Книга: Abdul Majid and Naila Siddique «Assessment Of Heavy Metals In The Environment Of Lahore Pakistan»

Assessment Of Heavy Metals In The Environment Of Lahore Pakistan

Производитель: "LAP Lambert Academic Publishing"

Heavy metals are not bio-degradable and may accumulate in the body, remaining there for a long time. These heavy metals may have adverse health effects as they may be toxic even at trace levels. In children heavy metals such Pb can reduce brain growth, learning abilities and intelligence. In the present study the concentrations of heavy metals in the environment of Lahore were measured to determine whether they lie within the acceptable limits or not. In order to carry out this purpose, 15 air conditioners filter dust samples from 15 different sites of Lahore were collected Samples were prepared using the Leeds Public Analyst Method.. These samples have been analyzed using instrumental neutron activation analysis (INAA) and flame atomic absorption spectrometry (FAAS). The heavy metals Cd, Cu, Cr, Pb, Ni, Mn and Zn were determined with the help of FAAS while Al, As, Br, Ca, Ce, Co, Cr, Cs, Fe, Hf, Hg, K, La, Lu, Mg, Mn, Na, Nd, Rb, Sb, Sc, Se, Sm, Sn, Sr, Ta, Tb, Ti, U, V, Yb, Zn, and... ISBN:9783659102653

Издательство: "LAP Lambert Academic Publishing" (2012)

ISBN: 9783659102653

См. также в других словарях:

  • environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …   Universalium

  • India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… …   Universalium

  • South Asian arts — Literary, performing, and visual arts of India, Pakistan, Bangladesh, and Sri Lanka. Myths of the popular gods, Vishnu and Shiva, in the Puranas (ancient tales) and the Mahabharata and Ramayana epics, supply material for representational and… …   Universalium

  • Afghanistan — /af gan euh stan /, n. a republic in central Asia, NW of India and E of Iran. 23,738,085; 250,000 sq. mi. (647,500 sq. km). Cap.: Kabul. * * * Afghanistan Introduction Afghanistan Background: Afghanistan s recent history is characterized by war… …   Universalium

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