After mercury thermometer broken glass rod. What should I do?

In our daily life, mercury thermometer with a glass rod is more, we often encounter a problem, is accidentally broken thermometer, on mercury grain of how to deal with. Today let's say the problem. Preferred to create a ventilation in time, and then find and collect the scattered mercury. Looking for mercury particles are very small, and scattered on the ground can use flashlights to find when the naked eye is not easy to find. There are many ways to collect mercury and common method has the following two kinds: 1, with tin foil paper, glass, or cardboard to push small particles mercury beads together, make it into a large drop of water silver bead, and then in sealed containers. 2, inhaled mercury beads with a syringe, deposit such as airtight container in the end. Finally, the ground with sulfur powder processing. After collecting the ground of mercury and sulfur powder, further clear the mercury we have may not be collected. To do so mainly because of the sulfur and mercury can react to generate mercuric sulfide solids, then stored in sealed container.