Standard - Pulled-Etched-Tip (PET) ESI Emitters - 20µm x 50mm (5pk, EMPA)

8 μm Orifice PET Emitters

Crafted from 20 μm ID, 360 μm OD fused silica tubing and precision pulled-etched to an 8 μm orifice. Emitters are available in various lengths with Clean-Cut or polished ends.

Key Features

• Low Back Pressure: Minimal additional pressure despite the smaller orifice.
• Ultra-Smooth Surface: Chemically etched for a uniform, clean finish.
• Superior Spray Stability: Thin-wall design prevents wetting and supports ultra-stable sprays.
• Polished Inlet: Ensures optimal connection and sealing, minimizing dead volume.
• Versatile: Suitable for workflows with flow rates as low as 50 nL/min.

Specs

• Length: 50 mm.
• Part Number: EMPA
• ID: 20µm.
• Opening/Orifice: ~8µm.
• Legacy part number: C205.

Ideal for enhanced-sensitivity proteomics, metabolomics, and other nano-ESI workflows, these PET emitters provide consistent, precise sprays and reliable performance for demanding analytical applications.

Learn more about MicrOmics emitters at Emitter Technologies hub.