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eLibrary > BS EN 16274:2021 Method for analysis of allergens. Quantification of an extended list of 57 suspected allergens in ready to inject fragrance materials by gas chromatography mass spectrometry >

BS EN 16274:2021 Method for analysis of allergens. Quantification of an extended list of 57 suspected allergens in ready to inject fragrance materials by gas chromatography mass spectrometry, 2021

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BS EN 16274:2021 Method for analysis of allergens. Quantification of an extended list of 57 suspected allergens in ready to inject fragrance materials by gas chromatography mass spectrometry, 2021

undefined
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents [Go to Page]
5.1 Solvents [Go to Page]
5.1.1 Methyl pivalate
5.1.2 Tert-Butyl Methyl Ether (MTBE)
5.2 Reference samples (suspected allergens) [Go to Page]
5.2.1 General
6 Apparatus [Go to Page]
6.1 Gas chromatograph equipped with flame ionization detector (GC-FID)
6.2 Gas chromatograph coupled to a mass spectrometer (GC-MS) [Go to Page]
6.2.1 General
6.2.2 GC-MS system
6.3 Capillary columns for GC
6.4 Analytical balance
7 Stock and sample solutions - preparation and storage [Go to Page]
7.1 General information [Go to Page]
7.1.1 Choice of the solvent
7.1.2 Miscellaneous
7.2 Preparation of stock solutions from reference samples
7.3 Preparation of internal standard solutions and calibration solutions [Go to Page]
7.3.1 General
7.3.2 Stock Solutions of Internal Standards (1g/kg equivalent)
7.3.3 Calibration Solutions Concentrations
7.3.4 Preparation of Calibration solutions
8 Mass spectrometer acquisition conditions [Go to Page]
8.1 Establishment of retention times and SIM chromatograph windows
8.2 SIM Window – Set up and criteria
8.3 GC-MS scan mode verification
9 Sample analysis [Go to Page]
9.1 General
9.2 Sample preparation for analysis
9.3 Sequence [Go to Page]
9.3.1 Blank
9.3.2 Calibration solutions
9.3.3 Check solution
9.3.4 Samples
10 Data validation and treatment [Go to Page]
10.1 General
10.2 Examination of Q values
10.3 Relative intensity of characteristic ions in SIM
10.4 Relative ion intensity using scan data
10.5 Data verification scheme and reporting of final concentration
10.6 GC-MS scan mode verification
10.7 Mass spectrum evaluation in SCAN mode
11 Test report
Annex A (informative)Determination of calibrant and reference sample purity [Go to Page]
A.1 General information
A.2 Full characterization of the volatile constituents [Go to Page]
A.2.1 Identification of the individual constituents of the reference samples by GC-MS
A.2.2 Calculation of predicted RRF (RRFpred)
A.2.3 Calculation of the amount of volatile constituents in the individual reference samples
A.3 Determination of purity (%) from RRF or % FID area
Annex B (informative)GC capillary column parameters
Annex C (informative)SIM Ions for SIM or SIM-SCAN Use
Annex D (informative)Example of SIM windows
Annex E (informative)Example of chromatograms
Annex F (normative)Decisional tree for quantification of suspected allergens
Annex G (informative)Preparation of stock solutions from reference samples [Go to Page]
G.1 General Information
G.2 Reference sample purity
G.3 Stock solutions [Go to Page]
G.3.1 Separated stock solutions of allergens (10 g/kg) [Go to Page]
G.3.1.1 Weighing
G.3.1.2 Preparation
Annex H (informative)Calibration methods and approach [Go to Page]
H.1 Plotting of calibration curve [Go to Page]
H.1.1 General
H.1.2 Peak Skewness and Impact on Calibration
H.1.3 Selection of the internal standard
H.1.4 Selection of the internal standard
Annex I (informative)Quantification of allergens [Go to Page]
I.1 General information
I.2 Determination of C0
I.3 Assessment of the analytical measurement
I.4 Examination of Q values
Annex J (informative)Suspected allergens selected as analytes targets – Rationale
Annex K (informative)Other general information [Go to Page]

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BS EN 16274:2021 Method for analysis of allergens. Quantification of an extended list of 57 suspected allergens in ready to inject fragrance materials by gas chromatography mass spectrometry, 2021

To continue with accurate pricing,
please select your company type below: