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Fertilizers. Spectrophotometric determination of biuret in urea
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Cheeses and processed cheeses. Determination of protein mass fraction by the Kjeldahl method
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Water quality. Detection and enumeration of Escherichia coli and coliform bacteria. Part 1. Membrane filtration method
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Renewable resources. Forest resources. Terms and definitions
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Leather. Determination of ethoxylated alkylphenols. Part 2. Indirect method
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