SY/T 5397-2019 in English

VALID

The mass spectra of molecular marker

Issued on:2019-11-04
Implemented on:2020-05-01
File Format:PDF
Delivery:Via email within 10 business days

Price(USD)： $5,000.00
$4,850.00

Standard No:	SY/T 5397-2019
Document status:	VALID
Title in English:	The mass spectra of molecular marker
Title in Chinese:	分子标志物谱图
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 10 business days
Issued on:	2019-11-04
Implemented on:	2020-05-01
Superseding:	SY 5397-1991 Biomarker Spectrogram
Professional Classification:	SY-Oil & Gas
Related Keywords:	regular mass number intervals mass spectra molecular ion peaks molecular marker introduction analysis characteristic peaks aromatic compounds
Related Topics:	molecular Pyrene molecule spectrogram spectrogram Chromatogram + Peak Carbide map spectrum landmark Biomarker Spectrum Chromatogram peak spectral distribution diagram Chromatogram peak+ Statutory Atlas Level 1 Atlas Aspergillus standard map Figure chromatogram with spectrogram Chromatogram Diagram Put the spectrogram Chromatogram peak Biomarker mass spectrometry Molecular marker detection Rotagram Marker Mass Spectrum Spectrogram physical map Organic Atlas molecular marker physical map Molecular marker detection Molecular marker detection Distribution map graphs and spectra Chromatographic marker peak level map Primary Spectrum and Secondary Spectrum some markers neutron standard spectrum Spectrum Spectrum mass spectrometer Broad Spectrum Distribution Map Spectrum Primary Spectrum Secondary Spectrum Molecule Primary Spectrum Secondary Spectrum molecular marker Spectrum Liquid Chromatography Spectrum SY/T 7459-2019 Antispectral Nyquist plot Total ion chromatogram standard chart M2 polarization markers PUC18 plasmid map m1 polarization markers XRD pattern and AAS pattern Chemical logo pictures Mass spectrum animation Oxygen mass spectrum standard spectrum Standard spectrum Electronic standard chart system Mass spectrometry standard spectrum sy/t 6582-2019 qb/t 5397-2019 eta phase standard chart

Introduction

Analysis of the core content of the standard

Technical dimensions	1991 edition	2019 revised edition	Upgrade highlights
Compound coverage	87 categories	112 categories	25 new adamantane/aromatic derivatives
Classification system	Classification by biological source	Topological sorting by number of rings	Acyclic→six-ring progressive structure
Qualitative method	3 confirmation methods	4-level confirmation system	Newly added NIST library reference (level B)

Key technological innovations

Through the advancement of gas chromatography-mass spectrometry, this revision has achieved the following:

Adamantane series: New fragmentation patterns of alkyl mono/di/triadamantanes (m/z 135→535)
Pentacyclic triterpenoids: Secondary fragmentation law of characteristic ion 191 of oleanane
Aromatic compounds: β-fragmentation characteristics of methyl-long-chain alkylbenzenes (m/z 105+)

Typical application cases

Crude oil analysis in the Qaidam Basin

Figures 47-73 in the standard show the mass spectral characteristics of C₁₂-C₃₄ normal alkanes:

The base peaks are all m/z=57 ([C₄H₉]⁺)
Regular mass number intervals appear with increasing carbon number (Δm/z=14)
Branched alkanes are identified by (M-29)⁺ fragments

Implementation Recommendations

Laboratory Operation Specifications

Preferably use the standard sample co-injection method (Level A confirmation)
For complex samples, it is recommended to combine the NIST spectral library (Level B) and literature data (Level C)
Adamantane needs to control ionization energy (70eV±5)

Key points for data interpretation

Steranes focus on monitoring m/z 217/218 fragments
Terpanes focus on m/z 191/177 characteristic peaks
Aromatic compounds need to distinguish between molecular ion peaks and characteristic fragments

More samples: JJG 21-2008 JGJ 94-2008 DL/T 368-2010

Sample only — not a preview of SY/T 5397-2019

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