Flasks, Evaporating

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 Supplied...

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 22...

KIMAX flask with a graduation ring blasted on the neck. Calibrated to contain. With a marking spot ground glass stopper is supplied. Mixing bulb in the neck, between the stopper and capacity ring, contains Approximately one tenth of the capacity of the body to aid in dissolving or mixing the...

This Volumetric Flask, featuring the Kohlrausch design, is a must-have for any laboratory requiring precise measurements. It is engineered for stability with its flattened bottom, ensuring it remains steady during use. This Class A flask guarantees high accuracy and reliability, meeting the...

KIMAX flask used in assay of oils of cinnamon, chenopodium, cloves, spearmint and other essential oils, according to methods of the United States Pharmacopoeia and the Essential Oil Association of the USA. Calibrated to contain. With a marking spot and a durable white ceramic enamel scale. Neck is...

Synonym: filter flask, filter flasks, filtering flasks, flask filter General description 1,000 mL, with 3-way glass stopcock. Allows waste solvent to be drained from flask via stopcock without disassembly, thus minimizing breakage. Use with NMR tube cleaners, Gooch crucibles, and Buchner funnels....

With pennyhead Standard Taper stopper Designed from ASTM Specification E 1404, Type II Class 2 requirements Scale indicates approximate volumes

Round bottom flask with two socket joints.

Flat gaskets for sealing two flat ground glass surfaces. Plain flat or grooved PTFE gaskets reduce breakage and make an effective seal. Our flat, exclusive FETFE gasket provides a leak-free seal with slight clamp pressure. These are designed especially for use with our conical or flat ground flange...

Amber stained volumetric flasks are manufactured per ASTM E-288 Class A Serialized glassware specifications. Calibrated to contain (TC), these flasks feature white enamel printing and diamond etched graduation line. Our flasks feature heavy-duty and uniform wall thickness and a wide mouth design for...

Round bottom flask with four necks arranged 3 in-line and one 10/30 joint at 90 degrees. The 500ml size has angled side necks while all other sizes feature vertical necks. Available in heavy wall.

Permanently marked with an individual serial number, providing an easy way to track items used during analytical testing Carefully selected to meet the Class A requirements as specified in ASTM E 288 - Standard Specification for Volumetric Flasks Supplied with a Certificate of Graduation Accuracy...

Made from optically clear polystyrene Sterilized to SAL 10 -6 Corning polystyrene Storage Bottles are now available as closed system solutions. They are sterile and arrive individually double-bagged and peassembled. The preassembled transfer caps have two ports. One port ends in a 0.2µm...

1000 ML FLASK, ERLENMEYER

Round bottom flask with short neck and outer joint. Available in standard and heavy wall. Heavy wall approximately 30% heavier than standard wall. Used by glassblowers in fabricating single or multi-necked flasks.

Screw cap or stopper Meet Class A tolerances per DIN EN ISO 1042 PFA or PMP construction Highly transparent Easy to clean Flasks are manufactured from PFA (a perfluoxy copolymer), which is highly resistant to heat and chemical contamination. PFA surface properties offer superior cleanability to...

Ai 2L, 24/40 standard taper joint, heavy wall, round bottom 2-neck flask with one vertical 24/40 neck, and one angled 24/40 side neck. Glass material: high borosilicate glass 3.3.

Class A, USP, certified volumetric flasks. These are supplied with a glass stopper with a dripping tip. Available in both transparent and amber color. High contrast blue enamel print on transparent flasks and white on amber flasks represent the optimum combination of resistance and readability....

Single-neck flask with a Standard Taper outer joint at top Heavy wall Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Boiling, flat bottom flasks with ground glass joints. Our boiling flasks are made from low-expansion borosilicate glass Feature uniform wall thickness for superior mechanical strength and shock resistance Ideal for boiling, heating and mixing in the laboratory

Boiling, round bottom flasks with ground glass joints. Our boiling flasks are made from low-expansion borosilicate glass. Feature uniform wall thickness for superior mechanical strength and shock resistance. Ideal for boiling, heating and mixing in the laboratory.

High quality glass drain port with PTFE open/close valve for Ai 3L, 5L, 10L, 20L receiving flasks. Glass material: high borosilicate glass 3.3

KIMAX flask with a graduation ring blasted through a vertical stripe on the neck. Contrast between the blasted line and the deep amber background provides legibility without coloring of the graduation line. Calibrated to contain.  ground glass stopper is supplied with the flask. Designed from...

Apparatus for a wide range of organic chemistry experiments at a lower price than purchasing the components separately WHEATON standard taper Clear-Seal grease-free joints provide smooth, unground surfaces, which seal without grease and reduce seizing and contamination from grease Clear-Seal joints...