Supplies

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 60 51 51.5 4 57 81 50 8 80 91 72 16 96 80 72 32 96 150 89 (12 per PK )

Manufactured from 5.1 expansion borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class B requirements, these threaded culture tubes are suitable for a variety of lab settings. Each tube is heat-treated at temperatures exceeding 500° C and immediately packed in a shrink-wrapped cardboard tray, 250 tubes per tray. This process avoids contamination and increases the strength and durability of the glass. Dimensional tolerances are strictly controlled for a uniform shape, including rounded bottoms and polished tops with smooth edges. Each tube has a chevron-shaped white enamel marking spot. Threaded necks accept a phenolic screw cap, not included. Available in six sizes, from 8 mL to 33 mL. (1000 per PK )

Pack of 50 racked 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. (50 per PK )

Molded polystyrene support stands are ideal for use in applications that require non-corrosive worksurfaces. Heavy, weighted base provides stability similar to metal versions. The removable steel rod is coated with polypropylene to make it non-corrosive. (1 per EA)

Large polypropylene molded laboratory tray is steam autoclavable and can be used for sterilizing and drying labware. The 5" depth makes this tray ideal for storage of labware. (6 per PK )

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. (1 per EA)

The most widely used qualitative filter paper for routine applications. Medium porosity and flow rate. 100 circles packed in a cardboard box. (100 per PK )

This 13 x 100mm polystyrene test tube has a capacity of 7ml. Tube features a round bottom and includes a hollow top plug cap made of polypropylene. Sold as a pack of 100 tubes. (100 per PK )

Features a 4-prong die-cast clamp attached to a chrome-plated steel rod. Jaws are lined with cork. Overall length is 8". (1 per EA)

This 7.5 meter (25 foot) metal blade tape measure is 1" wide and is scaled in 1/16" increments on one side and 1mm increments on the other side. Features an easy to read lockable, retractable yellow blade and high-impact ABS case. (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 )

Plates made of clear soda lime glass, 2mm thick, with ground polished edges. Useful for a variety of general laboratory applications including as a cover, mixing surface, etc. (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 )

Stirring rods are made of soft flint glass with both ends fire-polished and rounded (144 per PK )

These bottles provide an excellent option for storage of reagents and other materials in the laboratory. The square shape is designed to optimize shelf space. Available in three different sizes, these bottles feature polypropylene caps, are autoclavable, and provide good chemical resistance. (6 per PK )

Pre-cleaned slides with rounded corners are 75mm x 25mm, 1.0mm to 1.2mm thick, and are packaged in boxes of 72. Made of quality sheet glass, with ground edges. (72 per PK )

Polypropylene funnels have short, wide stems for convenient use with powders. Autoclavable. (6 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 )

Silicone stoppers are particularly useful due to their inert and nonreactive nature. It will not impair the growth of tissue cultures and resistant to most chemical acids and solvents. (12 per PK )

Our Magnetic Stir Bars are constructed of high quality magnets coated with PTFE. Along with individual sizes of polygon, octagon, and egg-shaped, two convenient assortments are available. Stir Bar retrievers also available. (1 per EA)

Cast iron, zinc-plated support ring with boss-head clamp and thumbscrew. Distance from support to center of ring is 4-1/2" for all sizes. (1 per EA)

Burettes are made from the highest quality accurate bore tubing to provide a high degree of accuracy, reliability, and durability. Amber graduations. Includes PTFE straight bore stopcock. Accuracy as per Class B. Calibrated To Deliver. (1 per EA)

Measuring Cylinder, Double Scale, To Deliver, Class A, Individually Certified, 250ml (1 per EA )

BOD Bottles for incubating diluted samples of clean water, waste water, effluent water, and polluted water during the 5-day biochemical oxygen demand (BOD) test. Bottles are numbered to allow for convenient organization of samples. 300ml bottles also incl (24 per PK )