Statements (30)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
analytical chemistry method
|
| gptkbp:alternativeTo |
gptkb:Dumas_method
|
| gptkbp:application |
fertilizer analysis
protein determination in food wastewater analysis |
| gptkbp:developedBy |
gptkb:Johan_Kjeldahl
|
| gptkbp:doesNotMeasure |
nitrate nitrogen
nitrite nitrogen |
| https://www.w3.org/2000/01/rdf-schema#label |
Kjeldahl method
|
| gptkbp:introducedIn |
1883
|
| gptkbp:limitation |
does not measure nitrogen in nitrates or nitrites
|
| gptkbp:measures |
total nitrogen
|
| gptkbp:reactant |
boric acid
sodium hydroxide concentrated sulfuric acid catalyst (usually copper or selenium) indicator (methyl red or bromocresol green) |
| gptkbp:standardizedBy |
gptkb:AOAC_International
|
| gptkbp:step |
titration
distillation digestion |
| gptkbp:type |
inorganic compounds
organic compounds |
| gptkbp:usedFor |
determination of nitrogen content
|
| gptkbp:usedIn |
agriculture
environmental science food analysis |
| gptkbp:bfsParent |
gptkb:Dumas_method
gptkb:ISO_5545 |
| gptkbp:bfsLayer |
6
|