Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
scientific scale
|
| gptkbp:acidic_below |
7
|
| gptkbp:acidic_solution_example |
lemon juice
|
| gptkbp:alkaline_above |
7
|
| gptkbp:alkaline_solution_example |
bleach
|
| gptkbp:hasUnit |
gptkb:pH_unit
|
| gptkbp:high_pH_indicates |
low concentration of hydrogen ions
|
| https://www.w3.org/2000/01/rdf-schema#label |
pH scale
|
| gptkbp:introduced |
1909
|
| gptkbp:inventedBy |
gptkb:Søren_Peder_Lauritz_Sørensen
|
| gptkbp:logarithmic_scale |
true
|
| gptkbp:low_pH_indicates |
high concentration of hydrogen ions
|
| gptkbp:measures |
alkalinity
acidity |
| gptkbp:neutral_point |
7
|
| gptkbp:neutral_solution_example |
pure water
|
| gptkbp:range |
0 to 14
|
| gptkbp:used_in |
biology
chemistry environmental science |
| gptkbp:bfsParent |
gptkb:Acids_and_Bases
gptkb:Acid_Rain |
| gptkbp:bfsLayer |
6
|