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VOL. 8, ISSUE 1 (2023)
Study some physical, chemical and biological parameters of the waters of the Tigris river after its confluence with the Great Zab River- Nineveh - Iraq
Authors
Salman K A Sabawi, Abdulmoneim M A Kannah
Abstract
The current study was
conducted to evaluate the Tigris River water and to ensure its suitability for
drinking and irrigation. The physical, chemical, and biological properties of
the waters of the Tigris River after its confluence with the Great Zab River
were studied. The studied samples were collected for a period of seven months,
monthly from July 2022 to January 2023. for the purpose of study some
parameters as Temperature, electrical conductivity EC, total dissolved solids
(TDS), turbidity, pH, dissolved oxygen (DO), biological oxygen demand (BOD5),
total alkalinity, total hardness (TH), Calcium, Magnesium, Chloride, Sulfate,
Phosphate, Nitrate, Silica, Sodium, Potassium, and Heavy Metal measured, the
total number of bacteria (TPC), the total number of coliform bacteria, and the
number of plankton. The results of the study showed that many samples conformed
to the Iraqi and international specifications for drinking water, except for
turbidity, which exceeded the allowable limit in most samples, which is less
than 5 Nephelometric Turbidity Unit (NTU), was (9.03-24.84) NTU, as well as the
number of bacteria, is high and appeared in all samples throughout the study
period (4000-120000) cell/ml. And total Coliform (30-1300) cell/ml, Plankton
(101154-650278) cell/l, as for the dissolved oxygen, it was 4.4 mg/L in the
month of August. The biological oxygen demand was 0.4 mg/L in October and the
highest value was 4.4 mg/L in November. And nitrates were in low concentrations
ranging between (8 - 39) mg/L. Heavy metals were in very low concentrations.
Al-Kalinity was (108-284) mg/l, Phosphates was (0.124-0.469)mg/l, Sulphates was
(20.29-95.71) mg/l, Silica (0.182-.195) mg/l, Na (67-131) mg/l, K (2.3-6.2),
and Heavy metals were in very low concentrations.
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Pages:43-49
How to cite this article:
Salman K A Sabawi, Abdulmoneim M A Kannah "Study some physical, chemical and biological parameters of the waters of the Tigris river after its confluence with the Great Zab River- Nineveh - Iraq". International Journal of Biology Research, Vol 8, Issue 1, 2023, Pages 43-49
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