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Sediment Extraction Step Fraction Label Tool

Preserve an explicit sediment extraction step and operational fraction label without assigning chemical speciation.

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Description

Record the operational extraction step associated with a sediment fraction.

Geochemical results depend on analyte, matrix, dry/anhydrous basis, reference composition, isotope-ratio direction and censoring conventions. A normalized ratio or local correction is distinct from a validated mineral formula or geological interpretation. Operational extraction fractions and nominal site occupancies need their original analytical context.

Record the operational extraction step associated with a sediment fraction.

When to use this tool

Use Sediment Extraction Step Fraction Label when checking the stated geochemical reporting basis, local correction or reference convention.

How to use the tool and how it works

  1. Enter sampleId, extractionStepId, suppliedFractionName. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read token. Use the output convention below.

Require nonempty sample ID, extraction-step ID and supplied fraction name. Encode the ordered triple as JSON text.1

Input fieldMeaning and unitsAccepted input
sampleIdSample IdRequired. Text; minimum UTF-16 length 1; maximum UTF-16 length 8192.
extractionStepIdExtraction Step IdRequired. Text; minimum UTF-16 length 1; maximum UTF-16 length 8192.
suppliedFractionNameSupplied Fraction NameRequired. Text; minimum UTF-16 length 1; maximum UTF-16 length 8192.
Output fieldInterpretationReturned shape
tokenJSON-encoded ordered tuple or literal token under the convention above; not a database lookup or authentication result.Required. Text; maximum UTF-16 length 8192.
json
{
  "input": {
    "sampleId": "S17",
    "extractionStepId": "step 2",
    "suppliedFractionName": "operational fraction B"
  },
  "output": {
    "token": "[\"S17\",\"step 2\",\"operational fraction B\"]"
  }
}

Limitations and assumptions

  • The fraction is operationally labeled rather than a verified mineral phase; no extraction, speciation or recovery assessment occurs.
  • Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.

Alternative or Complementary methods

Use verified analytical methods, reference materials and appropriate complete geochemical models with qualified laboratory interpretation for actual results and safe handling.

References

  1. Calculation and input contract: geochemistry/sediment-extraction-step-fraction-label — tool.io

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