What are the chemical processes in phosphorus fractions measurement?
What reactions occur when different solutions are added to the sediment? And how does it release phosphorus at different stages of fractionation?
Sequential fractionation procedures are discredited in so far as attribution to chemical species/phases in soils/sediments.
This could be helpful:
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0216881
Do you mean sequential chemical extraction technique? If so, many conditions affect the result (e.g., solids to solution ratio, with or without washing).
Hello Jalali,
Kindly look at this paper
https://edepot.wur.nl/205452
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