idchkg
An Unflattened Identity and Change Knowledge Graph

carbon element

concept · 2 mentions

Element resulting from heating organic matter in absence of air

Other senses of “carbon”

chemical element

Defining properties

Perspectives

Claims grouped by the voice that makes them.

George M. Rolph (author)

  • organic matter in char is converted into carbon ⟨by heating to cherry red in absence of air⟩
    assertsneutralsource: sugar-pg73616
    the organic matter in the char which could not be removed by washing is converted into carbon by being heated to a cherry red in the absence of air
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly supported by the passage. The exact quote provided is taken verbatim from the text, which explicitly states that organic matter in char is converted into carbon through heating to cherry red in the absence of air during the revivification process in kilns.
    • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (third-person narrative account of the process). The stance is appropriately 'asserts' as the passage states this as fact. The sentiment is neutral, matching the technical, descriptive tone of the passage. The time qualifiers are correctly set to null as the passage provides no temporal information. The context accurately specifies the conditions ('by heating to cherry red in absence of air') under which the conversion occurs. The quote is verbatim from the passage and directly supports the claim.
  • organic matter changed into carbon when char heated carbon
    assertsneutralsource: sugar-pg73616
    the organic matter it absorbed from the sugar liquor is changed into carbon
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage: 'the organic matter it absorbed from the sugar liquor is changed into carbon.' This is an exact match to the passage text with no rewording or interpretation required.
    • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage is written in third-person explanatory style without attribution to a named source). The stance of 'asserts' is accurate—the passage states this as fact. The sentiment is neutral, matching the passage's objective, technical tone. The time qualifiers are correctly null since the passage provides no temporal restrictions. The context is appropriately empty as the passage does not restrict the claim to a specific sense or role. The quote is verbatim from the passage and directly supports the claim about organic matter being changed into carbon.