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Metalafgivelse til drikkevand, DEL 2
Appendix H
1 Chemical Analysis of Metal content in Water Samples
12h stagnation
Operation period: May 1999 - March 2003
Water works: Astrup, V. Gjesing, Birkerød, Regnemark
| No. | Test pieces |
| 1 and 2 |
Stainless steel pipes, 15/13 mm, AISI 316 (Fe 70%, Cr 17%, Ni 11%, Mo 2%) |
| 3 and 4 | Stainless steel pipes, 15/13 mm with pressure fittings of stainless steel, AISI 316 |
| 5 and 6 | Stainless steel pipe, 15/13 mm AISI 316 with pressure fittings of tin-coated copper and tin-coated gunmetal (Cu
82%, Sn 2,8%, Pb 3%, Zn 9%, Ni 2,7%) |
| 7 and 8 | Galvanised steel pipes, ½", with 0,9% Pb in Zn-coating |
| 9 and 10 | Galvanised steel pipes, ½", with 0,3% Pb in Zn-coating |
| 11 and
12: | Galvanised steel pipes, ½", with 0,4% Pb in Zn-coating |
| 13 and
14 | Brass, valve casings and fittings, ½", respectively Cu 61%, Zn 37%, Pb 2% and Cu 60%, Zn 37%, Pb 3%. |
| 15 and
16 | Brass, manifolds with plugs, 3/4", respectively Cu 63%, Zn 35%, Pb 1,3% and Cu 61%, Zn 36%, Pb 2%. |
| 17 and
18 |
Dezincification resistant brass, valve casings and fittings, ½",
Cu 64%, Zn 34%, Pb 2%, As 0,09%. |
| 19 and
20 | Nickel-chromium plated brass, ball valve, 3/4", with nickel plated ball |
| 21 and
22 | Nickel-chromium plated brass, mixing tap, 2-grips |
| 23 and
24 | Nickel-chromium plated brass, mixing tap, 1-grip |
Tables with analysis results of
Zinc, Zn
Copper, Cu
Lead, Pb
Cadmium, Cd
Nickel, Ni
Arsenic, As
Klik her for at se tabeller
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Version 1.0 December 2004, © Miljøstyrelsen.
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