What are the cautions in the use of dryers?
Desiccant should not be placed too much so as not to stain the bottom of the crucible
Burning or drying of the crucible and precipitation, in the dryer should not be placed too long, otherwise it will absorb some moisture and make a slight increase in quality.
When you open the dryer, you can not lift the lid, and use the left hand to hold down the dryer, the right hand carefully push the lid slightly, and so cold air slowly into, you can completely push, the lid must be tilted on the table
When moving the dryer, hold it in both hands and press the lid tightly with your thumb
