Works matching AU Josephs, Ralf
Results: 10
Methods for the SI-traceable value assignment of the purity of organic compounds (IUPAC Technical Report).
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- Pure & Applied Chemistry, 2023, v. 95, n. 1, p. 1, doi. 10.1515/pac-2020-0804
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- Article
Structurally related peptide impurity identification and accurate quantification for synthetic oxytocin by liquid chromatography–high-resolution mass spectrometry.
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- Analytical & Bioanalytical Chemistry, 2021, v. 413, n. 7, p. 1861, doi. 10.1007/s00216-021-03154-5
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Determination of molar absorptivity coefficients for major type-B trichothecenes and certification of calibrators for deoxynivalenol and nivalenol.
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- Analytical & Bioanalytical Chemistry, 2007, v. 388, n. 5/6, p. 1215, doi. 10.1007/s00216-007-1369-x
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- Article
Production of a calibrant certified reference material for determination of the estrogenic mycotoxin zearalenone.
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- Analytical & Bioanalytical Chemistry, 2004, v. 378, n. 5, p. 1182, doi. 10.1007/s00216-003-2300-8
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Production of certified reference materials for mycotoxins: IRMM’s view on the assessment of uncertainties.
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- Analytical & Bioanalytical Chemistry, 2004, v. 378, n. 5, p. 1190, doi. 10.1007/s00216-003-2458-0
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- Article
Concept paper on SI value assignment of purity - Model for the classification of peptide/protein purity determinations.
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- Journal of Chemical Metrology, 2017, v. 11, n. 1, p. 1, doi. 10.25135/jcm.1.17.02.030
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- Article
Identification and accurate quantification of structurally related peptide impurities in synthetic human C-peptide by liquid chromatography-high resolution mass spectrometry.
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- Analytical & Bioanalytical Chemistry, 2018, v. 410, n. 20, p. 5059, doi. 10.1007/s00216-018-1155-y
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Impurity determination for hepcidin by liquid chromatography-high resolution and ion mobility mass spectrometry for the value assignment of candidate primary calibrators.
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- Analytical & Bioanalytical Chemistry, 2017, v. 409, n. 10, p. 2559, doi. 10.1007/s00216-017-0202-4
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Normal phase-liquid chromatography-tandem mass spectrometry with atmospheric pressure photoionization for the purity assessment of 17β-estradiol.
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- Analytical & Bioanalytical Chemistry, 2015, v. 407, n. 11, p. 3147, doi. 10.1007/s00216-014-8189-6
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- Article
Implementing a Reference Measurement System for C-Peptide: Successes and Lessons Learned.
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- Clinical Chemistry, 2017, v. 63, n. 9, p. 1447, doi. 10.1373/clinchem.2016.269274
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- Article