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  1. www.savemyexams.com › 1/1/3-time-of-flight-mass-spectrometry1.1.3 Time of Flight Mass Spectrometry | AQA A Level Chemistry...

    The time of flight is proportional to the square root of the mass of the ions, showing that the lighter the ion the faster it will pass through and the quicker it will hit the detector. The heavier the ion, the slower it will travel and the longer it will take to hit the detector.

  2. www.agilent.com › library › technicaloverviewsTime-of-Flight Mass Spectrometry - Agilent

    The flight time (t) is determined by the energy (E) to which an ion is acceler-ated, the distance (d) it has to travel, and its mass (strictly speaking its mass-to-charge ratio). There are two well know formulae that apply to time-of-flight analysis. One is the formula for kinetic energy: E = 1/2mv2.

  3. chem.libretexts.org › Bookshelves › Analytical_Chemistry4.4: Time-of-Flight - Chemistry LibreTexts

    v=\sqrt {\frac {2 \mathrm {~V} \times \mathrm {e}} {m / z}} \nonumber. After the ions accelerate, they enter a 1 to 2 meter flight tube. The ions drift through this field free region at the velocity reached during acceleration. At the end of the flight tube they strike a detector.

  4. mmerevise.co.uk › a-level-chemistry-revision › time-of-flight-mass-spectrometryTime of Flight Mass Spectrometry | MME - MME Revise

    Time of Flight Mass Spectrometry is a useful tool in the analysis of chemical samples. In TOF mass spectrometry, particles within a sample are ionised, the mass of the ionised particle is calculated and the element is identified. Time of flight involves 4 different stages: Ionisation – This can be due to electron impact or electrospray ionisation.

  5. chemistnotes.com › analytical_chemistry › time-of-flight-mass-analyzerTime of flight mass analyzer(TOF): Easy working principle,...

    29 sie 2023 · The flight time can be easily calculated by taking the energy at which ions get accelerated, the mass-to-charge ratio, and the distance traveled by the ions and applying them to the above equation. The squared relationship between the mass and the flight time shows that if the observed time of the ion is tripled, the resulting mass is not ...

  6. en.wikipedia.org › wiki › Time-of-flight_mass_spectrometryTime-of-flight mass spectrometry - Wikipedia

    Time-of-flight mass spectrometry ( TOFMS) is a method of mass spectrometry in which an ion 's mass-to-charge ratio is determined by a time of flight measurement. Ions are accelerated by an electric field of known strength. [1] . This acceleration results in an ion having the same kinetic energy as any other ion that has the same charge.

  7. www.omnicalculator.com › physics › time-of-flight-projectile-motionTime of Flight Calculator – Projectile Motion

    6 maj 2024 · You can measure the time of flight in two instances; first, when the object is launched from the ground, i.e., height equals zero. Second when the object is launched from a certain height. Height, h = 0: t = 2 × V₀ × sin(α) / g. h > 0: t = [V₀ × sin(α) + √((V₀ × sin(α))² + 2 × g × h)] / g. where: t – Time of flight;

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