Calcium-disodium EDTA and DMSA are only approved for the removal of lead by the Food and Drug Administration while DMPS and TTFD are not approved by the FDA. These drugs bind to heavy metals in the body and prevent them from binding to other agents.
The kilogram is the SI unit of mass and it the almost universally used standard mass unit. The associated SI unit of force and weight is the Newton, with 1 kilogram weighing 9.8 Newtons under standard conditions on the Earth's surface.
MEASUREMENT OF PHYSICAL QUANTITIES USING APPROPRIATE INSTRUMENTS. Mass is a measure of how heavy something is i.e., it is the amount of matter present in it. It can Be determined in the laboratory by using analytical or electrical balances as shown in Figs.2.1, 2.2 and 2.3. â¢ Mass is measured in grams (g), kilograms (kg) and tonnes.