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DIN 38405-4:1985-07
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DIN 38405-4:1985-07
German standard methods for the examination of water, waste water and sludge; anions (group D); determination of fluoride (D 4)More info
The standard describes two chemical methods for the determination of dissolved fluoride in potable water, surface water and waste water. The first method works direct with the fluoride-ion-selective-electrode and is mainly used for potable- and surface-waters withfluoride-concentrations from 0,2 up to 2000 mg/l. The second method works with a digestion by sodium hydroxide and a following separation of fluoride by steam destillation. Afterwards the fluoride is to determine in the destillate by the fluoride-ion-selective-electrode. The method is suitable for high loaded waste water with fluoride-concentration higher than 0,2 mg/l.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| Cancellation date | |
| Confirmation date | |
| expiration_de_validite | |
| ICS | 13.060.50 : Examination of water for chemical substances
|
| Number of pages | 16 |
| Replace | DIN 38405-4 (1984-04) |
| Cross references | BVL L 59.11-18 (1986-11), IDT |
| Set | Analysenverfahren Ergänzungsband 1-1999,Analysenverfahren in der Abwasserverordnung-1999,Einheitsverfahren Wasser-1993,Handbuch der Bodenuntersuchung-2000,DIN-TAB 230-1991 |
| Year | 1980 |
| Document history | DIN 38405-4 (1985-07) |
| Country | Germany |
| Keyword | DIN 38405;38405 |