Rawee Wan yong (2555) who made the study of adsorption efficiency, color charcoal from wood chopsticks kamman used by chemical stimulation method used sea salt and salt sinthao.
Raweewan Lyon Theatre (2555) studied the adsorption performance of activated carbon produced from wood chopsticks used by chemical activation solution using sea salt and rock salt.
Permanent Wan Yong city little (2555) study of the adsorption efficiency of the color of the activated carbon produced from wood chopsticks used by chemical activation method using the solution of rock salt and sea salt