ASTRA® C18-HE HPLC column, 5.0 µm 30 mm × 2.1 mm, AST-5732-LD21

The ASTRA^® brand extends new line of the ARION^® HPLC columns.

• Strict quality control of alkaline and heave metals content during silica gel production process (<10 ppm)
• Narrow particle size and pore volume/size distribution
• Unique production process ensuring high lot-to-lot reproducibility
• High end-capping in gaseous phase

Main particle characteristics:

• High proximity to the circle
• Surface smoothness
• Tight particle size distribution
• No broken particles
• No presence of clustered particles
• No “Moon craters or mountains”