This standard gives hygienic safety requirements as well as monitoring and inspection methods of chemicals used in drinking water treatment.
This standard is applicable to chemicals used in drinking water treatment for coagulation, flocculation, sanitization, oxidization, pH regulation, softening, algae removal, defluorination and fluorination
2 Normative References
The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. At time of publication, the editions indicated were valid. All the standards will be revised; all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of the following standards are applicable.
GB/T 17218-1998 The following standards are cited：
