-
Humic substances account for 50 – 90% of
cation exchange capacity in soils. "
Humic substances" is an
umbrella term
covering humic acid,
fulvic acid and...
- 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...
-
States Geological Survey.
Retrieved 8
December 2024. "What are
humic substances?".
International Humic Substances Society.
Retrieved 8
December 2024....
- 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...
-
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...
- most abundant. Peat
contains substantial organic matter,
where humic acid dominates.
Humic materials can
store substantial amounts of water,
making them...
-
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...
- have
penetrated the
sample since its burial.
Alkali and
acid washes can be used to
remove humic acid and
carbonate contamination, but care has to be taken...
-
February 2025. Pettit,
Robert E. "Organic matter, humus, humate,
humic acid,
fulvic acid and humin:
their importance in soil
fertility and
plant health"...
