Supplies

Our polypropylene one-piece measuring cylinders have raised graduations for easy readability. They are autoclavable and have excellent contact clarity. The hexagonal base provides excellent stability to the cylinder, and the tapered spout enables easy pouring of reagents. Stated tolerances are the same as graduated intervals below. (6 per PK )

Polymethylpentene cylinders have glass-like clarity and feature easy-to-read molded in graduaations. Hexagonally-shaped bases for extra stability. Large spouts for smooth flow of liquids during pouring. Autoclavable to 121° C. Meets accuracy requirements (1 per EA)

Removable concentric rings provide an adjustable worksurface for various applications. Cast iron ring with black enamel finish. Detachable zinc plated legs are interchangeable for use with various sizes of rings. Rings and legs are also available individu (1 per EA)

United Scientific™ serological pipettes feature black graduations for precise reading and accurate dispensing. Reverse graduations show volume removed or remaining on all pipettes larger than 1 mL. Negative graduations provide additional pipetting volume. Manufactured from transparent USP Class VI polystyrene and sterilized by gamma irradiation. Each lot is DNase, RNase, & Pyrogen free. Pipettes are individually wrapped in plastic/paper easy-to-peel packs. Manufactured to ASTM Standard Specification for Serological Pipettes E-934. (100 per PK )

Disposable economical plastic loops for use when flame sterilization is not needed. Overall length is 8.75". Sterilized and packed in a plastic bag. (30 per PK )

Sterile tips are packaged in racks of 96 with 10 racks in each case. 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 prov (960 per PK )

Empty Micro Tip boxes contains 96 tip holes, spaced uniformly so they can be used with a multi-channel micropipette. Includes a transparent top cover. Autoclavable. (6 per PK )

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 (1000 per PK )

Pack of 1,000 graduated micropipette tips, size 2 – 300µl. Deliver 10x lower retention levels with viscous samples, as compared to standard pipette tips. Highly homogenous surface is free of defects, preventing non-specific binding. Manufactured from ultrapure USP Class VI certified, virgin polypropylene. DNase, RNase and Pyrogen free. Natural color. (1000 per PK )

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 (500 per PK )

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 (1000 per PK )

Polypropylene beakers with pouring spouts are ideal for general laboratory use. Tapered design is convenient for stacking and holding. All sizes have easy to read silk-screened graduations. Autoclavable. (12 per PK )

Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included. Meets Class A specifications per ASTM E-288. Batch certified. (1 per EA)

Measuring Cylinder, Double Scale, To Deliver, Class A, Individually Certified, 10ml (1 per EA )

RIA vials are generally used in radioimmunoassay - a scientific method used to test antigens without the need to use a bioassay. The polypropylene vials are translucent and can withstand 3000 RCF during centrifugation. Can be used with common acids, alkal (500 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 )

Glazed, with spatula on one end and spoon on the other end. (1 per EA)

Flexible stainless steel blade with rounded end, mounted in a polished wood handle. (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)

These Type 3 serological pipettes are made from borosilicate glass and comply with USP standards. Color-coded. Batch certified. Calibrated to deliver. Printed with durable amber markings. (5 per PK )

Knee-length lab coats made of easy care white cotton blend fabric (65% polyester, 35% cotton). Our coats feature one upper left breast pocket, two roomy lower pockets, side pocket slit openings, and a sewn-down back belt. (1 per EA)

Knee-length lab coats made of easy care white cotton blend fabric (65% polyester, 35% cotton). Our coats feature one upper left breast pocket, two roomy lower pockets, side pocket slit openings, and a sewn-down back belt. (1 per EA)

Quartz Glass Crucible Lid 50ml fits #CGQ 050 (1 per EA)

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