Certified valuesParameter Value Parameter ValueKf of Atrazine (1) . 13 1/n of 2,4-D(1). 0.91/n of Atrazine (1) . 0.9 pH in Water(2) . 4.1Kf of 2,4-D(1) . 18 pH in 0.01M CaCl2 (2) . 3.1Non-certified indicative valuesParameter Value Parameter ValueKf of Li