NS EN 12121 : 2012
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 DISULFITE
Superseded date
28-05-2022
Published date
12-01-2013
Provides the characteristics of sodium disulfite and define the requirements and the corresponding test methods for sodium disulfite.
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