Normas ISO

Agricultural food products -- Layout for a standard method of sampling from a lot

ISO 7001:1990/Amd 1:1993

Public information symbols

Carbonaceous materials for the production of aluminium -- Pitch for electrodes -- Determination of density -- Pycnometric method

Carbonaceous materials for the production of aluminium -- Calcined coke -- Determination of apparent oil content -- Heating method

Aluminium ores -- Determination of titanium content -- 4,4'-Diantipyrylmethane spectrophotometric method