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Chemicals used for treatment of water intended for human consumption - Sodium hydroxide
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Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation (ISO 8968-1:2014)
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Milk - Determination of nitrogen content - Part 3: Block-digestion method (Semi-micro rapid routine method) (ISO 8968-3:2004)
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Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)
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Chemicals used for treatment of water intended for human consumption - Sodium carbonate
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Timber structures - Testing of joints made with mechanical fasteners - Requirements for timber density (ISO 8970:2020)
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Liquefied petroleum gases - Calculation method for density and vapour pressure (ISO 8973:1997 + Amd 1:2020) (consolidated version)
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Plastics - Phenolic resins - Determination of residual phenol content by gas chromatography (ISO 8974:2002)
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Plastics - Phenolic resins - Determination of pH (ISO 8975:1989)
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Chemicals used for treatment of water intended for human consumption - Sodium hydrogen carbonate
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