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Heavy Metal Index

Testing

Directory

Stub. This section is a planned home for analytical-method, detection-limit, and laboratory-program reference content.

Overview

Stub. This section is a planned home for analytical-method, detection-limit, and laboratory-program reference content. Pages here will support the wiki’s occurrence-data claims by documenting what analytical confidence those numbers actually carry.

Planned topics:

  • ICP-MS — Inductively coupled plasma mass spectrometry — Inductively coupled plasma mass spectrometry, the dominant trace-metal analytical method underlying nearly all post-2000 food-occurrence datasets cited in this wiki.
  • EN 1811 Nickel Release Testing — nickel release from skin-contact articles and piercing post assemblies, reported as µg/cm2/week rather than food ppb.
  • HPLC-ICP-MS arsenic speciation methods (separating iAs from organic As species) — covered as a hyphenated configuration on the ICP-MS page; a dedicated speciation page is planned.
  • AOAC and EPA validated methods commonly cited in regulatory documents.
  • Round-robin and proficiency-testing programs (FAPAS and others) that bound inter-laboratory variability.
  • Field-sampling and homogenization considerations specific to heavy-metal occurrence surveys.
  • Reporting-limit conventions and the treatment of left-censored data in occurrence statistics.

External references this section will draw on:

References

Works cited in this page’s text, in first-appearance order. This is not the full corpus for this page; it is only what the prose above draws on. The complete set of sources is listed under Sources below. Each title links to its source record, which carries the ingest receipt, the extracted values, and the file hash of the document it was built from.

  1. Zinc and Cadmium Compounds (Chapter Seven), in Patty’s Toxicology, Sixth EditionJakubowski M · John Wiley & Sons, Inc · 2012 · doi.org/10.1002/0471435139.tox029.pub2Textbook
  2. Total Diet Study Report: Fiscal Years 2018-2020 Elements DataU.S. Food and Drug Administration · 2022 · www.fda.govGovernment
  3. General Standard for Contaminants and Toxins in Food and Feed (CXS 193-1995)Codex Alimentarius Commission · Codex Alimentarius (Joint FAO/WHO Food Standards Programme) · 1995 · www.fao.orgGovernment

Update history

The five most recent substantive edits to this page, classified major (evidence or structure moved), correction (a published value or statement was wrong and has been fixed), or minor (narrative rewritten without changing the underlying evidence). Each description is derived from what the edit did to this page; the linked commit is the authoritative record, routine regeneration passes are excluded, and the full version history lives in git. When DOI minting comes online (see schema docs), each entry below will also link to a version-pinned DataCite DOI.

CommitDateChangeDescription
a8052bb2026-08-09major3 sources added; contamination-profile values revised; 3 sections added

2 items under this folder.

  • ICP-MS — Inductively coupled plasma mass spectrometry

    Overview Inductively coupled plasma mass spectrometry is the dominant analytical method for trace heavy metal quantification in food, water, biological tissue, and soil matrices, and is the operative measurement underpinning nearly all post-2000 regulatory occurrence datasets cited in this wiki.

    Updated
    • EN 1811 Nickel Release Testing

      Overview EN 1811 is the nickel-release method discussed in LGC 2003 for products intended to come into direct and prolonged contact with the skin.

      NiUpdated