释义 |
potassium pyrophosphate potassium pyrophosphate[pə′tas·ē·əm ‚pī·rō′fäs‚fāt] (inorganic chemistry) K4P2O7·3H2O Water-soluble, colorless crystals; dehydrates below 300°C, melts at 1090°C; used in tin plating, china-clay purification, dyeing, oil-drilling muds, and synthetic rubber production. Also known as normal potassium pyrophosphate; tetrapotassium pyrophosphate. |