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Milk and milk products. Determination of nitrogen content - Kjeldahl principle and crude protein calculation. Original standard BS EN ISO 8968-1-2014 in PDF full version. Additional info + preview on request

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Milk. Determination of nitrogen content - Block-digestion method (Macro method). Original standard BS EN ISO 8968-2-2002 in PDF full version. Additional info + preview on request

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Milk. Determination of nitrogen content - Block-digestion method (Semi-micro rapid routine method). Original standard BS EN ISO 8968-3-2007 in PDF full version. Additional info + preview on request

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Milk and milk products. Determination of nitrogen content - Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method). Original standard BS EN ISO 8968-4-2016 (2017) in PDF full version. Additional info + preview on request

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Milk. Determination of nitrogen content - Determination of protein-nitrogen content. Original standard BS EN ISO 8968-5-2002 in PDF full version. Additional info + preview on request

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Timber structures. Testing of joints made with mechanical fasteners. Requirements for timber density. Original standard BS EN ISO 8970-2020 in PDF full version. Additional info + preview on request

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