Atrazine (CAS No. 1912-24-9, purity >97%) was obtained from
TCI. Na
2
HPO
4
and NaH
2
PO
were used to make the phosphate
buffer solution, with purity >98% and purchased from Scharlau.
Deionized water was used to prepare all media and solutions and
Methanol from Sigma Aldrich (purity > 99.9%) was used to soil
extractions.