Product Specifications / Features
Potassium Nitrate (NOP)
is highly soluble in water, liquid ammonia and glycerine, but
insoluble in anhydrous alcohol and diethyl either. It can't
deliquesce in the air. It is mainly applied in compound fertilizer
and foliar spray fertilizer for crop and flower. It is mainly
applied in TV glass, glass refining agent and motor light glass.
Main content 99.4%min
Chlorine as CL 0.02%max
Sulphate as SO4 0.01%max
Absorption of moisture 0.3%max
Potassium nitrate has a wide variety of uses, largely as a source
Potassium nitrate is mainly used in fertilizers, as a source of
nitrogen and potassium-two of the macro nutrients for plants. When
itself, it has an NPK rating of 13-0-44.
Potassium nitrate is an efficient oxidizer, producing a
lilac-colored flame upon burning due to the presence of potassium.
It is one of the three
components of black powder, along with powdered charcoal
(substantially carbon) and sulfur, both of which act as fuels in
this composition. As such it is used in black powder rocket motors,
but also in combination with other fuels like sugars in "rocket
candy". It is also used in fireworks such as smoke bombs, made with
a mixture of sucrose and potassium nitrate. It is also added to
pre-rolled cigarettes to maintain an even burn of the tobacco and
is used to ensure complete combustion of paper cartridges for cap
and ball revolvers.
In the process of food preservation, potassium nitrate has been a
common ingredient of salted meat since the Middle Ages, but its use
has been mostly discontinued due to inconsistent results compared
to more modern nitrate and nitrite compounds. Even so, saltpetre is
still used in some food applications, such as charcuterie and the
brine used to make corned beef. Sodium nitrate (and nitrite) have
mostly supplanted potassium nitrate's culinary usage, as they are
more reliable in preventing bacterial infection than saltpetre.
Potassium nitrate is the main solid particle component of condensed
aerosol fire suppression systems, but when burned, and interacting
with the free radicals of a fire's flame, it produces potassium
Tree stump removal
Potassium nitrate is the main component (usually about 98%) of tree
stump remover, as it accelerates the natural decomposition of the
supplying nitrogen for the fungi attacking the wood of the stump.
Heat treatment of metals
Potassium nitrate is commonly used in the heat treatment of metals
as a solvent in the post-wash. The oxidizing, water solubility and
low cost make it an ideal short-term rust inhibitor.
Storage for solar energy
Sodium and potassium nitrate salts are stored in molten state with
the solar energy collected.
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