Supplies, Glass, Flasks
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Heavy-duty rim for longer service Narrow mouth Graduated scale indicates approximate volume The Erlenmeyer design is extremely popular and has been modified for numerous lab applications.
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Full length 24/40 joint on all sizes except 50 mL, which has Standard Taper 19/38 joint Graduated scale indicates approximate volumes Extra large marking space
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PYREX® Kjeldahl Flasks
CorningRound bottom and long neck 30 mL size has square-cut mouth for multiple micro digestions; mouths of larger sizes are tooled for uniform rubber stopper fit. 30 mL flask conforms with ASTM Standard E 147 for microchemical apparatus; 100 mL through 800 mL flasks can be used in ASTM E 258 procedure.
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KIMAX Sugar Flasks
DWK Life Sciences (Kimble)Kohlrausch, Class A Borosilicate glass Calibrated to contain 20°C Mouth enlarged for easier introduction of sample Meet NBS requirements
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6513C60 stopper was traditionally offered by Thomas for 300/500 mL combustion flasks; glass tip extends 50 mm below ground joint 6513C65 stopper is used for 1,000 mL combustion flasks; glass tip extends 90 mm below ground joint All feature U-shaped platinum gauze with 3 mm opening for insertion…
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Thomas-Schoniger Replacement Combustion Flasks
labForce® (powered by Thomas Scientific)Conical, of heavy-wall borosilicate glass All sizes have Standard Taper 34/28 ground joints and bell-shape lip 65 mm wide x 30 mm deep. 500 mL flask is 195 mm high: 1,000 mL flask, 230 mm. Without stopper or platinum carrier.
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KIMAX Kjeldahl Flasks
DWK Life Sciences (Kimble)Reinforced bead at top 300 mL and larger sizes have tooled necks 10 and 30 mL sizes are designed from ASTM Specification E 147; 100 mL through 800 mL sizes are designed from ASTM Specification E 1377, Type 1 requirements.
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PYREX Vacuum Filter Flask
CorningFor use in vacuum filtration applications Withstands full vacuum (to 30” Hg) With hose barb for 1/4” I.D. tubing
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Delong style Three baffle indents Designed to provide greater agitation of solution to improve oxygen or gas transfer when used with rotary or reciprocating shakers. Long neck reduces splashing and is designed for two-position polypropylene closures.
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PYREXPLUS® Filter Flask
CorningProtective PVC coating for longer product life and safety Graduated to show approximate capacity Heavy wall Autoclavable (121 °C) and resistant to thermal shock Tubulation O.D. is 10 mm on sizes up through 1,000 mL and 12.5 mm on 2,000 and 4,000 mL sizes (tubing is non-coated).
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Airless-Ware Kjeldahl Schlenk Flasks
DWK Life Sciences (Kimble)With a unique design for the manipulation of air-sensitive and moisture-sensitive compounds Features a modified Kjeldahl shape that facilitates heating, stirring and solvent stripping without impairing ease of liquid and solid transfer The bottom of the flask is shaped to fit Kontes oil…
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PYREX Low Form Culture Flasks
CorningMaximum o.d. 250 mm; height 195 mm Takes number 6 1/2 rubber stopper Capacity 2,500 mL
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Trypsinizing Flasks with Pourout
DWK Life Sciences (Wheaton)For forming cell suspensions through trypsin digestion of connective proteins Fluted design improves homogenization Autoclavable with screw cap and pourout for easy decanting Constructed of borosilicate glass that conforms to USP Type I and ASTM E 438 Type I, Class A requirements 20-415…
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Double Sidearm Celstir® Spinner Flasks
DWK Life Sciences (Wheaton)With Cell Suspension Stirrer, Celstir® Entire flask assembly can be autoclaved Offered in six sizes, working capacities 25 to 1,000 mL Easy access through side arms Of Wheaton “200” borosilicate glass Cylindrical with screw neck and polypropylene cap …
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Flask, Culture, Long Neck, Scale, 125ml
DWK Life Sciences (Kimble)KIMAX® flask has a thick-walled tubing neck with a plain fire-polished finish sealed to an Erlenmeyer-shaped body. Autoclavable All flasks have durable white ceramic enamel scales to indicate approximate volumes at various levels Designed from ASTM Specification E1404, Type IV,…
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Trypsinizing Flasks
DWK Life Sciences (Wheaton)For forming cell suspensions through trypsin digestion of connective proteins Fluted design improves homogenization Autoclavable with screw cap Constructed of borosilicate glass that conforms to USP Type I and ASTM E 438 Type I, Class A requirements Caps have white styrene butadiene…
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Calibrated to Class A ASTM E-542 and E-288 Supplied with a certificate of identification Traceable to NIST standards The graduation line is sharp and permanent. Large white block letters make it easy to read. Supplied with a Standard Taper stopper.
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PYREX VISTA flat bottom boiling flasks have full length outer 24/40 Standard Taper joints, but with shorter necks. Wall thicknesses are controlled to provide balance between thermal expansion and mechanical strength for greater shock resistance. The flat bottom boiling flasks are designed to ASTM E-1403.
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These PYREX® EZ Access™ wide mouth volumetric flasks are calibrated to Class A tolerances and are designed for microchemical work. The heavy duty, wide mouth facilitates filling and mixing. Supplied with interchangeable Standard Taper PYREX® ground glass stopper. The graduation line…
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Iodine Flasks
CorningFor the determination of the iodine number of oils, fats and waxes by the Wijs and Hanus methods Flaring, funnel-shaped lip and Standard Taper 22 stopper
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KIMAX Dissolution Flask
DWK Life Sciences (Kimble)Capacity 1000 mL, 108 mm o.d. x 165 mm high Precision-formed borosilicate glass flask for determining the relative dissolution characteristics of drugs in capsule or tablet form. Flasks are suitable for use with most existing equipment.
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Permanent graduation line Machine-blown bodies Heavy-beaded, heavy-tubing necks are tooled for polyethylene stopper Stopper is made with a closed bottom and is of linear, high-density polyethylene to conform to Standard Taper stopper dimensions
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These PYREX® wide mouth Erlenmeyer flasks are especially recommended for use as titration flasks and are designed with heavy duty rims to reduce chipping. For convenience, these flasks are graduated in durable white enamel to show the approximate capacity and have an extra large marking…
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These flasks are for use in determining phosphoric acid in mixed fertilizer. Flasks feature a wide neck and heavy construction throughout.
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PYREX Micro Tubulation Flask
CorningSmall filtering flasks are recommended for microchemical use All flasks have permanent white-enamel marking spots Takes rubber stopper No. 3; 50 mL size, No. 4; 125 mL size, No. 5
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Baffles enhance aeration and agitation of contents of the flask. Unique impeller design ensures optimal stirring. Sidearm designs permit easy access of 25 mL and 50 mL pipets. Reusable Glass Spinner Flask is designed to improve cell growth by keeping the culture media moving and…
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PYREX Erlenmeyer Shaker Flask
CorningDelong style Extra deep baffles These PYREX Delong style shaker culture flasks have three extra deep baffles designed to provide greater agitation of solutions to improve oxygen or gas transfer when used with rotary or reciprocating shakers. The long neck reduces splashing and is…
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Flask Distill Engler 125ml
DWK Life Sciences (Kimble)KIMAX distilling flask. The sidearm tube is sealed at an angle of 75 º from the neck and is 137 ± 3 mm from the bottom of the flask. It is designed from ASTM Specification E133 and intended for use in ASTM D86, D233, D801, and D802.
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Flask Complete 4000 ml
CorningThese PYREX® 4L volumetric flasks provide improved lab convenience, broad selection and precise volume measurement. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 38 Standard Taper pennyhead glass…
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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 controlled to provide balance between thermal expansion and mechanical strength for greater shock resistance. The…
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Three Vertical Neck Round Bottom Flasks
DWK Life Sciences (Kimble)Three-neck heavy wall round-bottom flask with Standard Taper outer joints Side necks are vertical Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
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Thomas Combustion Flask Replacements and Accessories
labForce® (powered by Thomas Scientific)6514F35 of borosilicate glass, with Standard Taper 35/25 socket mouth; without stopper or sample carrier. 6514F40 stopper fits the 500 and 1,000 mL flasks; glass hook tip on lower end; platinum sample carrier not included. Black paper sample wrappers (6514F70) absorb heat quickly for infrared…