Microchemical apparatus. Combustion trains for the determination of elements. Specification for rapid method combustion tubes (Belcher and Ingram type).

NEPLATNÁ vydána dne 3.5.1957

Microchemical apparatus. Combustion trains for the determination of elements. Specification for rapid method combustion tubes (Belcher and Ingram type) and absorption tube.

NEPLATNÁ vydána dne 11.5.1965

Microchemical analysis. Apparatus for the determination of elements by other than combustion methods. Specification for nitrogen determination apparatus (micro-Kjeldahl).

NEPLATNÁ vydána dne 27.2.1953

Microchemical analysis. Apparatus for the determination of elements by other than combustion methods. Specification for nitrogen determination apparatus (micro-Kjeldahl).

NEPLATNÁ vydána dne 15.6.1964

Microchemical apparatus. Apparatus for the determination of elements by other than combustion methods.. Specification for nitrogen determination apparatus (non-transference micro-Kjeldahl).

NEPLATNÁ vydána dne 15.6.1964

Alkoxyl and alkylimino group apparatus for the determination of organic groups.

NEPLATNÁ vydána dne 12.2.1954

Microchemical apparatus. Apparatus for the determination of organic groups.. Specification for acetyl group determination apparatus (Wiesenberger).

NEPLATNÁ vydána dne 11.2.1954

Microchemical apparatus. Volumetric analysis. Specification for burettes with pressure-filling device and automatic zero.

NEPLATNÁ vydána dne 13.5.1965

Washout pipettes.

NEPLATNÁ vydána dne 17.10.1950

Microchemical apparatus. Volumetric analysis. Specification for micro-nitrometer (Pregl type).

NEPLATNÁ vydána dne 27.9.1950