Technology

High sensitivity and dynamic range

The system includes an embedded mass spectrometer (Pfeiffer Prisma Pro), a BioLogic SP-200 potentiostat, and all the necessary accessories to perform electrochemistry mass spectrometry experiments out of the box. The mass spectrometer was chosen to match the properties of the membrane microchip, being capable of measuring 10^15 molecules/second.

The chip is the secret behind the ultra-high sensitivity that allows the Spectro Inlets system to detect down to 10 ppm of a monolayer desorbing in a second. By design, the membrane chip is 3-4 orders of magnitude more sensitive than conventional DEMS systems for light substances.

The membrane chip was chosen to optimize the collection efficiency for those molecules that have a high volatility and that occur most often in electrochemical experiments, while lowering the uninteresting water signal. Any volatile can be measured, with a response time depending on the solubility, volatility, and stickiness of the analyte.

With the Spectro Inlets system, you can measure from 1 mA to 1 nA of continuous product formation. We have worked in collaboration with Pfeiffer Vacuum to bring you the ideal mass spectrometer for EC-MS measurements, enabling the extraordinary sensitivity that the Spectro Inlets EC-MS system guarantees.

With a 7-orders-of-magnitude dynamic range, the Spectro Inlets system can operate with gases with a 6.0 purity level. Furthermore, the entire system is constructed using VCR® metal gasket face seal components, which are rated for ultrahigh vacuum applications and are compatible with 6.0 gases.