| S. No. | Test | Specifications | |||
|
|
Description | Clear, colorless and odorless liquid. | |||
| 2. | Acidity orAlkalinity | For acidity: The resulting solution should be no red colour.
For alkalinity: The resulting solution should be no blue colour. |
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| 3. | pH | Between 5.0 to 7.0. | |||
| 4. | Ammonium | Sample solution should not more intensely coloured than standard solution. | |||
| 5. | Calcium & Magnesium | Pure Blue Colour should be produced. | |||
| 6. | Heavy Metals | NMT 0.1ppm | |||
| 7. | Chloride | The appearance of the solution should not change for at least 15 min. | |||
| 8. | Nitrate | NMT 0.2 ppm | |||
| 9. | Sulphate | The appearance of the solution should not change for at least 1hr. | |||
| 10. | Oxidisable Substances | The solution shouldremains faintly pink. | |||
| 11. | Residue On Evaporation | NMT 0.001% | |||
| 12. | Conductivity | NMT 4.7 µS/cm | |||
| 13. | Total Microbial Count:- |
NMT 100 cfu/ml |
|||
| Total Aerobic Bacterial Count | |||||
| Total Fungal Count | Should be Nil. | ||||
|
|
Test for specific pathogens:- |
Should be Absent. |
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| Escherichiacoli | |||||
| Salmonella typhimurium | Should be Absent. | ||||
| Pseudomonas aeruginosa | Should be Absent. | ||||
| Staphylococcus aureus | Should be Absent. |
END OF DOCUMENT
