| Alternative title | SKIM-1 : Matériau de référence certifié de lait écrémé en poudre pour les métaux à l’état de trace et les minéraux |
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| DOI | Resolve DOI: https://doi.org/10.4224/crm.2020.skim-1 |
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| Author | Search for: Grinberg, Patricia1ORCID identifier: https://orcid.org/0000-0002-1167-6474; Search for: Nadeau, Kenny1ORCID identifier: https://orcid.org/0009-0001-7710-5009; Search for: Brophy, Christine1; Search for: Mihai, Ovidiu1; Search for: Yang, Lu1ORCID identifier: https://orcid.org/0000-0002-4351-2503; Search for: Bizzi, Cezar A.2; Search for: Flores, Erico M.M.2; Search for: Meija, Juris1ORCID identifier: https://orcid.org/0000-0002-3349-5535; Search for: Mester, Zoltan1ORCID identifier: https://orcid.org/0000-0002-2377-2615 |
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| Affiliation | - National Research Council Canada
- Universidade Federal de Santa Maria, Santa Maria, Brazil
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| Format | 3D, Material |
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| Material type | Matrix material |
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| Subject | Canadian reference material; SKIM-1; trace metals; minerals |
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| Abstract | SKIM-1 is a skim milk powder Certified Reference Material (CRM) characterized for trace metals and minerals. This material was prepared at the National Research Council of Canada (NRC) from food grade skim milk powder. A unit of SKIM-1 consists of 12 trilaminate stick packs, each containing approximately 2.5 g of skim milk powder. This material is intended for the calibration, method validation, and to aid analytical method development of trace metals and minerals in milk powder or similar matrices. |
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| Analytes | View analytes| Analyte | Quantity | Value | Expanded uncertainty | Unit | Type |
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| arsenic | mass fraction | 0.0020 | 0.0012 | mg/kg | certified | | cadmium | mass fraction | 0.0019 | 0.0004 | mg/kg | certified | | iron | mass fraction | 2.46 | 0.34 | mg/kg | certified | | mercury | mass fraction | 0.0018 | 0.0012 | mg/kg | certified | | lead | mass fraction | 0.0014 | 0.0006 | mg/kg | certified | | selenium | mass fraction | 0.356 | 0.018 | mg/kg | certified | | strontium | mass fraction | 2.75 | 0.24 | mg/kg | certified | | zinc | mass fraction | 45.3 | 3.4 | mg/kg | certified | | bromine | mass fraction | 16.2 | 2.8 | mg/kg | reference | | calcium | mass fraction | 12180 | 2000 | mg/kg | reference | | chlorine | mass fraction | 10710 | 720 | mg/kg | reference | | iodine | mass fraction | 2.22 | 0.14 | mg/kg | reference | | magnesium | mass fraction | 1240 | 200 | mg/kg | reference | | potassium | mass fraction | 18700 | 2900 | mg/kg | reference | | sodium | mass fraction | 4300 | 560 | mg/kg | reference |
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| Period of validity | - Valid from 2020-03-01 until 2030-12-31
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| Publication date | 2020-05-01 |
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| Publisher | National Research Council Canada |
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| Copyright statement | - © 2020 National Research Council of Canada
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| References | View items (4)- ‘Evaluation of Measurement Data — Guide to the Expression of Uncertainty in Measurement’, 2008. https://doi.org/10.59161/jcgm100-2008e.
- DerSimonian, Rebecca, and Nan Laird. ‘Meta-Analysis in Clinical Trials’. Controlled Clinical Trials 7, no. 3 (September 1986): 177–88. https://doi.org/10.1016/0197-2456(86)90046-2.
- Thompson, Michael, and Stephen L. R. Ellison. ‘Dark Uncertainty’. Accreditation and Quality Assurance 16, no. 10 (12 July 2011): 483–87. https://doi.org/10.1007/s00769-011-0803-0.
- Possolo, Antonio, and Blaza Toman. ‘Assessment of Measurement Uncertainty via Observation Equations’. Metrologia 44, no. 6 (7 November 2007): 464–75. https://doi.org/10.1088/0026-1394/44/6/005.
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| Export citation | Export as RIS |
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| Collection | Canadian Reference Materials and Methods |
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| Record identifier | cd569bb7-a0ef-4ac0-8962-1ea3cb70a8c4 |
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| Record created | 2021-02-24 |
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| Record modified | 2025-12-20 |
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