Answers are grounded in this paper and cite their sources.
A micro-pipette for the ultra-mechanical analysis of soils is described. The sources of error in the usual centrifugal methods are discussed and the new method is shown to be simple, accurate and capable of being adopted as a routine method even in the most moderately equipped laboratories. The treatment of the soil with alkaline permanganate to destroy humus does not affect the inorganic soil colloids.
No takes yet. Share an insight, caveat, or question.
PURI et al. (1941) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: