"Basic Operation of Analytical Chemistry Experiment" audio-visual materials from the basic operation of the weighing scale (about 8 min), titration analysis apparatus with the basic operations (about 30 min), the basic operation of the weight of analysis (approx. 23 min) of three parts, the material

The analytical chemistry laboratory basic operation of the audio-visual teaching materials weighing scales basic operation (about 8 min), by titration analytical instruments and basic operation (about 30 min), the basic operating weight analysis (about 23 min) composed of three parts, the materials

"Analytical chemistry Experiment Elementary operation eo" the audio and video teaching material by the balance weighing elementary operation eo (approximately 8 min), the titrate analysis instrument and the elementary operation eo (30 min, the gravimetric method elementary operation eo (approximatel

Basic analytical chemistry experimental operation law of audiovisual materials from weighing scales basics (about 8 min), titration analysis equipment and basic operations (approximately 30 min) basics, weight analysis method (approx 23 min) three components, compiling the materials of solved the pe

The basics of analytical chemistry experiment of audiovisual teaching materials by weighing scales basics (approximately 8 min), titration analysis instruments and basic operation (about 30 min), weight analysis basic operation (approx 23 min) consists of three parts, the textbook solves in experime