Parameters and methods used in tap and sea water examination
| Parameter . | Method . |
|---|---|
| Air temperature | Alcohol thermometer with graduation intervals of 0.1 °C |
| Sample temperature | Alcohol thermometer with graduation intervals of 0.1 °C |
| Free chlorine | EN ISO 7393-2:2018 (Water quality – Determination of free and total chlorine – Part 2: Colorimetric method using N,N-diethyl-1,4-phenylenediamine for routine control purposes; quantification limit 0.02 mg Cl2/L) |
| Colour | Standard Methods 23rd Ed. 2017. 2120 C. APHA, AWWA, WEF (2017) (Determination of colour; quantification limit 5 units Pt/Co scale) |
| Turbidity | EN ISO 7027-1:2016 (Water quality – Determination of turbidity; quantification limit 0.10 NTU) |
| pH | EN ISO 10523:2012 (Water quality – Determination of pH) |
| Conductivity | EN 27888:1993 (Water quality – Determination of electrical conductivity; quantification limit 9 μS/cm) |
| KMnO4 consumption | EN ISO 8467:1995 (Water quality – Determination of permanganate index; quantification limit 0.25 mg O2/L) |
| Trihalomethanes | EN ISO 10301:1997 (Water quality – Determination of highly volatile halogenated hydrocarbons – Gas-chromatographic methods; quantification limit Chloroform: 0.75 μg/L, Bromodichloromethane: 0.75 μg/L, Dibromochloromethane: 0.75 μg/L, Bromoform: 0.75 μg/L) |
| Salinity | Standard Methods 23rd Ed. 2017. 2520 B. APHA, AWWA, WEF (2017) (Determination of salinity – conductometry method; range 0–40‰) |
| Parameter . | Method . |
|---|---|
| Air temperature | Alcohol thermometer with graduation intervals of 0.1 °C |
| Sample temperature | Alcohol thermometer with graduation intervals of 0.1 °C |
| Free chlorine | EN ISO 7393-2:2018 (Water quality – Determination of free and total chlorine – Part 2: Colorimetric method using N,N-diethyl-1,4-phenylenediamine for routine control purposes; quantification limit 0.02 mg Cl2/L) |
| Colour | Standard Methods 23rd Ed. 2017. 2120 C. APHA, AWWA, WEF (2017) (Determination of colour; quantification limit 5 units Pt/Co scale) |
| Turbidity | EN ISO 7027-1:2016 (Water quality – Determination of turbidity; quantification limit 0.10 NTU) |
| pH | EN ISO 10523:2012 (Water quality – Determination of pH) |
| Conductivity | EN 27888:1993 (Water quality – Determination of electrical conductivity; quantification limit 9 μS/cm) |
| KMnO4 consumption | EN ISO 8467:1995 (Water quality – Determination of permanganate index; quantification limit 0.25 mg O2/L) |
| Trihalomethanes | EN ISO 10301:1997 (Water quality – Determination of highly volatile halogenated hydrocarbons – Gas-chromatographic methods; quantification limit Chloroform: 0.75 μg/L, Bromodichloromethane: 0.75 μg/L, Dibromochloromethane: 0.75 μg/L, Bromoform: 0.75 μg/L) |
| Salinity | Standard Methods 23rd Ed. 2017. 2520 B. APHA, AWWA, WEF (2017) (Determination of salinity – conductometry method; range 0–40‰) |