idchkg
An Unflattened Identity and Change Knowledge Graph

bi-chromate of potash chemical

concept · 1 mention

A chemical salt used for analyzing adulterated coffee samples.

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Connections

The concepts, people, and places this entity is most linked to by claims — node size is mention count, colour is type, dashed nodes are other senses of the same word.

bi-chromate of pota…adulterated samples of coffee — 1 shared claimdiluted solutions of pure coffee — 1 shared claimdecoctions of chicory — 1 shared claimadulterated samples…diluted solutions o…decoctions of chico…
Concept

Defining properties

Perspectives

Claims grouped by the voice that makes them.

P. L. Simmonds (author)

  • bi-chromate of potash used_for_analysis_of adulterated samples of coffee at a recent meeting
    assertsneutralsource: pg57340
    Mr. Horsley called attention to the use of bi-chromate of potash, in analysing adulterated samples of coffee.
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage: 'Mr. Horsley called attention to the use of bi-chromate of potash, in analysing adulterated samples of coffee.' No outside knowledge or over-generalisation is required.
    • qualifier_fidelity 0.90 pass — All qualifiers are faithful to the passage except for a minor nuance in the 'viewpoint' field. The passage attributes the statement directly to Mr. Horsley, so the viewpoint should be 'Mr. Horsley' rather than 'author'. All other aspects (stance, sentiment, time, context, and quote) align perfectly with the source material.
  • diluted solutions of pure coffee produces_coloration_with bi-chromate of potash
    assertsneutralsource: pg57340
    this salt produces an intense deep porter-brown coloration,
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage: 'this salt [bi-chromate of potash] produces an intense deep porter-brown coloration' when applied to diluted solutions of pure coffee.
    • qualifier_fidelity 0.90 pass — All qualifiers are faithful to the passage except for a minor nuance in the 'context' field, which is empty but could be specified as 'chemical analysis of coffee adulteration'. The claim accurately reflects the viewpoint (author), stance (asserts), sentiment (neutral), and provides an exact quote supporting the predicate. Time qualifiers are correctly set to null as no specific temporal scope is given beyond the meeting context.
  • decoctions of chicory produces_no_effect_with bi-chromate of potash
    assertsneutralsource: pg57340
    whilst upon decoctions of chicory no effect is produced.
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage: 'whilst upon decoctions of chicory no effect is produced.' This matches the subject, predicate, and object precisely without any rewording or need for external knowledge.
    • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage:

Change over time

at a recent meeting
  • used_for_analysis_of adulterated samples of coffee