Normy DIN - Německé národní normy - strana 1649

Investigations of the raw material in hard-coal-mining; determination of the particle-size-distribution > 20 µm by sieve-analysis.

Norma vydaná dňa 1.3.1985

Investigations of raw material in hard-coal-mining - Microscopical examination of hard coal, coke and briquettes - Part 1: Terms, survey of processes and their applications.

Norma vydaná dňa 1.8.1998

Investigations of raw material in hard-coal-mining - Microscopical examination of hard coal, coke and briquettes - Part 2: Preparation of polished surface from lump material and particulate blocks.

Norma vydaná dňa 1.8.1998

Investigations of raw material in hard-coal-mining - Microscopical examination of hard coal, coke and briquettes - Part 3: Maceral analysis on particulated blocks.

Norma vydaná dňa 1.8.1998

Investigations of raw material in hard-coal-mining - Microscopical examination of hard coal, coke and briquettes - Part 4: Microlithotype analysis on particulate blocks.

Norma vydaná dňa 1.12.1998

Investigations of the raw material in hard-coal-mining - Microscopical examinations of hard coal, coke and briquettes - Part 5: Reflectance measurements on vitrinites.

Norma vydaná dňa 1.2.2005

Solid fuels - Determination of contents of trace elements - Part 1: General rules, sampling and sample preparation - Preparation of samples for the analyses (dissolution method).

Norma vydaná dňa 1.7.2014

Solid fuels - Determination of contents of trace elements - Part 2: ICP-OES.

Norma vydaná dňa 1.2.2001

Solid fuels - Determination of trace elements - Part 3: AAS-flame method.

Norma vydaná dňa 1.2.2001

Solid fuels - Determination of contents of trace elements - Part 4: Atomic absorption spectrometry applying the flameless hydride system or the cold-vapour-method.

Norma vydaná dňa 1.2.2001