Water quality. Physical, chemical and biochemical methods. Determination of phenol index: 4-aminoantipyrine (4-aminophenazone) spectrometric methods after distillation.

NEPLATNÁ vydaná dňa 31.12.1984

Water quality. Physical, chemical and biochemical methods. Determination of turbidity.

NEPLATNÁ vydaná dňa 31.12.1984

Water quality. Physical, chemical and biochemical methods. Determination of biochemical oxygen demand after 5 days (BOD₅): dilution and seeding method.

NEPLATNÁ vydaná dňa 31.12.1984

Water quality. Physical, chemical and biochemical methods. Determination of biochemical oxygen demand after 5 days (BOD₅): dilution and seeding methods.

NEPLATNÁ vydaná dňa 31.8.1990

Water quality. Physical, chemical and biochemical methods. Determination of dissolved oxygen: electrochemical probe method.

NEPLATNÁ vydaná dňa 30.9.1986

Water quality. Physical, chemical and biochemical methods. Determination of cadmium: flame atomic absorption spectrometric methods.

NEPLATNÁ vydaná dňa 31.12.1985

Water quality. Physical, chemical and biochemical methods. Examination and determination of colour.

NEPLATNÁ vydaná dňa 31.1.1986

Water quality. Physical, chemical and biochemical methods. Method for the determination of anionic surfactants by the methylene blue spectrometric method.

NEPLATNÁ vydaná dňa 31.7.1986

Water quality. Physical, chemical and biochemical methods. Method for the determination of phosphorus: ammonium molybdate spectrometric method.

NEPLATNÁ vydaná dňa 31.12.1986

Water quality. Physical, chemical and biochemical methods. Method for the determination of permanganate index.

NEPLATNÁ vydaná dňa 31.7.1987