Normas ISO

Fertilizers -- Determination of bulk density (loose) of fine-grained fertilizers

Iron ores -- Determination of arsenic content -- Molybdenum blue spectrophotometric method

Cinematography -- Photoelectric output factor of photographic-type audio-level test films -- Measurement and calibration

Cinematography -- A-chain frequency response for reproduction of 35 mm photographic sound -- Reproduction characteristics

Photography -- Black-and-white aerial camera films -- Determination of ISO speed and average gradient

Water quality -- Methods of biological sampling -- Guidance on handnet sampling of aquatic benthic macro-invertebrates