These clear non-vacuum desiccators are manufactured from borosilicate glass and include a borosilicate glass lid with a molded-in knob. Clear glass provides excellent visibility and can be autoclaved. The rims of the desiccator and lid are ground glass and require greasing before use to create an…

This all-glass filter holder is used in particulate contamination analysis for filtering aqeuous, organic, or corrosive liquids. It is also recommended for HPLC solvent filtration. Complete set includes a borosilicate glass funnel, anodized aluminum spring clamp, vacuum base with sintered disc,…

This deluxe digital hot plate with magnetic stirrer features an aluminum housing with a scratch and chemical resistant stainless steel ceramic coated 6" diameter heating plate. Unit is thermally insulated so the housing is relatively cool to the touch during operation. Designed with double PT…

Optically true glass, with scratch-resistant copper back silvering plain spherical mirrors.

Variable Volume Micropipettes feature built in tip ejectors and autoclavable tip cones. Offered in nine volume ranges. Each pipette is individually calibrated according to ISO 8655 standards. They work on a click stop digital system and are easy to calibrate and maintain. Each pipette is easy…

Designed for bacteriological analysis of water using 47mm sterile membrane filters. Also applicable for analysis of suspended solids in water using 47mm depth filters. Complete set includes a borosilicate glass funnel and base., anodized aluminum spring clamp, and perforated silicone stopper. …

This convenient one pound assortment of borosilicate glass tubing includes various thicknesses and wall sizes. All pieces are 12" in length.

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.

Self-zeroing burette is mounted on a glass bottle. Includes a PTFE needle valve stopcock, intermediate stopcock and rubber bellows. Class A, ASTM E-284, meets USP standards, individually serialized and certified. Includes Schellbach backing for easy reading of liquid levels. With amber graduations.…

Octagonal mortar and pestle sets feature highly polished grinding surface. Made of naturally hard agate stone (6.5 on Moh's Scale). For use in laboratories demanding contamination-free results.

Equilateral, 45mm sides hollow acrylic prism. Has one hole for adding fluids to study refraction and dispersion. Comes with a funnel and a stopper.

Weights are made of brass, with nickel plated surfaces. All weights are carefully tested and calibrated. Analytical Weight Box contains a total of 9 weights from 1 to 100 grams, in polished wooden box, with fractional weights, rider and forceps.

Manufactured in a precision molding facility from 100% virgin polypropylene, United micropipette tips are DNase, RNase and Pyrogen free. The highly smooth surface is hydrophobic to provide low liquid retention, increased accuracy and repeatability. Inner radial rings enable an airtight grip on the…

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…

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…

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…

Clamps are die casted from aluminum and feature black rubber sleeves for firm gripping of burettes.  The adjustable clamps hold up to 30mm OD burettes which are held in place by the pressure created by the springs.  For use with rods up to 19mm diameter.

United high alumina crucibles are made of 99.7% pure aluminum oxide. Highly resistant to chemical attack. Recommended for chemists, metallurgists and others involved in high temperature work demanding contamination free results.

Set of six of our most popular spoons and spatulas for the laboratory includes one each: 4" blad mounted on a hardwood handle, microspoon with Plastic Handle, Stainless Steel 6" Spatula (one end flat, one end spoon), 6" Stainless Steel Spatula (one end bent, one end flat), 6" Stainless Steel…

Stainless Steel Spatulas with both ends flat.

Fill any standard pipette using this efficient and reliable electronic instrument. It is designed for ease and comfort to suit various types of liquid handling needs in laboratories. Features include LED charging indicators, adjustable pump speed, comfort grip and multiple housing color…

A convenient assortment of items most commonly used in a general Chemistry lab. Starter kit includes the following: Contents: [2] Dropping Bottles, 30 ml, Barnes                  [6] Dropping Pipettes,…

An insulated snap-on connector with 15cm red and black leads.

Disposable culture tubes are manufactured from high quality borosilicate glass. Rimless design enables easy plugging using a stopper. Caps not included. Tubes meet ASTM standards and are alkali-free and inert.

Good quality pipettors designed for easy and precise pipetting. Pumps feature a lever for quick release, and forward or backward wheel movement. The soft elastic chuck has a threaded collar to tightly grip glass or plastic pipettes. Easy to clean. Each size color coded.

These knee-length lab coats are made of easy care 100% cotton fabric. Coats feature one upper left breast pocket, two roomy lower pockets, and side slit openings. Coats are manufactured with a vibrant tie dye pattern.

This all-glass filter holder is used in particulate contamination analysis for filtering aqeuous, organic, or corrosive liquids. It is also recommended for HPLC solvent filtration. Complete set includes a borosilicate glass funnel, anodized aluminum spring clamp, vacuum base with sintered disc,…

This calorimeter consists of two nested aluminum cans separated by a 1.7 CM thick styrofoam liner and a clear molded plastic lid with a filler cap. A plastic insulator ring protects the styrofoam insulation against damage and liquid spills. The inner reservoir has a capacity of 150 ML. A…

Set of seven neoprene adapter cones designed to fit Buchnew and fritter glass funnels, porcelain filters without headpieces, and for reverse flow cleaning for filter crucibles. Adapters can be used to support funnels, Gooch crucibles, filter tubes and other apparatus in filtration…

Use these tips to reduce sample retention for precision. Retention level is 10 times lesser with viscous samples than standard pipette tips. Highly homogenous surface is free of defects, preventing non-specific binding. Manufactured from ultrapure USP Class VI certified, virgin polypropylene.…

Borosilicate Glass Filtering Flasks are designed to give the best combination of thermal shock resistance, physical strength, and resistance to chemical attack, Narrow Mouth, Heavy Wall; Bolt neck with tubulation.

Hardwood half meter stick for use with our Demonstration Balance Support or other laboratory measurement activities.