polyphosphoric

常見(jiàn)例句

• Ammonium persulfate and sulfuric acid were used to turn completely the polyphosphoric acid into orthophosphoric radicals, which were then determined by spectrophotometry.
  可用過(guò)硫酸銨和硫酸將多聚磷酸全部轉(zhuǎn)化成正磷酸根，再用分光光度法測(cè)定其質(zhì)量分?jǐn)?shù)。
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