Laboratory equipment 
The technique of titration
Dilution technique
Analytical characters of cations
The gravity filtration
The vacuum (suction) filtration ( with video )
The vacuum (suction) filtration ( images )
Decanting ( with video )
Decanting ( images )
Building a distillation apparatus
Distillation
Preparation of a standard solution by dissolving 
Preparation of a standard solution by diluting
The technique of titration (video)
Reflux heating ( with video )
The synthesis of ethyl acetate
Centrifugation( video )