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This standard specifies the determination of the nitrogen content in hard coal with a volatile matter of more than 10 % and in brown coal using the semi-micro Kjeldahl method.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| Cancellation date | |
| Confirmation date | |
| expiration_de_validite | |
| ICS | 75.160.10 : Solid fuels
|
| Number of pages | 3 |
| Replace | DIN 51722-1 (1987-01) |
| Cross references | ISO 333 (1983-09), MOD |
| Year | 1990 |
| Document history | DIN 51722-1 (1990-07) |
| Country | Germany |
| Keyword | DIN 51722;51722 |