These premium quality tubes feature sturdy, uniform bottoms and consistent lengths. The 10x75 and 12x75mm sizes are suitable for cell washing procedures. Amber premium quality tubes are produced from amber borosilicate glass to give superior protection for light sensitive applications. …

Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.

Produces a relatively coarse homogenate For cellular work where the nucleus remains intact after homogenization All glass construction Two pestles are supplied with each unit: a large, clearance pestle for the initial sample reduction and a small, clearance pestle to form the…

Usable with standard liquid scintillation counting systems (9718G12 and G26) Background characteristics ensure suitability for low activity counting Capacity: 20 mL; maximum o.d.: 28 mm; overall height with cap: 61 mm Include size 22-400 screw-cap with cork-backed metal foil liner …

Pycnometer bottles are provided with non-mercury, red-spirit filled thermometers for facilities that are designated mercury-free. Bottles are designed with a special, medium length standard taper 10/18 joint and are retested for accuracy within ±0.2°C. Cap for side tube is medium length standard…

High-quality borosilicate glass, plain or cotton-plugged Designed from ASTM E732 specifications Ungraduated with square-cut ends Tip length of all 5 3/4" pipets is approximately 50 mm. Tip length of all 9" pipets is approximately 120 mm. Constriction approximately 25 mm from…

Designed to protect contents from UV rays and ideal for light-sensitive products. Supplied with 20-400 GPI screw cap, bulb and plastic or glass dropper assembled on the bottle Manufactured from soda-lime glass conforming to USP Type III and ASTM E438, Type II requirements

This closed system tissue homogenizer (tube with pestle) is non-sterile and packaged in a bulk pack configuration.

Resuspend protein and DNA pellets or grind soft tissues in micro centrifuge tubes Pestles are made of autoclavable blue polypropylene Pestles specially designed to match microtubes Optional cordless drive unit available , see Thomas number 3411E25 .

Ideal for general laboratory use including mixing, storing or transporting culture media, chemicals or solvents Enhanced graduations Wide mouth with pour ring Completely autoclavable Polypropylene caps included Extra-wide opening for ease of filling, dispensing, pipetting …

Designed from ASTM E 960 Type III 100 mL size graduated in 10 mL intervals; 200, 300 and 400 mL sizes in 25 mL intervals; 500, 600 and 1,000 mL sizes in 50 mL intervals.

Thick uniform walls throughout Extra wall thickness built into evenly tooled top rim Prolonged life expectancy Not recommended for use on hot plates where significant thermal gradients exist Durable matte finish marking area with white graduated scale KIMAX beaker with thick…

Solid Borosilicate (5663F29 to F47) With diameters selected within a tolerance of ±0.5 mm Kimax brand specific gravity is 2.23 Soda Lime Glass (5663L13 - L31) Made of soda lime glass, specific gravity is 2.49, approximately spherical In 1 lb. packages …

Volumetric pipets are ideal for measuring accurate volumes of liquids. Letters "TD" on the pipet indicate to deliver Sizes 1mL and larger are marked with large numerals on the bulb, indicating capacity Color-coded (ASTM E1273) for ease in sorting and selecting the…

Calibrated "to contain " Standard Taper stoppers (4997K13 to K76) Size 2 mL is test-tube shape and not marked A (as tolerances are larger) Sizes 5 mL and larger are designed for Federal Specification NNN-F-289 and meet ASTM Standard E 288 Capacity/stopper size given in listings …

Borosilicate glass tubes with fire-polished top rims and uniform wall thicknesses for maximum heat transfer and chemical resistance. The 6 x 50 mm size is often referred to as a “Durham tube” No marking spot Designed from ASTM Specification E982, Type IV requirements …

KIMAX®-51 brand, borosilicate glass (6148K07 and K23) Suitable for use in determination of blood coagulation time Thin wall, with open ends Length is 100 mm Size A, 0.8 to 1.1 mm i.d. x 1.4 to 1.6 mm o.d.; complies with requirements given in the United States…

Tooled, heavy-duty top finish Tops are of carefully controlled diameter Scale indicates approximate volume Thick walled body with tapered contour to minimize chipping

Manual hand crimper/de-crimpers for 11, 13, or 20mm aluminum seals and vials. Perfect for chromatography and general crimping needs.

With both ends rounded Designed from Federal Specification NNN-R-560, Type 1 Length x diameter in mm are shown in listings

Calibrated "to contain", they are designed from ASTM Specification E288, Class B requirements Sizes 10 through 50 mL include Standard Taper 9 glass stopper; size 100 mL, Standard Taper 13; sizes 200 and 250 mL, Standard Taper 16, size 500 mL, Standard Taper 19; 1,000 mL, Standard Taper…

Pipet, Color-Coded With Fused Scale Made from uniform-bore N51A tubing Designed from ASTM Specification E 1293, Style 1, Class B requirements Graduated between points above Safe-Gard tempered tip 50 mL size is not color-coded; calibrated to deliver Tolerances: 1/10 mL…

General purpose single-hole silicone rubber stoppers. Steam autoclavable Opaque yellowish-white color Stoppers are manufactured from pure silicone rubber

KIMAX® Low Form Griffin glass beakers offer excellent mechanical strength and durability, while providing high resistance to chemical attack and thermal shock. They have been a staple in research laboratories for many generations. Thick, slightly flared, beaded top, with a spout…

Same as the 9210E23 series, but caps have Teflon ® overliner bonded to the rubber liner Listings indicate tube length x o.d. in mm

This tubing is used for drain, vent, and general laboratory applications, and is specially formulated for resistance to flex-fatigue and abrasion. It has heavy walls to withstand a full vacuum, and may be used on a variety of glassware including filter flasks, condensers, and distillation adapters.…

Designed to address the experiments detailed in the Williamson text Macroscale and Microscale Organic Experiments published by D.C. Heath and Company, Lexington, Massachusetts. These experiments can also be performed with the KONTES Microscale Kit (1217C23). Students use the separatory funnel…

Kohlrausch, Class A Borosilicate glass Calibrated to contain 20°C Mouth enlarged for easier introduction of sample Meet NBS requirements

Thermometer with Standard Taper No. 10/18 ground joint serves as stopper Side arm is fitted with vented 5/12 cap Thermometer range 14° to 37°C in 0.2° divisions; tolerance ±0.2°C Capacities are within 10% of nominal capacities etched on flask 50 mL…

KIMAX® brand, Hubbard-Carmick Used in the determination of specific gravity Conforms to ASTM D 70, D 1963, D 1429 and D 115 for a variety of semi-solid materials and emulsions Conical stopper has 1.6 mm hole to allow air to escape

These Nessler tubes are ideal for color comparison. Shadowless bottom of each tube transmits undistorted light Rings and legend are durable white ceramic enamel 45310A series is supplied in matched sets of 6 Graduated ring scale of any of the six tubes will not vary by more than 3…

Wide mouth, with heavy-duty, tooled top finish and scale to indicate approximate volumes ASTM Specification E 1404 Type I Class 2 The 125 mL flask takes No. 6 rubber stopper; 250 mL flask, No. 8; 500 mL flask, No. 10; 1,000 mL flask, No. 11; 2,000 mL flask, No. 13.