Figure 4.

Release profiles of 2,4-D from the interlamellae of ZANDI, the nanohybrid into various aqueous solution systems containing single, binary and ternary anions of chloride, carbonate and phosphate at 0–150 min (a), at 0–1,000 min (b) and at various release times (c), chloride (i), carbonate (ii), phosphate (iii), chloride–carbonate (iv), carbonate–phosphate (v), chloride–phosphate (iv) and chloride–carbonate–phosphate (vii)

Hussein et al. Nanoscale Research Letters 2009 4:1351-1357   doi:10.1007/s11671-009-9404-9