28.6 Humans ................................................................................ 217

28.7 Animals ............................................................................... 219

Chapter 29 Nickel [Ni, 28] .................................................................................. 221

29.1 Introduction ......................................................................... 221

29.2 Soils ..................................................................................... 221

29.3 Waters ..................................................................................224

29.4 Air ........................................................................................ 225

29.5 Plants ................................................................................... 226

29.6 Humans ................................................................................ 227

29.7 Animals ............................................................................... 230

Chapter 30 Niobium [Nb, 41] .............................................................................. 231

30.1 Introduction ......................................................................... 231

30.2 Soils ..................................................................................... 231

30.3 Waters .................................................................................. 232

30.4 Air ........................................................................................ 232

30.5 Plants ................................................................................... 233

30.6 Humans ................................................................................ 233

Chapter 31 Osmium [Os, 76] .............................................................................. 235

31.1 Introduction ......................................................................... 235

31.2 Environment ........................................................................ 235

31.3 Humans ................................................................................ 236

Chapter 32 Palladium [Pd, 46] ............................................................................ 237

32.1 Introduction ......................................................................... 237

32.2 Soils ..................................................................................... 237

32.3 Waters .................................................................................. 238

32.4 Air ........................................................................................ 238

32.5 Plants ................................................................................... 238

32.6 Humans ................................................................................ 239

Chapter 33 Platinum [Pt, 78] .............................................................................. 243

33.1 Introduction ......................................................................... 243

33.2 Soils ..................................................................................... 243

33.3 Waters ..................................................................................244

33.4 Air ........................................................................................ 245

33.5 Plants ................................................................................... 245

33.6 Humans ................................................................................ 245

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Contents