United Scientific Supplies

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  • Rubber Stoppers

    United Scientific Supplies

    Rubber Stoppers packaged in convenient 1lb bags. Available in solid, 1 hole, and 2 hole versions.

  • Glass Dessicators

    United Scientific Supplies

    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…

  • Glass Beaker, Low Form

    United Scientific Supplies

    Our 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 approximately +- 5%.

  • Variable Volume Micropipettes

    United Scientific Supplies

    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…

  • Glass Tubing Assortment

    United Scientific Supplies

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

  • Vacuum Filter Holder Set, 47mm

    United Scientific Supplies

    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,…

  • Filtering Kit

    United Scientific Supplies

    An excellent, faster working, alternative to traditional gravity based liquid filtration. Contents: 500ml Filtering Flask 90mm porcelain Buchner Funnel Hand Vacuum Pump with Gauge Pack of 90mm Filter Papers (pack/100) Rubber Stopper Vacuum Hose Instruction Manual

  • Petri Dishes

    United Scientific Supplies

    Made from high quality borosilicate glass, these autoclavable, flat, clear Petri dishes can withstand repeated sterilization and can be used many times. Each dish includes a lid. Note: Lid does not seal air tight.

  • Hand Vacuum Pump

    United Scientific Supplies

    Good quality, economical hand operated air/vacuum pump is easy to operate. Each squeeze of the pump delivers approximately 15ml, and can be used to create vacuum of 15mm Hg, or air pressure of about 2 atm (standard atmosphere). Pump features a gauge along with a removable cap and elastic valve to…

  • Burette

    United Scientific Supplies

    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".

  • Quartz Glass Crucibles

    United Scientific Supplies

    Clear quartz glass crucibles are useful for analytical applications that require ashing of samples. Can withstand a continous operating temperature of 1050°C. Lids for Clear quartz glass crucibles can withstand a continous operating temperature of 1050°C.

  • Porcelain Buchner Funnels

    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…

  • Centrifuge Tubes

    United Scientific Supplies

    Polypropylene tubes include blue HDPE leak-proof screw caps. The tubes and caps feature specially-designed flat threads for vacuum-type closure that is leak-free at a press of >700mm Hg. Highly smooth hydrophobic internal surfaces minimize wall effect. Silk-screen graduations and a frosted…

  • Volumetric Pipettes

    United Scientific Supplies

    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…

  • Class A Amber Volumetric Flasks

    United Scientific Supplies

    Amber stained volumetric flasks are manufactured per ASTM E-288 Class A Serialized glassware specifications. Calibrated to contain (TC), these flasks feature white enamel printing and diamond etched graduation line. Our flasks feature heavy-duty and uniform wall thickness and a wide mouth design…

  • Graduated Cylinders, Glass, Class A, Batch Certified

    United Scientific Supplies

    Cylinders comply with ASTM E1272, Class A standards, batch certified. Double metric scale, calibrated to contain. Borosilicate glass cylinders with pour spouts feature heavy uniform wall tubing and strong, stable, hexagonal bases. All cylinders come with bumper guards.

  • Polycarbonate Cryo Rack

    United Scientific Supplies

    This durable and autoclavable Cryo rack can hold 50 vials. Unique design at the bottom of each well lets vials be unscrewed without removing them from the rack. The rack features an alpha numeric index, and anti-skid rubber feet.

  • Concave Mirror

    United Scientific Supplies

    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.

  • Tubing Connectors Assortment

    United Scientific Supplies

    A convenient assortment pack of 36 tubing connectors for your lab, for use with a variety of tubing sizes and connections. Pack includes 9 each (3 each x 3 sizes) of L-shaped, T-shaped, Y-shaped, and 4-way polypropylene connectors that are autoclavable.

  • Neoprene Stoppers

    United Scientific Supplies

    Neoprene stoppers can be used in areas where rubber would be attacked by reagents or solvents. Synthetic neoprene stoppers have good resiliency and shelf-life. They withstand petroleum products and oils as well as most inorganic acids and bases. Stopper are green for easy identification. Sold by…

  • Glass Stirring Rod

    United Scientific Supplies

    Soft Glass Stirring Rod, both ends round.

  • Polystyrene Petri Dishes

    United Scientific Supplies

    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.

  • Multichannel Micropipette, 8 Channel

    United Scientific Supplies

    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…

  • Electricity Meters

    United Scientific Supplies

    Our meters are mounted in black plastic cases. Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw. Meters are not protected against prolonged or significant overload. Stackable for storage.

  • Cast Iron Support Stands with Rods

    United Scientific Supplies

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

  • Media Bottles

    United Scientific Supplies

    These borosilicate glass, general purpose media bottles are autoclavable with permanent white imprinted graduations and marking spots. The screw thread opening has an ID of approximately 30mm. The supplied cap is liner-less and both the cap and drip free ring are polypropylene autoclavable to 140…

  • Hooked Weight Set

    United Scientific Supplies

    Individually calibrated weights made of high quality stainless steel. Both sets come with a sturdy plastic storage block. Set of 9 includes 1 each of 5g, 10g, 50g, 100g, and 500g, plus 2 each of 20g and 200g weights. Set of 10 includes all of the previously mentions, plus 1 each 1000g weight.

  • Mortar & Pestle Set

    United Scientific Supplies

    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.

  • Pipette Filling Device

    United Scientific Supplies

    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…

  • New Style Plastic Beakers

    United Scientific Supplies

    Beakers, molded in Polypropylene, have excellent clarity and very good chemical resistance. They are autoclavable and feature raised graduations on the outer surface. New style beakers feature tapered spouts for easier pouring of solutions.

  • L-Shaped Connectors

    United Scientific Supplies

    Polypropylene L-shaped connectors with serrated ends are ideal for leak-proof tubing connections. Autoclavable.

  • Hooked Mass

    United Scientific Supplies

    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.

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