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US3764655A
(en)
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Process for purifying phosphoric acids by neutralization with an alkali metal hydroxide and/or carbonate
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EP2186774B1
(en)
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Process for the production of high purity phosphoric acid
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US4224294A
(en)
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Preparation of sodium orthophosphate mixtures
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US4100261A
(en)
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Production of pure alkali metal phosphate solutions from wet-processed phosphoric acid
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US598182A
(en)
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Heem an-poole |
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RU2183582C1
(ru)
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Способ получения калия фосфорно-кислого двузамещенного
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DE19637415C2
(de)
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Phosphatierungsanlage
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US4210629A
(en)
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Flue gas treatment
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BE1018308A3
(fr)
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Procede pour la production d'acide phosphorique de haute purete.
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DE1058033B
(de)
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Verfahren zur Herstellung von Trinatriumphosphat aus natriumalkalischen, Phosphorsaeure und gegebenenfalls Fluor enthaltenden Natriumaluminatlaugen
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EP0428912A2
(de)
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Verfahren zur Herstellung gereinigter Alkaliphosphatlösung
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DD54677A
(xx)
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