|
Item
|
Liquid
|
|
NaOH
|
50%
|
|
Na2CO3
|
0.5 % max
|
|
NaCl
|
0.02 % max
|
|
NaClO3
|
0.01 % max.
|
|
Na2SO4
|
0.01 % max.
|
|
Iron
|
10 ppm max.
|
|
Silica
|
20 ppm max
|
