Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
pH indicator
|
| gptkbp:alternativeTo |
gptkb:litmus_paper
|
| gptkbp:application |
laboratory testing
educational purposes |
| gptkbp:color |
green in neutral solution
purple in strong base red in strong acid |
| gptkbp:colorChart |
used to interpret pH value
|
| gptkbp:composition |
mixture of several indicators
|
| gptkbp:detects |
alkalinity
acidity |
| gptkbp:developedBy |
gptkb:Yamada_Koji
|
| gptkbp:form |
gptkb:government_agency
paper strip |
| https://www.w3.org/2000/01/rdf-schema#label |
Universal Indicator
|
| gptkbp:notRecommendedFor |
very strong acids
very strong bases |
| gptkbp:pH |
4 to 11
|
| gptkbp:solubility |
water-soluble
|
| gptkbp:usedFor |
measuring pH
|
| gptkbp:bfsParent |
gptkb:Aphex_Twin
gptkb:Richard_D._James |
| gptkbp:bfsLayer |
6
|