7.1. Dosage de Nitrate (NO 3
-
)……………………………………………...24
7.2. Dosage de Nitrites (NO 2
-
) ……………………………………………..24
7.3. Dosage de l’ammonium (NH 4
+ )……………………………………….24
7.4. Dosage de Phosphate (PO 4
3) ………………………………………….24
7.5. Dosage de silicates (Si(OH) 4 )…………………………………………..25
III - Résultat et discision…………………………………………………………....26
1. Température ……………………………………………………………………….26
2. La conductivité ……………………………………………………………………26
3. Oxygène dissous …………………………………………………………………..28
4. Taux de saturation ………………………………………………………………..29
5. PH …………………………………………………………………………………30
6. Nitrate ……………………………………………………………………………..31
7. Nitrites …………………………………………………………………………….32
8. Ammonium ………………………………………………………………………..33
9. Phosphate …………………………………………………………………………34
10. Silicates ………………………………………………………………………….35
11. Analyse en composants principale(A.C.P)……………………………………….37
Conclusion
Bibliographie.
Annexes.