NIST Tandem Mass Spectral Library (2023 Release)

NIST Tandem Mass Spectral Library 2023 Release 51,501 Compounds, 60% More than 2020 400 K Precursor Ions – 2.4 M Spectra Fragmentation Methods 49,590 HRAM (High Res Accurate Mass) Compounds 50,071 QTOF, HCD, IT-HRAM, QqQ Compounds 49,561 Ion Trap Compounds…

NIST/EPA/NIH EI-MS LIBRARY 2023 Release 40K N EW NIST M EASURED /EVALUATED COMPOUNDS 394K Electron Ionization (EI) Spectra 492K Retention Index (RI) Values • 347,100 Compounds, 46,954 Replicate Spectra c • 40 K More Compounds than NIST 20 • 153K…

NIST/EPA/NIH EI-MS LIBRARY 2023 Release 40K N EW NIST M EASURED /EVALUATED COMPOUNDS 394K Electron Ionization (EI) Spectra 492K Retention Index (RI) Values • 347,100 Compounds, 46,954 Replicate Spectra c • 40 K More Compounds than NIST 20 • 153K…

LCMS Unknown Identifications Using MSMS Libraries Part III: More Detailed Discussion of MSMS Hybrid Search 12/27/2020 James Little [email protected] https://littlemsandsailing.wordpress.com/ Kingsport, TN Retired* Research Fellow, Eastman Chem. Co. 42 years experience unknown identification Now Consultant, MS Interpretation Services Specialties1 EI…