Table #: Study design for the desorption phase.

Parameters

Soil 1

Soil 2

Soil n

Were the soil residues from the adsorption phase used? If not, describe the method for adsorption using a separate adsorption Table

 

 

 

Amount of test material present in the adsorbed state/adsorbed amount (mg a.i./kg soil)

 

concentration 1

 

 

 

concentration 2

 

 

 

concentration n

 

 

 

No. of desorption cycles

 

 

 

Equilibration solution and quantity used per treatment for desorption (eg., 0.01M CaCl2)

 

 

 

Soil:solution ratio

 

 

 

Replications

Controls

 

 

 

Treatments

 

 

 

Desorption equilibration

Time

 

 

 

Temperature (EC)

 

 

 

Darkness

 

 

 

Shaking method

 

 

 

Shaking time

 

 

 

Centrifugation

Speed (rpm or g)

 

 

 

Duration (min)

 

 

 

Method of separation of soil and solution

 

 

 

Second desorption

Indicate if the method is same as the first desorption cycle. Briefly describe the method, if different.

 

 

 

nth desorption

Indicate if the method is same as the first desorption cycle. Briefly describe the method, if different.