A 3 g sample of air dried soil is shaken with 30 mL of 1 MKCl for 30 min. and then centrifuged. The supernatant is analyzed for aluminum by ICP-OES.
(See Method References No. 33 & 21)
A 3 g sample of air dried soil is shaken with 30 mL of 1 MKCl for 30 min. and then centrifuged. The supernatant is analyzed for aluminum by ICP-OES.
(See Method References No. 33 & 21)