CEN EN 12485 Chemicals used for treatment of water intended for human consumption - Calcium carbonate, high-calcium lime, half-burnt dolomite, magnesium oxide and calcium magnesium carbonate - Test methods
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European Committee for Standardization
Chemicals used for treatment of water intended for human consumption - Calcium carbonate, high-calcium lime, half-burnt dolomite, magnesium oxide and calcium magnesium carbonate - Test methods
N EN 12485
Annotation
This European Standard specifies the methods used for the chemical analyses and the determination of physical properties of calcium carbonate, high-calcium lime, half-burnt dolomite, magnesium oxide and calcium magnesium carbonate used to treat water for human consumption.
This document describes the reference methods and, in certain cases, an alternative method which can be considered to be equivalent. In the case of a dispute, only the reference methods are used.
Any other methods may be used provided they are calibrated, either against the reference methods or against internationally accepted reference materials, in order to demonstrate their equivalence.
NOTE Schematic diagrams of the analyses are given in Annex A (Figures A.1 to A.6).
Автоматический перевод:
Химикаты, используемые для обработки воды, предназначенной для потребления человеком - Карбонат кальция, высокая окись кальция, полусожгли доломит, оксид магния и карбонат магния кальция - Методы испытаний
Этот европейский стандарт определяет методы, используемые для химических анализов, и определение физических свойств карбоната кальция, высокой окиси кальция, полусожгло доломит, оксид магния и карбонат магния кальция раньше лечили воду от потребления человеком.



