NS EN 12120 : 2012
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROGEN SULFITE
16-06-2022
12-01-2013
Provides the characteristics of sodium hydrogen sulfite and defines the requirements and the corresponding test methods for sodium hydrogen sulfite.
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