|
 |
Industrial
Grade |
Export
Grade |
Unit |
Fine
Grade |
First
Grade |
Regular
Grade |
Unit |
Industrial
Grade |
Agriculture
Grade |
Purity |
% ≥ |
99.7 |
99.4 |
99.0 |
% ≥ |
99.8 |
97.5 |
Moisture |
% ≤ |
0.10 |
0.10 |
0.30 |
% ≤ |
0.10 |
|
Chloride(as
Cl- ) |
% ≤ |
0.01 |
0.02 |
0.10 |
% ≤ |
0.01-0.03 |
0.80 |
Insoluble
matter
in
water |
% ≤ |
0.01 |
0.02 |
0.05 |
% ≤ |
0.01 |
|
Sulphate(as
SO42- ) |
% ≤ |
0.005 |
0.01 |
|
% ≤ |
0.01 |
|
Hygroscopicity |
% ≤ |
0.25 |
0.30 |
|
% ≤ |
0.25 |
|
Iron(Fe) |
% ≤ |
0.003 |
|
|
% ≤ |
0.003 |
|
K2O |
|
|
|
|
% ≤ |
|
46 |
Nitrogen ( in
nitrate ) |
|
|
|
|
% ≥ |
|
13.5 |
Particle
Size |
0.2-2.5 , 1-3 , 2-5 , 0.2-5 |
MM |
0.2-2.5 , 1-3 , 2-5 , 0.2-5 |
Standard |
GB/T
1918-1998 |
Packing |
Plastic
woven
bag
or
kraft
paper
bag
inner
with
plastic
bag
in
2
0/25/50/500/
1000kg
net. |
Protection |
Operators
should
wear
protective
smock
including
respirator
and
rubber
gloves,
etc.
Be
careful
not
to
inhale
the
powder
of
potassium
nitrate
to
protect
respiration
apparatus. |
Handling
and
Storage |
Store
in
a
cool,
ventilated
and
dry
house,
away
from
moisture,
heat
or
kindling.
Avoid
mixing
with
organic
compound
or
sulphur
or
reducer
during
storage
and
transportation
in
case
of
explosion.
Protect
the
material
from
the
sun
and
rain
during
transportation.
Carefully
load
and
unload
in
case
of
crash. |
Applications |
It
is
mainly
applied
in
TV
kinescope
glass,
glass
refining
agent
and
motor
light
glass;
compound
fertilizer
and
foliar
spray
fertilizer
for
crop
and
flower;
fireworks
to
produce
purple
flame
and
black
powder
in
mine,
ignition
wire
and
firecracker;
drugs
as
penicillian
potassium
salt
in
medicine
industry
and
catalyzer;
ceramic
and
enamel;
salt
bath
of
heat
treatment,
cigarette
paper,
concentrating
agent;
conservatives
in
salted
meat
and
chromogen
in
Food
industry,
etc. |
|
|
|
|
