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Journal of Chemistry
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2017
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Article
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Tab 1
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Research Article
Lignitic Humic Acids as Environmentally-Friendly Adsorbent for Heavy Metals
Table 1
Elemental analysis of lignitic humic acids (normalized on dry ash-free sample).
C
H
N
S
O
42.7% at.
41.8% at.
0.9% at.
0.3% at.
14.3% at.