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11 results about "Sodium trimetaphosphate" patented technology

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Sodium trimetaphosphate (also STMP), with formula Na₃P₃O₉, is a metaphosphate of sodium. It has the empirical formula NaPO₃. It is the sodium salt of trimetaphosphoric acid. It is a colourless solid that finds specialised applications in food and construction industries. STMP is prepared by heating sodium polyphosphate at a few hundred degrees.