United Scientific Supplies

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...

Our Multichannel Micropipettes are recommended for a wide variety of applications such as ELISA, molecular screening, kinetic studies, and DNA Amplifications. Our Variable Volume Micropipettes feature built-in tip ejectors and autoclavable tip cones. They work on a click stop digital system, are...

The United Scientific™; Eco-Mix Vortex Mixer has a simple touch-and-go function that makes it easy to use. The compact design saves bench space, yet the mixer is powerful enough to deliver robust vortex mixing at 3000 rpm. Compatible with centrifuge tubes up to 50mL capacity, and can also be...

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

Lab Supplies Weighing Boats United Scientific. Ideal for weighing, evaporating, dispensing, and storing samples.

Square shaped clear flint glass bottles with glass pipet and rubber bulb stopper. Capacity 30ml. Replacement pipets are also available.

Glass thermometer mounted on aluminum back. Thermometers are filled with approximately 3 grams of Toluene mixed with red color.

This handheld device provides a qualitative visual indicator of the conductivity of different solutions, acids or salts. Two brass probes can be touched to a solid substance, or immersed in a liquid, to show conductivity on green LEDs that range from 1 to 10. Each probe is 53mm long with a diameter...

All the wide mouth jars are made from soda lime glass and have a PP cap with a PE liner. Since the opening is so large, it is easy to insert and remove materials. Autoclavable Size (oz) Diameter (mm) Height (mm) Mouth Diameter (mm) 2 6 48.5 51.5 4 57 76 50 8 80 87 72 16 80 160 72 32 100 140 89...

Convenient assortment of seven commonly used laboratory tools. Contains one each of the following items: 6-hole test tube rack, test tube brush, test tube clamp, spatula, crucible tongs, lab scoop, and forceps.

This standard size (8" x 2.75") water bath is ideal for heating flasks, bottles, tubes, etc. Features seven concentric rings, flat bottom, and a steam escape outlet. Stainless steel construction.

These weight sets include accurate, non-rolling hexagonal masses made of steel, and feature a durable black oxidized finish. Sets are supplied in sturdy cardboard boxes. Metric Weight Set includes two each of 5g, 10g, 20g, 50g, and 200g masses,

Our Clamps feature strong malleable iron frames that are painted to reduce corrosion. Available with 2, 3, 4, 5, or 6 inch jaw openings.

Clear, square disposable polycarbonate bottles are space-saving and convenient to handle. Useful for mixing, sampling, and storage applications. Graduations and large marking spot are screened in easy-to-read white enamel. Includes a blue, liner-less GL 45 polypropylene plug-seal autoclavable cap....

Convenient, economical package of materials to start investigating electricity concepts. Assortment includes: 6 Round Plastic Bulb Holders, 3 Knife Switches, 6 Battery Holders with Fahnestock Clips, 10 Fahnestock Clips, 1 Wire Stripper, 3 Wires with Alligator Clips, 18"; Assorted Colors, 3 Wires...

It can be challenging to learn the atomic structure of elements and how such structure leads to trends in the periodic table. Teachers using visual and tactile models can overcome the abstract nature of the subject matter and greatly enhance student conceptualization. This kit contains materials...

Constructed of clear acrylic with highly polished surfaces, these prisms are ideal for projecting a clear, sharp spectrum. Set of Right-Angled Prisms consists of 25mm, 50mm, and 75mm long prisms.

A large size prism for either experiments or optical demonstrations. The thick size allows the prism to stand upright without supports.

Designed for beginners as well as experienced navigators, this sextant features an adjustable index mirror, index, and horizon shades. Durable brass construction, and features like more expensive models make this a great value Weighs only 0.75 lbs. An instruction sheet is included.

Contains two investigative area and six STEM investigations that teach students about heats of fusion and reaction, thermochemistry, iceberg types and thermohaline circulation and climate change. The kit includes enough materials for 40 students working in groups of 4, as well as PDF Teacher and...

Economical Bowls are constructed from 204Cu Stainless Steel for corrosion resistance at a lower cost.  Bowls features a polished mirror surface foreasy mixing and cleaning.  Can withstand temperatrues up to 1400°F (760°C). Meets NSF standards.

These support stands with rods come complete with a stamped steel base with black enamel finish and a removeable zinc plated steel rod.

Polyester wipes are 100% virgin, continuous-filament polyester in a double-knit, no-run interlock design with a laser cut, sealed edge. Recommended for use in cleanroom critical environments and a wide variety of applications including cleaning medical devices, electronics displays, instrument...

Small spine model is molded from PVC plastic and hand-painted to show cervical, thoracic, and lumbar regions and sacrum/coccyx.  Spine measures 14" x 5.25" x 4" and mounts on a metal rod with a plastic stand. Includes a fold-out laminated color guide indicating 66 labeled...