- Made of high quality borosilicate glass
- Designed for nitrogen determination as per Kjeldahl method
- Conforms to DIN ISO 12360 standard
Kjeldahl flask made of heavy-duty borosilicate 3.3 glass. Long neck, round bottom, and ground glass socket designed for nitrogen determination as per Kjeldahl method. Conforms to DIN ISO 12360 standard. Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Eisco Labs borosilicate glass has the following heat tolerances: Strain Point 515°C | Annealing Point 565°C | Softening Point 820°C.