ASTRA® C18-AQ online SPE Column, 10.0 µm 20 mm x 2.1 mm

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

• Strict quality control of alkaline and heavy 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

• High proximity to the circle
• Surface smoothness
• Tight particle size distribution
• No broken particles
• No presence of clustered particles