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Food and feed products -- General guidelines for the determination of nitrogen by the Kjeldahl method

Overview ISO 1871:2009 - "Food and feed products - General guidelines for the determination of nitrogen by the Kjeldahl method" provides practical, laboratory-focused guidance for measuring organic n…

Fine ceramics (advanced ceramics, advanced technical ceramics). Methods for chemical analysis of impurities i…

Food and feed products — General guidelines for the determination of nitrogen by the Kjeldahl method

Overview ISO 1871:2009 - "Food and feed products - General guidelines for the determination of nitrogen by the Kjeldahl method" provides practical, laboratory-focused guidance for measuring organic n…

Agricultural food products — General directions for the determination of nitrogen by the Kjeldahl method

Fine ceramics (advanced ceramics, advanced technical ceramics) — Methods for chemical analysis of impurities…

Overview ISO 18719:2025 specifies validated analytical methods for determining trace impurities in refined high‑purity yttrium oxide (Y2O3) powders used as raw material for fine ceramics. The standar…

Paper and board — Conditioning of samples

Paper, board and pulps — Standard atmosphere for conditioning and testing and procedure for monitoring the at…

Food and feed products. General guidelines for determination of nitrogen by Kjeldahl method.

Professional farmer organization. Guidance.

Professional farmer organization — Guidance

Overview ISO 18716:2024 - Professional farmer organization - Guidance provides international guidance on the characteristics and best practices of a professional, commercially oriented farmer organiz…