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K. Pütz (1976)
Bilanz des Nährstoffeintrages in Talsperren und seine Verringerung mit Hilfe von Sanierungs- und wassergütewirtschaftlichen MaßnahmenActa Hydrochimica Et Hydrobiologica, 4
P.‐M. Theus, U. Ponsold (1983)
Vergleichende Untersuchungen zum Nachweis von Chlor im Trink‐ und Badewasser auf der Basis von o‐Tolidin und Diäthyl‐p‐phenylendiamin (DPD)Acta Hydrochimica Et Hydrobiologica, 11
(1967)
ABC Biologie
I. Brodtrück, H.‐J. Jessen, N. Gottschaldt (1982)
Hygienische Verhältnisse im Saunatauchbecken und Maßnahmen zur Verbesserung der Wasserqualität, 28
U. Bosshardt, R. Eggli, W. Hess (1983)
Wiederaufbereitung von Schwimmbeckenwasser mit biologisch betriebenem Aktivkohlefilter: Resultate von Laborexperimenten, 23
F. W. Brauss, H. Barth (1979)
Harnstoffbestimmung im Schwimmbadwasser, 153
K. Gunkel (1981)
Beitrag zum Einsatz von nitratsensitiven Elektroden in der WasseranalytikActa Hydrochimica Et Hydrobiologica, 9
H. Althaus, E. Sefzig (1973)
Harnstoffbestimmung im Badewasser, 26
(1985)
2. überarbeitete und erweiterte Auflage, I
As investigations carried out in an immersion basin of a sauna, with rinsed‐off sweat and in indoor and outdoor swimming‐baths have shown, from the total of 702 ± 529 mg/urea released per bather there are released 37.06 ± 24.75 mg through the skin into water; hence a urine introduction of 30 … 35 ml per bather resulting. The urea concentration in the bathing water does not show any correlation with the NH+4‐concentration and the COD‐Mn. Although urea‐degrading bacteria are present with concentrations of up to 1 ± 105 colonies/ml, there does not occur any enzymatic decomposition of urea in the bathing water. Nitrification was not detected in the bathing water, either. The use of urea as a hygienic quality criterion for bathing water is not regarded as necessary: the determination of the NH+4‐concentration suffices as an indicator of the pollution with faecal matter and the bound effective chlorine.
Acta hydrochimica et hydrobiologica – Wiley
Published: Jan 1, 1986
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