from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An immiscible liquid used to extract a substance from another liquid
Sorry, no etymologies found.
Copper chloride as an extractant for estimating the potentially reactive Al pool in acid soils.
It is not readily soluble in absolute alcohol and 95 per cent is not as good an extractant as water.
Thus McCollum has shown that while benzene is of little value as an extractant of this vitamine, if we will first extract the vitamine with alcohol or water and deposit this on dextrin by evaporation it is then possible by shaking the activated dextrin with benzene to cause the vitamine to pass into solution in benzene.
•Fact: Soil test extraction is a complicated dance between the chemistry of the soil and the extractant, in an attempt to mimic the availability of nutrients to the crop over the growing season.