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Fertilizers. Determination of nitric and ammoniacal nitrogen according to Devarda. Original standard BS EN 15476-2009 in PDF full version. Additional info + preview on request

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Fertilizers. Determination of the water-soluble potassium content. Original standard BS EN 15477-2009 in PDF full version. Additional info + preview on request

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Fertilizers. Determination of total nitrogen in urea. Original standard BS EN 15478-2009 in PDF full version. Additional info + preview on request

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Fertilizers. Spectrophotometric determination of biuret in urea. Original standard BS EN 15479-2009 in PDF full version. Additional info + preview on request

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Flexible sheets for waterproofing. Plastic and rubber sheets for roof waterproofing. Method for exposure to bitumen. Original standard BS EN 1548-2007 in PDF full version. Additional info + preview on request

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Chemicals used for treatment of water intended for human consumption. Sodium permanganate. Original standard BS EN 15482-2012 in PDF full version. Additional info + preview on request

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