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GB491472A
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Improvements in the process of separation, by flotation, of ammonium chloride from its mixtures with alkali metal salts
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GB502158A
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Improved process for the preparation of alkali metal nitrates
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GB478174A
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Improved process for the preparation of potassium nitrate
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US2061128A
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Separation of ammonium salts from their mixtures with other salts
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GB439583A
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Improvements in or relating to the separation of ammonium salts from their mixtures with other salts
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GB432770A
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Improved process of separating ammonium chloride
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