update:

EN:

ISO 3188:1978 Starches and derived products -- Determination of nitrogen content by the Kjeldahl method -- Titrimetric method
ISO 3593:1981 Starch -- Determination of ash
ISO 3946:1982 Starches and derived products -- Determination of total phosphorus content -- Spectrophotometric method



still missing:

ISO 1742:1980 Glucose syrups -- Determination of dry matter -- Vacuum oven method


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