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Standards and Norms in water quality for drinking water, sewage waters, industrial waters and rivers.


Water Quality

ISO 6059 Determination of total hardness (calcium and magnesium) - Titrimetric Method with EDTA
ISO 6058 Determination of calcium - Titrimetric Method with EDTA
EN ISO 9963-1 Determination of total alcalinity and composite - Part 1
EN ISO 9963-2 Determination of alcalinity carbonate - Part 2
ISO 9297 Determination of chlorides - Titration with silver nitrate and chromate as indicator (Mohr Méthod)
ISO 7393-1 Determination of free and total chlorine - Part 1: Titrimetric Method with N,N-diethylphenylene-1,4 diamine
ISO 7393-2 Determination of free and total chlorine - Part 2: Colorimetric Method with N,N-diethylphenylene-1,4 diamine
ISO 15705 Determination of COD - Micro Method
ISO 6060 COD Determination
ISO/CD 25814 Dissolved oxygen determination - Electrochemical Method with a D.O. probe
ISO/DIS 7887 Check and colour determination
ISO 7027 Turbidity determination
ISO 10359-1 Determination of fluorides - Part 1: Electrochemical Method with ISE (for drinking or low polluted waters)
ISO 5664 Determination of ammonium - Method by distillation and titrimetry
ISO 10523 pH determination
ISO 27888 Conductivity determination
ISO 11923 Determination of suspended materials by fibre glass filtration

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