-
Humic substances account for 50 – 90% of
cation exchange capacity in soils. "
Humic substances" is an
umbrella term
covering humic acid,
fulvic acid and...
-
States Geological Survey.
Retrieved 14
March 2016. "What are
Humic Substances?".
International Humic Substances Society.
Retrieved 19
February 2018....
- Pot****ium
humate is the pot****ium salt of
humic acid. It is
manufactured commercially by
alkaline extraction of
brown coal (lignite)
leonardite and is...
- lignite, ****ociated with near-surface mining. It is a rich
source of
humic acid (up to 90%) and is used as a soil conditioner, as a
stabilizer for ion-exchange...
-
manufacture and
distribution of
humic acid organic liquid compound fertilizer in 27
provinces in China.
Humic acid is an
essential natural,
organic ingredient...
-
common contaminants are
humic acid,
which can be
removed with an
alkali wash, and carbonates,
which can be
removed with an
acid.
These treatments can damage...
-
considerable quantity of
humic acid.
Leonardite is an
oxidized form of lignite,
which also
contains high
levels of
humic acid. Jet is a hardened, gem-like...
- chapters. The
International Humic Substances Society maintains a
collection of
standard and
reference samples of
humic and
fulvic acids extracted and fractionated...
- (18
April 2020). "Photocatalytic
Reduction of Cr(VI) in the
Presence of
Humic Acid Using Immobilized Ce–ZrO2
under Visible Light". Nanomaterials. 10 (4):...
-
Humic substances are
classified into
three genera based on
their solubility in
acids and alkalis, and also
according to
their stability:
Fulvic acid is...