W watt (power – J s-^1 )
WHO World Health Organization
wt% weight per cent
Z atomic number
z charge
|z| charge ignoring sign
Greek symbols
a alpha particle (radiation)
g activity coefficient
g gamma particle (radiation)
d stable isotope notation (Box 7.2)
d- partial negative charge
d+ partial positive charge
t change in sum of residence time
W degree of saturation
Constants
F Faraday constant (6.02¥ 1023 e-)
R gas constant (8.314 J mol-^1 K-^1 )
Symbols and Abbreviations xxi