United Scientific Supplies

Buchner funnel includes fixed perforated plate. Funnels are glazed on inner and outer surfaces except for the rim. 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...

Disposable polystyrene petri dishes offer optical clarity and strength at economical prices. 65mm dish includes a molded-in grid on the lid for easy colony counting. Sterilized.

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.

Spunlace non-woven wipes are constructed from a hydroentangled, nonwoven blend of 55% cellulose and 45% polyester. This composite substrate has the highly absorbent properties of a natural fiber with the cleanliness and strength of a synthetic yarn. Recommended for use in cleanroom critical...

An ideal starter set for any laboratory, this set contains 5 borosilicate glass beakers in sizes 50ml, 100ml, 250ml, 600ml, and 1000ml. 

Enhance the organization and transportation of your laboratory bottles with this high-quality Bottle Carriers. Designed for both ease of use and durability, these carriers feature a robust construction that ensures long-lasting performance. They are ideal for a variety of applications, including...

100 strips each in matching color plastic vials. Individual strips are approximately 2" long and 1/4" wide.

Laboratory support jacks are constructed of chemically resistant anodized aluminum and stainless steel. The scissor jack design enables height adjustment with a simple turn of the knob. LBJK44 has a 4" x 4" platform that can be vertically adjusted fro

Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included. Meets Class A specifications per ASTM E-288. Batch certified.

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...

Self-zeroing burette mounts on a glass bottle. Includes a PTFE needle valve stopcock, intermediate stopcock and rubber bellows. Class A, ASTM E-287, meets USP standards, individually serialized and certified. Includes Schellbach backing for easy reading of liquid levels. With amber graduations....

Borosilicate glass cylinders with pour spouts feature heavy uniform wall tubing and strong, stable hexagonal bases and a glass stopper. All cylinders come with bumper guards. Single metric scale calibrated "To Contain", accuracy per Class "A". ASTM E-1272, Batch Certified.

These amber boston round flint glass bottles include screw cap with dropper assembly are designed for general use. The glass is non-porous, which allows for easy cleaning or autoclaving. The amber color helps protect light sensitive materials.

With lip and flat porcelain handle. Glazed on inner and outer surfaces except for rim and top of handle. 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...

Clear plastic magnifier is 110mm (4.50") in length and features dual lenses of 3x and 6x magnification. 3x lens is 50mm in diameter and 6x lens is 20mm in diameter. Handy molded plastic magnifier has 2x, 6x, and 8x magnification lenses.

Heavy wall filtering flask includes a bolt neck with tubulation. Borosilicate glass flasks are designed to give the best combination of thermal shock resistance and physical strength. Feature heavy-duty rims and printing in durable white enamel.

Designed by teachers and tested by teachers, this kit greatly enhances the students' understanding of the process of mitosis. All four stages of the cell cycle can be easily demonstrated with the parts included. The kit gives students a “hands on” experience without the need for...

Kit includes a variety of commonly used hardware itmes in a general science, physical science, or chemistry laboratory. Designed for use by 2 - 4 students. Shipped in a re-usable storage box. Contents: Alligator Clip w/ 24" Wire - 2 Burette Brush - 1 Burette Clamp, Double - 1 Clamp Boss Head -...

Operating on 1.5 to 6 V DC, this electromagnet lifts up to 3.5kg. A current direction indicator is included for the study of the magnetic field.

Multipurpose Polypropylene molded trays can be used for sterilizing, drying glassware, porcelain ware, and other laboratory supplies. These steam autoclavable trays have tapered walls designed for nesting.

1216T40 (DCSET4): This set includes one each of acrylic, pine, nylon, and aluminum cubes packaged in a poly bag. Includes a reference table showing density values of individual specimens. 1216T39 (DCSET10): This set of 1" cubes includes one each of acrylic, oak, pine, poplar, steel, aluminum,...

The Ultrasonic Grating Apparatus is both a unique demonstration of the interaction of longitudinal sound waves and transverse light waves and also a method for the precise determination of the speed of sound in liquids, which is otherwise difficult to do in the undergraduate lab. The core of the...

21st century New York Balance is ideal for demonstrating basic physics principles including levers and center of gravity. Set includes a demonstration balance support, three knife edge lever clamps, a half meter stick, one 50g hooked weight, and one 100g hooked weight. Includes activity guide.

This item is used for comparing the thermal conductivities of aluminum, brass, steel, nickel, and copper. The five radial spokes are attached to a brass hub. Each rod is marked with the metal name on the hub. There are notches in each rod to hold a wax pellet. The unit comes assembled and with a...