what is mercury powder
MERCURY MAGNETâ¢ SPILL CLEAN-UP POWDER. MERCURY MAGNET powder is the remedy for the fumes released by spills of mercury metal. Concentrations of mercury vapor greater than 0.1 mg/m3 are prohibited by law. Concentrations of up to 20 mg/m3 can go unoticed for long periods of time, creating a serious health hazard.prinkle the powder over the mercury spill. Wet powder with water to form a paste. Ensure contact by scrubbing with a plastic scouring pad. Reaction is complete when all mercury is solidified and no drops of liquid mercury are observed.