Chemical analysis of particulates in ambient air; determination of thallium and its inorganic compounds as part of the dust precipitation by atomic absorption spectrometry.

NEPLATNÁ vydaná dňa 1.11.1988

Determination of suspended particles in ambient air - Measurement of the mass concentration of mercury - Sampling by sorption as amalgam and determination by atomic absorption spectrometry (AAS) with cold vapour technique.

NEPLATNÁ vydaná dňa 1.3.2000

Determination of suspended particulates matter in ambient air - Measurement of the mass concentration of mercury - Sampling by sorption as amalgam and determination by atomic fluorescense spectrometry (AFS) with cold vapour technique.

NEPLATNÁ vydaná dňa 1.7.2002

Chemical analysis of particulate matter; determination of thallium in particulate emissions by atomic absorption spectrometry.

NEPLATNÁ vydaná dňa 1.12.1988

Adjective formations with ...los and ...frei; linguistic expression for absence.

NEPLATNÁ vydaná dňa 1.1.1963

Words ending with -ung; verbal expression for continuing and completed processes.

NEPLATNÁ vydaná dňa 1.3.1964

The hyphen; written symbols in compound words.

NEPLATNÁ vydaná dňa 1.6.1966

Adjective formations with -bar, -haft, -lich and -sam.

NEPLATNÁ vydaná dňa 1.12.1965

Verbs ending with -ieren, -isieren and -fizieren; endings for the germanization of foreign verbs.

NEPLATNÁ vydaná dňa 1.1.1967

Words ending with - er; doer-designations, designation of devices.

NEPLATNÁ vydaná dňa 1.9.1967