单词	polyphosphate
释义	polyphosphate /ˌpɒlɪˈfɒsfeɪt / noun Chemistry A salt or ester of an oxyacid with two or more phosphorus atoms in its anion, especially any of a number used chiefly as detergents or food additives.Scale can be controlled chemically using substances such as polyphosphates, phosphonates and various polymers.... When some waters are heated, the raised temperature will reduce the effectiveness of the polyphosphate so that oxidized iron will accumulate in the water heater. Ramsay of Carluke's award-winning Ayrshire bacon has 0% water content, unlike those that are pumped full of polyphosphates to help the bacon retain water.
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