Open Access
Table 2
Shows instruments and used methods for chemical, physical, and bacteriology tests.
| Test parameter | Equipment or stuff | Standard method | Uncertainty |
|---|---|---|---|
| Bacteriological (Coliform & E. coli) | Colilert method | APHA 9222B (Colifor m) & APHA 9222D, (E. Coli) | Color change |
| pH, electrical conductivity (EC), turbidity, temperature | Thermo pH, EC Meters | EPA150.1 & EPA, 180.1 & Std Method | pH ± 0.02 EC ± 20% |
| Chloride, alkalinity, total hardness & calcium hardness | Titration by digital burette | APHA 2320B | ±5% |
| Sodium & Fluoride | Ion Selective, Electrode. (ISE) | Direct measurement | ±5% |
| SO4 2− & PO4 2− & NO3 − | UV Spectrophotometer DR6000 | EPA method 300.0 | ±5% |
| Relative humidity | Humidity meter, HTC-1 | Direct measurement, RH% | ±5% |
| Solar intensity | Digital light intensity meter, Type MT-4617 | Direct measurement | ±3% |
| Temp. measurement | Digital thermometer, JR-1 | Direct measurement | ±0.1 °C |
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