The most common heavy metals, their sources and their ...Arsenic is a complex metal, that forms a variety of compounds, either inorganic or organic. Organic Arsenic compounds like Arsenobetaine

ARSENIC AND ARSENIC COMPOUNDS (EHC 224, 2001)1. SUMMARY 1.1 Properties and analytical procedures. Arsenic is a metalloid widely distributed in the earth’s crust and present at an average conc

Lead WikipediaLead is a chemical element that is assigned the symbol Pb (from the Latin plumbum) and the atomic number 82. It is a heavy metal that is denser than most common ...Alarming study:

Molybdenum WikipediaMolybdenum is a chemical element with symbol Mo and atomic number 42. The name is from Neo-Latin molybdaenum, from Ancient Greek Μόλυβδος molybdos, meaning ...The Ch