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Some of the next articles are maybe not open access.

What is humic acid?

Journal of Chemical Education, 1963
openaire   +1 more source

PAHs and Humic acids

2006
GIANGUZZA, Antonio   +2 more
openaire   +1 more source
humic substances
adsorption
6. clean water
3. good health
soil
hydrogen-ion concentration
15. life on land
humans
molecular weight
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