|
Samenstellen
|
Vlok/parel/massief 96%
|
Vlok/parel/massief 98%
|
Vlok/parel/massief 99%
|
|
NaOH
|
96% min.
|
98% min.
|
99% min.
|
|
Na2CO3
|
Max. 1%
|
Max. 0.5%
|
Max. 0.4%
|
|
NaCl
|
Max. 2%
|
Max. 0.03%
|
Max. 0.015%
|
|
Fe2O3
|
Max. 0.01%
|
Max. 0.005%
|
Max. 0.001%
|