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ISO 5306:1983 Fertilizers — Presentation of sampling reports
ISO 7408:1983 Fertilizers — Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide — Titrimetric method
ISO 1750:1981/Add 2:1983 Pesticides and other agrochemicals — Common names — Addendum 2
ISO 6636-3:1983 Fruit and vegetable products — Determination of zinc content — Part 3: Dithizone spectrometric method
ISO 6661:1983 Fresh fruits and vegetables — Arrangement of parallelepipedic packages in land transport vehicles
ISO 6353-2:1983 Reagents for chemical analysis — Part 2: Specifications — First series
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