we offer KOH of 90% and 95%
|
Product
|
Potassium Hydroxide
|
Appearance
|
White flakes
|
|
Standard
|
HG/T3688 – 2000
|
UN Code
|
1813 CLASS 8 PKG II
|
|
Item
|
Inspection item %
|
Premium Grade
|
First Grade
|
|
01
|
KOH
|
≥ 95
|
≥ 90
|
|
02
|
K 2 CO 3
|
≤ 0.5
|
≤ 0.5
|
|
03
|
Chloride (Cl)
|
≤ 0.005
|
≤ 0.005
|
|
04
|
Fe
|
≤ 0.0005
|
≤ 0.0005
|
|
05
|
Sulfate (SO4)
|
≤ 0.005
|
≤ 0.005
|
|
06
|
Nitrate (N)
|
≤ 0.0005
|
≤ 0.0005
|
|
07
|
Na
|
≤ 0.8
|
≤ 0.8
|
|
08
|
Phosphate (PO4)
|
≤ 0.005
|
≤ 0.005
|
|
09
|
Silicate (SiO3)
|
≤ 0.01
|
≤ 0.01
|
|
10
|
Al
|
≤ 0.002
|
≤ 0.002
|
|
11
|
Ca
|
≤ 0.005
|
≤ 0.005
|
|
12
|
Ni
|
≤ 0.0005
|
≤ 0.0005
|
|
13
|
Heavy metal (as Pb)
|
≤ 0.002
|
≤ 0.002
|