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Stonylab
3 Neck Round Bottom Flask
Crafted from high-quality Borosilicate Glass, it boasts excellent heat resistance and chemical stability. The round-bottom design facilitates even heating, providing users with clear visibility for observation and operation.
Livio
Reviewed in Italy on February 25, 2025
Ottimo prodotto
izekei
Reviewed in the United States on October 30, 2024
They work great and good quality.
xg
Reviewed in the United States on August 3, 2022
I like it.
Aaron G.
Reviewed in the United States on July 7, 2022
What waste of beautiful glass. Driver gets the main blame. Prime driver was driving his own car I'm guessing. I'm pretty sure he stopped short, causing the broken flask.Packaging was a litte haphazardly put together. Just not my day.
Clementine Boutry
Reviewed in the Netherlands on January 19, 2022
The item arrived fast and conform to the description
Sebastian puk
Reviewed in the United Kingdom on September 20, 2020
Perfect
Jorge Flores
Reviewed in Mexico on July 24, 2020
Matraz de 3 bocas 24/40 de vidrio de muy buen calidad, muy buen espesor. No los uso con clip para poder corroborar o no lo que dicen otros compradores. Entrega un día antes de la fecha indicada, al vendedor responde todas las preguntas muy amablemente y te da factura, evidentemente es factura extranjera para México pero sirve para mi trámite.
Peng
Reviewed in the United States on July 23, 2019
the wall is too thick for us to run our experiments
Alan
Reviewed in the United States on February 21, 2019
This is good quality glass. Just note that it uses a angular interface bulge ground glass joint, not the arc bulge joint that most other companies use, and needs a different keck clamp.
Frank
Reviewed in Germany on November 2, 2019
ist etwas teurer,dafuer aber alles ok+gut
MattYH
Reviewed in the United States on March 16, 2018
The bottle I received looks strong enough with clear glass. I haven't started using it but will give an update after I use it
west
Reviewed in the United States on December 7, 2018
as expected, typical size for 3 neck. removed one star because stony lab glass doesn't accept joint clips, the joint ring is too wide. every other brand accepts the normal joint clips.
Bo
Reviewed in the United States on April 2, 2018
This flask did exactly what I needed it for, and it didn't break under the around 400°c I needed to distill mercury. Furthermore, it did withstand the boiling mercury which I was slightly worried about. All in all, a worth buy and I would recommend it to anyone who needs a 500mL 3 neck.
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