1, 2, 4 amino naphthol sulfonic acid for phosphorus estimation
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THE ESTIMATION OF PHOSPHORUS … to cause troublesome precipitates with sulphuric acid and on barium and calcium saltsof phosphoric esters … reducing reagent (0.417 g. 1-amino-2- naphthol-4-sulphonic acid, 5 g. crystalline sodium sulphite and 25 g. sodium bisulphite in …
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