The ZEUS Long Neck Kjeldahl Flask is expertly manufactured from premium borosilicate glass to provide exceptional chemical resistance, thermal stability, and long-lasting durability in demanding laboratory environments. Designed with a long, narrow neck and a rounded body, these flasks are ideal for Kjeldahl nitrogen determination, acid digestion, distillation, and other analytical procedures requiring controlled heating and reduced sample loss. Their precision construction ensures reliable performance, excellent balance during handling, and consistent, accurate results across a wide range of laboratory applications.