Supplies

Case of 500 polypropylene tubes with conical bottoms and 15ml capacity. Blue HDPE leak-proof screw caps included. Feature silk-screen black graduations from 2–14ml, at intervals of 0.5ml. Autoclavable at 121°C and freezable to -45°C. Steam sterilized. Maximum RCF 9000. (500 per CS )

For use with micropipettes. Total capacity of 75 mL. Includes graduation marks at 10, 30 and 60 mL levels. Autoclavable. (12 per PK )

Rubber policeman attached to glass rod facilitates scraping and mixing. Stirring rods are made of soft flint glass, with both ends fire-polished and rounded. Policemen are made of natural rubber. Pre-assembled. (12 per PK )

Wide Mouth Polypropylene bottles are rigid, translucent, have excellent contact clarity, and can be autoclaved. (50 per CS )

Hydrometers for determining the specific gravity of liquids. Two specific gravity ranges available. Each unit is housed in a re-usable storage tube. (1 per EA)

United Scientific™ graduated cylinders comply with ASTM E1272, Class A standards, batch certified. Each cylinder features a double metric scale, calibrated to deliver. Borosilicate glass 3.3 cylinders with pour spouts feature heavy uniform wall tubing and attached glass hexagonal bases. All cylinders include bumper guards and a batch calibration certificate. (2 per PK )

These black stoppers are made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions. Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F). Available in solid, one-hole, and two-hole versions. Each stopper has its size marked in raised figures. All stoppers are 25 mm tall. Sold as one-pound bags. (10 per PK )

Tall form Berzelius beakers include a spout. Our beakers are made from low-expansion borosilicate glass. Beakers feature heavy and uniform wall thickness, spouts designed for easy pouring, and beaded tops. Also include white printed graduations and a marking area. Tolerance for beakers is approximately +/- 5%. (48 per CS )

Tall form crucibles include lids. Crucibles are glazed on inner and outer, surfaces except for the outside bottom and rim. (6 per PK )

Manufactured with high-quality 304 Stainless Steel, United Scientific REUZ™ (“re-use”) Offset Spoon Spatulas include an offset spoon on one side and a spatula on the other side. Useful in laboratory settings where easily sterilized stainless steel is desired. Constructed of a single piece of stainless steel with a polished surface to resist contamination. Intended for use with most powders, granules, pastes and liquids. Available in sizes from 155 mm to 395 mm. Sold individually. REUZ™ products from United Scientific promote sustainability in all laboratory environments. REUZ™ products from United Scientific promote sustainability in all laboratory environments. (1 per EA )

Manufactured with high-quality 304 Stainless Steel, United Scientific REUZ™ (“re-use”) Offset Spoon Spatulas include an offset spoon on one side and a spatula on the other side. Useful in laboratory settings where easily sterilized stainless steel is desired. Constructed of a single piece of stainless steel with a polished surface to resist contamination. Intended for use with most powders, granules, pastes and liquids. Available in sizes from 155 mm to 395 mm. Sold individually. REUZ™ products from United Scientific promote sustainability in all laboratory environments. REUZ™ products from United Scientific promote sustainability in all laboratory environments. (1 per EA )

Our boiling flasks are made from low-expansion borosilicate glass. Feature uniform wall thickness for superior mechanical strength and shock resistance. (1 per EA)

Each set contains a stamped steel base and a zinc-plated steel rod, along with 2, 3, 4, or 5 cast iron rings with clamps. (1 per EA)

These autoclavable, table type Buchner funnels are ideal for vacuum filtration. Includes a tubulated side outlet and accepts standard filters. (1 per EA )

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 hydrophobic design to prevent liquids and aerosols from entering the body of the micropipette. These tips are non-cytotoxic, non-hemolytic, and have 99.9% Bacterial Aerosol Filtration Efficiency (BFE). DNase, RNase and Pyrogen free. Packaged in racks of 96 with 10 racks in each. (960 per PK )

Replacement Pipets and bulbs, PK/12 for item BOT030 (12 per PK )

Heavy wire test tube rack includes a durable epoxy coating. Holds up to 36 tubes. (1 per EA)

Our deluxe line of 3-prong extension clamps are constructed of pressure die-cast zinc alloy and are chrome-plated. Clamps open to about 3", have a recommended maximum grip size of about 2.25", and feature double keyed spring-type adjustment screws. Boss h (1 per EA)

Good quality natural bristles, mounted in twisted heavy gauge galvanized wire. All brushes feature a radial top. (12 per PK )

Pinchcock tubing clamps are made of zinc-plated steel wire. (1 per EA)

These grade XXX tapered cork stoppers are an excellent choice for general laboratory use. They are effective for both liquid and solid mediums, and offer light weight, resilience and compressibility. Chemically inert and moisture resistant. Sold as packs (100 per PK )

Stainless steel scoop with one pointed end for handling small amounts of chemicals. Length 6-1/2" (16.5cm). Also available with 5" long hardwood handle. (1 per EA)

Polypropylene, non-corrosive pipette stand can hold up to 28 pipettes. The heavy base is 9" in diameter and the polypropylene coated square rod is 15" high. The top disc has holes for supporting the pipettes while the lower disc has pilot holes where pipette tips rest and liquids can drain down to the base. (1 per EA)

Conical form, unglazed, 99.7% alumina crucible. Maximum use temperature is 1750°C. (1 per EA)