Polyethylene dropping pipettes are graduated, and can be easily rinsed and re-used. Offered in 1ml and 3ml sizes.

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…

Our Variable Volume Micropipettes feature built-in tip ejectors and autoclavable tip cones. They work on a click stop digital system, are easy to calibrate and maintain, and easy to disassemble for autoclaving. Manufactured in an ISO 9001:2008 certified facility, these pipettes are highly accurate.…

This complete set features high quality borosilicate glass parts and all hardware necessary for simple distillation experiments. Includes: 500ml Round Bottom Borosilicate Flask with Side Tube 300mm Graham Condenser 250ml Erlenmeyer Flask Glass Stopper Support Stand…

Borosilicate Glass Erlenmeyer Flasks are designed to give the best combination of thermal shock resistance, physical strength, and resistance to chemical attack, Wide Mouth.

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…

This set contains twleve 24 mL glass test tubes with rubber stoppers, and a brightly colored two tiered test tube stand.

Our measuring cylinders are molded as one-piece in polypropylene. These autoclavable cylinders have raised prominent graduations for easy reading and have excellent contact clarity. The broad round base provides good stability.

This magnetic compass is extra large (90mm diameter), comes in a bright color plastic case, with a clear plastic top. Shipping weight: 2.0 oz. Dimensions: 4"; x 4"; x 1".

Burettes with straight bore teflon (PTFE) stopcocks are made from the highest quality, accurate bore tubing to provide a high degree of accuracy, reliability, and durability. All graduations are in resilient white enamel. Accuracy per Class "A", ASTM E-287, Batch Certified.

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 double-ended polypropylene micro pestle features one end that fits 1.5ml microcentrifuge tubes and another end that fits 0.5ml tubes. Autoclavable. Micro pestles are excellent for resuspending bacterial cells and precipitates of nucleic acids or proteins, and are useful for tissue grinding.

Polypropylene tubes include a convenient flat bottom so they stand on their own, a large white frosted labeling area, silk screen graduations, and a leak-proof cap. Autoclavable at 121°C and 15 psi for 30 minutes. Radiation sterilized DNase, RNase, Pyrogen and latex-free. Maximum RCF 9000.

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.

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.…

Our Digital Min/Max Thermometer records the minimum and maximum temperatures for seven days at a time. It features a water-resistant housing, a cover for protecting the LCD display, low battery indicator, selectable °C or °F, dual channels with separate temperature readings for each…

This kit contains essential components for short path distillation. All glass parts are manufactured from high quality 3.3 borosilicate glass. Short Path Distillation Head with 24/40 flask joints and 10/30 thermometer port features a condenser coil and three ¼” hose nozzles, two for…

Our Berzelius (tall form) beakers are made from low-expansion borosilicate glass. Beakers feature heavy and uniform wall thickness, spouts designed for easy pouring, and beaded tops. The 20ml and larger sizes also have white printed graduations and a marking area. Tolerance for beakers is…

Transfer (Volumetric) pipettes are manufactured from specially selected, heavy wall machine drawn borosilicate accurate bore glass tubing. They have precision fored jets and bevel ground ends to resist chipping. The graduation marks are in durable white enamel or amber stain; both are resistant…

This 400ml borosilicate glass beaker features an attached handle and a smooth rim. The molecular structure of caffeine is enamled in white on one side, and the other side has standard beaker graduations.

Cryo storage boxes are designed for storage of samples as low as -90°C. Hold both internal and external threaded cryogenic vials as well as storage vials. Autoclavable. These stackable boxes provide a small, space-efficient storage system within a freezer. Include a transparent hinged lid with…

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…

Burettes with straight bore teflon (PTFE) stopcocks are made from the highest quality, accurate bore tubing to provide a high degree of accuracy, reliability, and durability. All graduations are in resilient white enamel. Accuracy per Class "B".

Excellent model, complete with Teacher Activity Guide which demonstrates LaPlace's law (also Flemings Left Hand Rule) What it shows is that a conducting material with electricity going though it is surrounded by a magnetic field and if placed in a magnetic field it'll result in a moving force.

Optically true glass with scratch-resistant copper back silvering individual glass mirrors ideal for a variety of optics experiments. Focal lenghts available from 25mm - 300mm.

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…

Our inoculating loop features an 8" long non-insulated aluminum handle. The non-calibrated 26 gauge nickel-chromium wire loop is approximately 8mm in diameter.

Designed for particulate or biological contamination analysis of small volumes using a vacuum filter. Includes a fritted glass 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…

These support stands feature a heavy cast iron base with black enamel finish. Each base includes a removable zinc plated rod.

Heavy duty beakers are ideal for tough handling conditions including mechanized washing. Beakers feature a double graduated metric scale and a marking area. Tolerance is approximately ± 5%.

Iron wire gauze (24 SWG/10 Mesh) with ceramic coating at the center. Contains no asbestos. Sold as packs of 10.

Liebig condensers are used to cool and condense hot vapor as part of a distilling apparatus. This condenser has a straight inner tube that the condensing vapor passes through, and a larger outer jacket that cooling water passes through. Socket is 24/40