diphosphoric acid

• 焦磷酸

diphosphoric acid的用法和样例：

例句

1. It loses water and converts to pyrophosphate and metaphosphoric acid when being high-temperature heated.
   经高温加热便失水生成焦磷酸和偏磷酸，长时间受冷即生成结晶，有腐蚀性，易吸湿，密封保存。