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Animal feeding stuffs — Determination of phosphorus content — Spectrometric method

Overview ISO 6491:1998 specifies a spectrometric method for the determination of phosphorus content in animal feeding stuffs. The method is intended primarily for feeds with low phosphorus content (b…

Animal feeding stuffs — Determination of total phosphorus content — Spectrophotometric method

Animal feeding stuffs -- Determination of phosphorus content -- Spectrometric method

Overview ISO 6491:1998 specifies a spectrometric method for the determination of phosphorus content in animal feeding stuffs. The method is intended primarily for feeds with low phosphorus content (b…

ISO 649-1:1981

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Laboratory glassware — Density hydrometers for general purposes — Part 1: Specification