What does 908 devices do?
The program is designed to detect, identify, alarm and report the presence of traditional and advanced threat vapors and aerosols. With roots at the University of North Carolina at Chapel Hill, 908 Devices is a pioneer of purpose-built analytical devices for chemical and biomolecular analysis.
How many employees does 908 devices have?
96 employees
How many employees does 908 Devices have? 908 Devices has 96 employees.
What is MX908?
MX908 is a multi-mission handheld mass spectrometer utilized by elite responders conducting chemical, explosive, priority drug and HazMat operations around the world. Request A Quote. Confidence: High selectivity and sensitivity for priority threats.
What is high pressure mass spectrometry?
High pressure mass spectrometry (HPMS) facilitates miniaturization by significantly reducing vacuum system requirements. A mixture of VOCs was detected with ambient air as the buffer gas, showing that valuable mass information can be gained using HPMS without the requirement of an onboard buffer gas source.
Why is vacuum necessary in the mass filter of a mass spectrometer?
All mass spectrometers operate at very low pressure (high vacuum). This reduces the chance of ions colliding with other molecules in the mass analyzer. Any collision can cause the ions to react, neutralize, scatter, or fragment.
Which probe is used for the introduction of the sample in mass spectroscopy?
direct insertion probe
The use of a direct insertion probe is a common method for the introduction of samples into the mass spectrometer. The technique is preferred due to the speed of analysis of solid matrix samples.
What is being detected in mass spectrometry?
Mass spectrometry (MS) is an analytical technique that is used to measure the mass-to-charge ratio of ions. The ions are detected by a mechanism capable of detecting charged particles, such as an electron multiplier. …
What are the main functions of a vacuum pump in a mass spectrometer?
The Vacuum Pump The ultra-high vacuum produced by the pump extracts molecules from the Ion Source as it spins at turbocharger levels. This allows Ions to travel freely through the Vacuum Chamber without colliding with air molecules and ensuring accurate sample analysis.
What detectors do mass spectrometry use?
The detector used for most routine experiments is the electron multiplier. Another type of detector is photographic plates coated with a silver bromide emulsion, it is sensitive to energetic ions. A photographic plate can give a higher resolution than an electrical detector.
Which of the following detectors are used in mass spectroscopy?
The resistive anode encoder (RAE) detector is a form of a charge division detector commonly used in imaging MS, particularly secondary ion mass spectrometry (SIMS).
What deflects the ions in a mass spectrometer?
Deflection. Different ions are deflected by the magnetic field by different amounts. The amount of deflection depends on: the mass of the ion.
Why are only cations detected in mass spectrometry?
Because mass spectrometry measures the mass of charged particles, only ions will be detected, and neutral molecules will not be seen. Ions are created by giving electrons to a molecule (producing a negatively charged ion) or taking electrons away from a molecule (producing a positively charged ion).