UNE - Spanish national standards

Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °C

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Fertilizers - Extraction of soluble phosphorus according to Petermann at ambient temperature

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Fertilizers - Extraction of phosphorus soluble in Joulie´s alcaline ammonium citrate

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Fertilizers - Determination of the fineness of grinding of soft natural phosphates

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Fertilizers - Extraction of total sulfur present in various forms

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Fertilizers - Extraction of water soluble sulfur where the sulfur is in various forms

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Hygrothermal performance of buildings - Calculation and presentation of climatic data - Part 4: Hourly data for assessing the annual energy use for heating and cooling (ISO 15927-4:2005) (Endorsed by AENOR in August of 2006.)

Available languages: English

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Services offered by hearing aid professionals

Available languages: English, Spanish

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Plastics - Recommendation for terminology and characterisation of biopolymers and bioplastics

Available languages: English, Spanish

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Sludge, treated biowaste, soil and waste - Calculation of dry matter fraction after determination of dry residue or water content (Endorsed by AENOR in October of 2012.)

Available languages: English

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