|
Item
|
Index
|
|
KOH
|
90% Min.
|
|
K2CO3
|
0.5% Max.
|
|
Cl-
|
0.005% Max.
|
|
Fe
|
0.0002% Max.
|
|
SO42-
|
0.002% Max.
|
|
Nitrate or Nitrite(As N)
|
0.0005% Max.
|
|
Na
|
0.5% Max.
|
|
PO43-
|
0.002% Max.
|
|
SiO3
|
0.01% Max.
|
|
Al
|
0.001% Max.
|
|
Ca
|
0.002% Max.
|
|
Ni
|
0.0005% Max.
|
|
Heavy Metal (As Pb)
|
0.001% Max.
|