Voyager DP-263-S Podręcznik Użytkownika Strona 333

  • Pobierz
  • Dodaj do moich podręczników
  • Drukuj
Przeglądanie stron 332
Obtaining Good Spectra in Delayed Extraction Mode
Voyager
Biospectrometry
Workstation User’s Guide 6-21
6
Figure 6-6 Example of Poor Mass Spectrum for Myoglobin Using Sinapinic Acid
Figure 6-7 Example of Good Mass Spectrum for Myoglobin Using Sinapinic Acid
High laser power causing the following:
noise
Mass is fairly
accurate
Dimer
Poor separation
between molecular
ion and matrix
adduct ion
Signal near
saturation
point
Baseline
Lower laser power producing:
Minimal
noise
Good separation
between molecular
ion and matrix
adduct ion
Resolved
to over 1,000
resolution
Dimer
minimized
Correct intensity ratio
between singly-charged ion
[M+H]
+
and double-charged
ion [M+2H]
2+
Przeglądanie stron 332
1 2 ... 328 329 330 331 332 333 334 335 336 337 338 ... 611 612

Komentarze do niniejszej Instrukcji

Brak uwag