Best Lab Reaction Kettle Flasks
These 4000mL PYREX kettles have covers with four openings to accommodate 24/40 Standard Taper joints.
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These borosilicate glass cylindrical reaction vessels are without constriction at the top and have a flat bottom.They feature sturdy walls and a tooled flat flange with a surface ground to assure a tight seal.
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Featuring a center neck and two side necks with full length outer Standard Taper joints, these borosilicate glass 3-neck reaction vessel lids/covers have a flat flange with 5-3/8" O.D.
Find Best Price at AmazonBest Lab Recovery Flasks
PTFE adapter has FDA grade silicone gasket behind a PTFE envelope type seal so that liquid or powders are only exposed to glass or PTFE.
Find Best Price at AmazonBest Lab Distillation Flasks
Texas Residents: Under Texas State Law, this product requires a Precursor Chemical/Laboratory Apparatus NAR-120 permit to ship to a Texas address.
Reviews
Find Best Price at Amazon"1st one arrived broken in shipment, immediate replacement sent upon notification to SEOH."
"retorts can have a number of different features that can make them better suited than others, what I like about this one is that it is made of high quality glass, which can take the heat."
Best Lab Cell Culture Flasks
Capacity: 250 milliliters |. Item Shape: Conical |. Number of Items: 6 |. Part Number: 25630-250.
Find Best Price at AmazonBest Lab Spinner Flasks
The patented 'stretch' impeller design ensures optimal stirring, and the side baffles enhance aeration and agitation of the flask contents. The sidearm design permits easy access of 25 and 50mL pipets. The vessel is made of borosilicate glass and the caps of polypropylene, with a polysulfone shaft with a Vortex Impeller paddle assembly. It has consistent height to width ratios for greater predictability.
Find Best Price at AmazonBest Lab Dewar Flasks
Any skin contact with liquid nitrogen will result in cold burns. A dewar tank is a double-walled flask of metal or silvered glass with a vacuum between the walls, used to hold liquids at well below room temperature.
Reviews
Find Best Price at Amazon"Good quality and nice cover."
"works very, very well."
"Very good container with low loss."
"The styrofoam insert which helps insulate the top of the bottle seems to work well."
"Very slow dissipation of liquid nitrogen, especially with Styrofoam insert under the lid."
"Worked well for us and lasted about 60 days."
"Using the provided canisters was not easy to use as the container mouth is narrow."
Best Lab Boiling Flasks
7740 Pyrex brand clear borosilicate glass for durability and chemical- and temperature-resistance, and its uniform wall thickness provides mechanical strength for shock-resistance. 7740). Capacity. 250mL. Stopper size. #5. Top style. Tooled mouth. Working temperature. 230 degrees C. Dimensions. 134mm height, 82mm OD. Flasks are glass or plastic containers for storing or collecting chemical samples or solutions in scientific laboratories.
Reviews
Find Best Price at Amazon"Exactly as pictured... Nice and thick, especially around the top."
"I enjoy making my on essential oils using steam distillation."
"Very thick glass, well made."
"i use this as a vase and love it."
"I bought a petri dish to use as a soap dish, along with this flat bottom flask for a toothbrush holder, and beaker for a glass."
"Exactly as pictured."
Best Lab Volumetric Flasks
Karter Scientific® is a registered trademark in United States of America.
Reviews
Find Best Price at Amazon"Yeah, I keep booze in these, so if you're looking for a review about lab suitability, keep scrolling."
"Bought for a kids birthday party, not bad for the price but don't expect high quality."
"Sturdy and came well packed!"
"This had some strange sticky Brown stuff all over it."
"Exactly what my wife wanted to water her plans."
"Came a bit scratched up but other than that it's just as advertised."
"I will be using for chemistry storage so heat capability is not an issue."
"I've been using it with a 1" Teflon stirbar (round) on a non-heated stir plate and have found chips/cracks in the bottom of the flask after 4-5 uses (less then 4 months old)."
Best Lab Filtering Flasks
The Bomex filtering flasks have a narrow mouth, tooled top finish and made of clear borosilicate glass.
Reviews
Find Best Price at Amazon"The glass doesn't appear to have any bubbles or other imperfections that would compromise the integrity of the glass while under vacuum."
"Awesome for the price."
"Delivered as expected."
"great extra heavy wall dist flask nice."
"In one section it says they take #6 stoppers, standard 1000mL side-arm flasks from other manufacturers take #8 stoppers (what I bought), and another place in the description says #10 stoppers."
"Very nice quality."
"Nice flask at a great price."
"Safely packaged, works as expected."
Best Lab Erlenmeyer Flasks
Karter Scientific® is a registered trademark in United States of America.
Reviews
Find Best Price at Amazon"It would be nice if they had rubber stoppers or tops."
"Used this to put rock candy inside to use for "blue meth" from Breaking Bad."
"Everything was perfect for my granddaughters MC2 Birthday Party."
"This is a three piece set, great quality, exactly as pictured."
"Smaller than I expected but that makes them cuter."
"Great Science Party Accessory!"
"The 250 mL flask arrived with a big chip out of the lip, I could not find the broken piece, leading me to believe that it was packaged broken, there is also a big crack in the side of it."
"broke quickly after couple of days of use."
Best Lab Kjeldahl Flasks
These 300mL PYREX Kjeldahl flasks have tooled finished necks for extra strength and uniform rubber stopper (No.
Find Best Price at AmazonBest Lab Freeze Dry Flasks
A complete Fast-Freeze Flask consists a rubber top, glass bottom and a supply of filter paper.
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