free fall apparatus for measuring the acceleration of gravity has a 150 CM fall length. It comes with an electromagnetic ball release, a pair of photogates on a long cable harness, two steel balls, a plumb line, a catcher , and an instructional manual. Requires the digital timer...

These Spring Scales come in a clear plastic case, metal pointer, spring, suspension ring, and load hook. Scales are calibrated in Grams, Newtons, or both, with zero adjustment. Other prices are available; call for prices.

Designed to support shperical mirrors and lenses. This polished wooden support is 5" tall and has a 1.5" V shaped grooved wedge to hold mirrors or lenses 38mm through 100mm securely in place. Plastic supports to securely hold a mirror in a vertical position on any flat surface.

Perform quantitative spectroscopy experiments using this good quality yet economical spectrometer. Unit is mounted on a stable base with attached collimator, and rotating telescope platform. Features include a 2.6cm diameter achromatic optical system with a 10x eyepiece and crosshair. A 16cm...

UniStore™ Wide Mouth, PP, reagent bottles are manufactured from USP Class VI resin that is FDA-21CFR compliant. Excellent chemical resistance to most acids, bases, and alcohols. Polypropylene caps are included. Manufactured from USP Class VI resin that is FDA-21CFR compliant for food contact...

Quality clay pipe on heavy gauge galvanized steel wire. Individually packed in poly bags, and chip board boxes.

This aluminum top hot plate with stirrer has a powerful, 500W heating element and a 280°; C maximum temperature. The unit automatically stops heating when the maximum temperature is reached. Temperature range is from 0 to 280°; C. Stirring function operates at speeds from 0 to 1,600 rpm....

Enhance precision and control in your laboratory tasks with these high-quality metal tweezers from United Scientific Supplies. Designed for the intricate handling of small objects, these tweezers are a staple in any lab setting. Their robust metal construction ensures long-lasting durability, while...

High quality bench pulley that can be mounted on a support stand rod. Constructed of a heavy duty cast aluminum support frame, this 50mm diameter pulley is mounted on heavy duty low friction cone bearings. Fits table tops up to 1-3/4" thick (4.5cm).

Based on proven designs, this updated Boyle’s Law Apparatus permits a quantitative verification of Boyle’s Law to be quickly and easily performed. The results are reliable and more convincing than measurements obtained from a simple syringe-based apparatus. The air sample is enclosed in...

High-quality dark blue cobalt glass filter is used in sodium and potassium salt flame tests. When a flame is viewed through this filter, the color orange is blocked so that a violet-colored flame is visible. Sold as packs of 6.

With its thick glass walls and sturdy construction, this 10L bottle/flask is perfect for filtering large volumes of liquid. The thick walls and design enables this flask to withstand vacuum filtration without imploding. Graduated in 1000mL increments on a scale from 2000mL to 8000mL with an accuracy...

Durable, plastic handles. The pin points allow accurate work. Stainless steel needles eliminate rust and other corrosion. Packs of 12.

A good quality Polyethylene powder funnel for general lab use. Dimensions are 23mm stem diameter, 105mm top diameter, and 95mm overall length. Capacity is 150ml.

This Collection contains 20 Types of Basic Minerals Specimens. The Minerals Specimens include Some of the following Agate, Amethyst, Barytes, Calcite, China Clay, Dolomite, Feldspar, Fire Clay, Fullers Earth, Graphite, Gypsum, Jasper, Magnetite, Mica, Pyrolusite, Pyrophilite, Quartz, Soap Stone,...

These weights feature flat countersunk bottoms, with a double-ended hooked rod through the middle. They can be used on balance pans, as well as hooked in tandem for lever arm studies. Set of 9 weights consisting of 1 each 10g, 50g, 500g, 1000g, and 2 each 20g, 200gram weights. Weights are made of...