Regulations/Norms
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 |