TY - JOUR
T1 - Effects of pH and organic acids on orthophosphate solubility in an acidic, montmorillonitic soil.
AU - Traina, S. J.
AU - Sposito, G.
AU - Hesterberg, D.
AU - Kafkafi, U.
PY - 1986
Y1 - 1986
N2 - In the absence of added organic acid, the solubility of residual o-phosphate in the soil decreased as the pH value was increased from 4 to 7. With o-phosphate additions that resulted in low aqueous-solution o-phosphate concentrations, the soil sorbed more o-phosphate at pH 7 than at 5.5. The solubility data appeared consistent with the presence of an Al-phosphate solid whose formation was initiated through the hydrolysis of exchangeable Al3+ and subsequent reaction of the hydrolytic product with o-phosphate in aqueous solution. -from Authors
AB - In the absence of added organic acid, the solubility of residual o-phosphate in the soil decreased as the pH value was increased from 4 to 7. With o-phosphate additions that resulted in low aqueous-solution o-phosphate concentrations, the soil sorbed more o-phosphate at pH 7 than at 5.5. The solubility data appeared consistent with the presence of an Al-phosphate solid whose formation was initiated through the hydrolysis of exchangeable Al3+ and subsequent reaction of the hydrolytic product with o-phosphate in aqueous solution. -from Authors
UR - http://www.scopus.com/inward/record.url?scp=0022927967&partnerID=8YFLogxK
U2 - 10.2136/sssaj1986.03615995005000010009x
DO - 10.2136/sssaj1986.03615995005000010009x
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AN - SCOPUS:0022927967
SN - 0361-5995
VL - 50
SP - 45
EP - 52
JO - Soil Science Society of America Journal
JF - Soil Science Society of America Journal
IS - 1
ER -