Kit pratique pédagogique MS

Galerie et schémas techniques

Description

Caractéristiques

• Guide pour les étudiants et manuel de démonstration accompagnés de tutoriels
• Détecteur de masse AQUITY à injection direct
• Logiciel de traitement de données avec méthodes pré-remplies
• Kit de produits chimiques

Spécifications techniques

-5

-7

Note

The mass accuracy of the ACQUITY QDa is ±0.2 Da across the mass range. Therefore measured m/z

Peak

m/z Relative Intensity / %

[NOTE

the data must be shown in continuum mode to enable a measurement across the mass spectral peak.]

Carbon

12.011

Oxygen

15.999

Element

Average Mass

Hydrogen

1.008

Nitrogen

14.007

separated

(m/z)/Δ(m/z). High resolution mass spectrometers, including time-of-flight mass spectrometers and

Demonstrator

Refer the students to the supporting videos; “MS Fundamentals: Resolution” and “MS

Fundamentals

Isotopes” for further background.

• Instrumentation

inlet, ion source, ionization techniques, mass analyzer, ion detection, and data acquisition.

• Instrument operation

sample introduction, data acquisition, polarity switching (positive and negative modes), full

R = (m/z)/Δ(m/z), therefore

195.1/~0.7 = ~279

135 136 137 138 139 140 141 142

143 144 145 146 147 148 149 150 151 152 153 154 155

• Interpretation of mass spectra

m/z, monoisotopic mass versus average mass, isotope patterns, adducts,

understanding of the fundamentals of mass spectrometry

the instrumentation and its component parts, instrument