RTA is also proud to offer our patented sol-gel SERS substrates in capillary tubes. These are available with either silver or gold nano particles.


Advantages
- Small Sample mass or volume (µg or µL)
- No sample preparation (just add water or solvent)
- Suitable for all common solvents
- No solvent removal by drying required
- Suitable for wide pH ranges
- Signal enhancements of 10^6 typical
- Detection limits: ppm and below
- Fast response time (<10 seconds)
- High reproducibility
- Long shelf life (months)
- Over 300 chemicals measured