Lab Flasks

Corning PureCoat amine (positively charged) and carboxyl (negatively charged) surfaces provide improved cell attachment, faster cell proliferation, and enhanced recovery post-thaw over standard TC surfaces. These surfaces function with a broad range of primary, transfected, transformed, and...

Round bottom Short ring neck These PYREX® round bottom boiling flasks have short ring necks. These ring neck boiling flasks are precisely tooled for uniform stopper fit. The reinforced rim increases mechanical strength. These flasks are used in applications requiring rigid stoppering and as wash...

Short neck Heavy wall PYREX round bottom boiling flasks have full-length outer Standard Taper joints, but with shorter necks. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical...

Individually calibrated to deliver at 20C. Durable ring marks resilient wear. Supplied with standard ground polypropylene stopper. Specifications : Certified Class B tolerance per DIN ISO 1042  

Pre-mounted stainless steel clamps for Bellco Erlenmeyer flask. Flask Tray fits on top of the standard tray platform. Includes clamps.   Specifications:          Flask Positions: 49        Dimensions:...

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

Calibrated to contain at 20°C Red stripe, through which calibration mark is etched into transparent glass underneath Supplied with plastic snap cap

These borosilicate glass graduated neck flasks come in sizes to supplement our official metric series, LG-4317. Additional sizes can be supplied on request. Calibrated "to contain" at 68°F/20°C.

Similar to Congealing Temperature apparatus described in U.S.Pharmacopeia, 1995, pages 1780, except this apparatus is supplied with Ace-Threds in place of rubber stoppers, where practical. #50 thread at center holds a test tube with a #25 bushing, open top test tube utilizes a rubber stopper to...

Rugged spherical flask with neck opening of 4" (10.2cm). Standard size flasks use regular Glas-Col heating mantles of equivalent capacity. Length of straight section including flange, approximately 9.5cm (33/4 "). Uses 6496 Clamp for securing flask hea

KIMAX® boiling flask with a short Standard Taper joint neck. Designed from ASTM Specification E1403, Type I, Class IV requirements Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Water jacketed, flat bottomed spinner flasks consist of a water jacketed spinner flask, manufactured from Type 1 Class A borosilicate glass, and a microcarrier style impeller with glass shaft that extends through the cap and PTFE paddle. Flasks are typically used with a circulating water bath....

Borosil® Wide Mouth Class A Volumetric Flasks are individually calibrated by automatic, laser-controlled calibration equipment. Supplied with standard taper glass stoppers. Flasks comply with ASTM E-288, Class A. 20mL option is not covered in ASTM. 5mL, 10mL, and 20mL options have a trapezoidal...

Round bottom, HEAVY WALL flask with a standard taper outer joint and a side well to accept a thermometer. Top of thermowell is tooled to accept a #0 rubber stopper.

Manufactured from KIMAX™ borosilicate glass, ValueWare has a low coefficient of expansion and a very high resistance to chemical attack. This means optimal performance in the lab at an affordable price. Long life expectancy, resistant to most chemicals. Ideal for general laboratory use....

Alginates assay distillation system similar to the one described in US Pharmacopeia 2006, chapter 311. The system includes a metering valve with flow meter tube set, 250mL flask and mantle, reflux condenser with u-tube and hose connection adapters and a 250mL gas washing bottle. 5/16 in ID Vinyl...

These PYREX® multiple neck flasks have three vertical side necks with outer Standard Taper joints placed 90° apart and a larger center neck with a vertical Standard Taper joint.

Similar to CG-1603, but with PTFE stopper. Delivering high-quality precision and durability, this micro volumetric flask with a PTFE stopper is essential for any laboratory setting. Designed to meet Class A standards, it ensures the highest level of accuracy in measurements and dilutions of liquids....

Made of high quality, heavy duty, borosilicate 3.3 glass Single graduation line for precise dilution and preparation Class B tolerance conforms with ASTM-E288 standards Fitted with solid, glass pennyhead stopper Volumetric flask made of high quality, heavy duty borosilicate 3.3 glass. Single...

These borosilicate glass distilling receivers with inner and outer Standard Taper joints are used to determine the amount of dilution in crankcase oils when gasoline has been used as fuel. Receiver design keeps heat-sensitive materials away from the hot base of the flask. Calibrated "to...

Quartz single neck round bottom flask with standard taper outer joint. This round bottom, single neck flask is crafted from high-quality quartz, which is known for its exceptional thermal stability and chemical resistance. It is suitable for a variety of laboratory applications, including heating,...

Ai 24/40 standard taper joint, heavy wall oval-shaped, round bottom flask. These Heavy Wall Oval-Shaped Round Bottom Flasks are designed to provide superior durability and performance in laboratory settings. The oval shape enhances stability while the heavy wall design ensures resistance against...

Flasks are ideal for preliminary fermentation and bacterial growth studies Delong style neck and three side baffles Borosilicate glass type 1, class A Closures sold separately*