|
Item
|
Index
|
|
KOH
|
90% min.
|
|
K2CO3
|
Max. 0.5%
|
|
CL-
|
Max. 0.005%
|
|
FE
|
Max. 0.0002%
|
|
SO42-
|
Max. 0.002%
|
|
Nitraat of nitriet (als N)
|
Max. 0.0005%
|
|
Na
|
Max. 0.5%
|
|
PO43-
|
Max. 0.002%
|
|
SiO3
|
Max. 0.01%
|
|
Al
|
Max. 0.001%
|
|
CA
|
Max. 0.002%
|
|
Ni
|
Max. 0.0005%
|
|
Zwaar metaal (als PB)
|
Max. 0.001%
|