The method for preparing the EDTA disodium salt uses the cheap raw materials, has simple production procedure and reduces the production cost by over 10 percent.
并且,本发明的方法原料价格便宜,生产工序短,降低生产成本10%以上。
The medicinal compound is a 2,6-diisopropyl phenol methylal phosphate disodium salt hydrate the molecular structure of which comprises 1-10 crystal water.
该药用化合物为分子结构中含有1-10个结晶水的2,6-二异丙基苯酚甲缩醛磷酸酯二钠盐水合物。
The producing process and condition preparing - EDTA calcium disodium salt by the application of shell, calcium hydroxide and EDTA are studied emphatically at the same time.
本文着重研究了以天然贝壳、氢氧化钙和EDTA为原料来制备该产品的生产流程和工艺条件。