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JJF 1531-2015 English PDF

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JJF 1531-2015: Calibration specification for fourier transform mass spectrometers
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Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJF 1531-2015	English	419	Add to Cart	4 days [Need to translate]	Calibration specification for fourier transform mass spectrometers	Valid	JJF 1531-2015

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Basic data

Standard ID	JJF 1531-2015 (JJF1531-2015)
Description (Translated English)	Calibration specification for fourier transform mass spectrometers
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A61
Classification of International Standard	17.02
Word Count Estimation	18,175
Date of Issue	2015-06-15
Date of Implementation	2015-09-15
Quoted Standard	GB/T 6041-2002
Regulation (derived from)	AQSIQ Announcement 2015 No.72
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine
Summary	This Standard applies to the Fourier transform mass spectrometer calibration.

JJF 1531-2015: Calibration specification for fourier transform mass spectrometers

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(Fourier transform mass spectrometer calibration specification) People's Republic of China National Metrology Technical Specifications Fourier transform mass spectrometer calibration specification Issued on. 2015-06-15 2015-09-15 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Fourier transform mass spectrometer calibration specification TransformMassSp ectrometers NFP. National Technical Committee biometric Main drafting unit. Institute of Materia Medica Chinese Academy of Medical Sciences Participated in the drafting unit. China Institute of Metrology This specification entrusted to the National Technical Committee is responsible for interpreting biometric The main drafters of this specification. ZHANG Jin-lan (Institute of Materia Medica Chinese Academy of Medical Sciences) Wucai Sheng (Institute of Materia Medica Chinese Academy of Medical Sciences) Drafters participate. Wu Liqing (China Institute of Metrology) Qu Feng (Institute of Materia Medica Chinese Academy of Medical Sciences)

Introduction (Ⅱ) 1 Scope (1) 2. References (1) 3 terminology and units of measurement (1) 3.1 The term (1) 3.2 units of measurement (1) 4 Overview (1) 4.1 Basic Principle (1) 4.2-instrument (2) 5 Metrological characteristics (2) Calibration Condition 6 (2) 6.1 environmental conditions (2) 6.2 Standard materials and reagents (2) 7 calibration items and calibration methods (3) 7.1 Indication error (3) SNR 7.2 (3) 7.3 resolving power (3) 7.4 Repeatability (4) Drift 7.5 (4) 8 calibration results expression (4) 9 Recalibration interval (5) Appendix A preparation and use of reference material solution (6) Appendix B Calibration record format (7) Appendix C calibration certificate page format (10) Uncertainty Evaluation of Indication Error Examples Appendix D (11)

Introduction

This specification based on the national measurement specifications JJF 1071-2010 "national measurement standards to prepare rules" JJF 1001-2011 "common measurement terms and definitions" JJF 1059.1-2012 "Evaluation and Expression of Uncertainty in Measurement" prepared by. Development of this specification primarily with reference to GB/T 6041-2002 "General mass spectrometry method" and other documents. This specification is the first release. Fourier transform mass spectrometer calibration specification

1 Scope

This standard applies to the Fourier transform mass spectrometer calibration. 2. References This specification references the following documents. GB/T 6041-2002 General Mass Spectrometry For dated references, only the dated edition applies to this specification; undated reference documents Member, the latest edition (including any amendments) applies to this specification.

3 terminology and units of measurement

3.1 Terms 3.1.1 Sensitivity sensitivity [GB/T 6041-20022.2] Under specified conditions, the response to the value of a mass peak, the instrument unit generated by the sample. 3.1.2 The ability to distinguish resolution In a given sample conditions, instrument two adjacent mass peaks discriminatory power. Two adjacent high-mass spectrometry When the peak, the peak is not more than 10% of the peak height, it is defined as can be distinguished. Note. The ability to distinguish two peaks of representation when R peak at 10% peak height, the quality of the two peaks represented by the average value of quality The ratio of the amount of the difference. When describing the use of mass spectral peak mass to charge ratio, listed in the corresponding resolution of the data is appropriate, because Different instruments, while its resolving power varies with different mass to charge ratio. 3.1.3 SNR signaltonoiseratio [GB/T 6041-20022.9] In mass spectrometry, the signal strength and noise intensity ratio. 3.2 units of measurement Atomic mass units (u) atomicmassunit [JJF 1164-20063.6]

4 Overview

4.1 Fundamentals Fourier transform mass spectrometer according to different mass analyzers are divided into two categories. Fourier transform ion cyclotron resonance mass spectrometry Fourier transform instrument and Orbitrap mass spectrometer. Fourier transform ion cyclotron resonance mass spectrometer is a core component in a high magnetic field of the ion cyclotron resonance trap (ICRiontrap) --- analysis room, which can capture and store ions in a high magnetic field. The basic principle is to leave Ion source produces an ion beam is introduced ICR ion trap under the action of magnetic force, all the ions are beginning along well Center to do a small radius of cyclotron motion. If the magnetic field strength B is fixed, and only the cyclotron frequency of the ion mass to charge ratio have And independent of the customs and ion kinetic energy. When the frequency of the high frequency signal is applied and the frequency of a mass to charge ratio of ions in a cyclotron motion When delivered, the ions will absorb the energy of a high-frequency electrical signals, the cyclotron radius of motion increases. When stopping the high-frequency excitation

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