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- The new technology for the preparation of cryolite from fluosilicic acid and ammonium hydrocarbonate is introduced. 介绍了氟硅酸、碳酸氢铵制备冰晶石的新工艺。
- First,brine is reacted with ammonium hydrocarbonate to obtain the sodium hydrocarbonate and the ammonium chloride solution,and then filtrated. 卤水制备纯碱分两步进行,第一步用卤水、碳酸氢铵反应得到碳酸氢钠微溶析出和氯化铵溶液,过滤。
- Ammonium hydrocarbonate is reacted with fluosilic acid,a nd obtained the silicon dioxide precipitation and the ammonium fluoride solution. 碳酸氢铵与氟硅酸反应,生成二氧化硅沉淀和氟化铵溶液;
- The conditions and the selection of the optimization process that rare earths are extracted by the ammonium hydrocarbonate precipitation are studied. 研究用碳酸氢铵沉淀法分离稀土的各种条件和最优工艺的选择。
- Keywords fluosilicic acid;cryolite;ammonium hydrocarbonate; 氟硅酸;冰晶石;碳酸氢铵;
- Keywords brine;ammonium hydrocarbonate;dynamics;research; 卤水;碳酸氢铵;动力学;研究;
- Keywords fluorosilicic acid;ammonium hydrocarbonate;dynamics;research; 氟硅酸;碳酸氢铵;动力学;研究;
- Preparation of cryolite with high molecule ratio from fluosilicic acid and ammonium hydrocarbonate 由氟硅酸、碳酸氢铵制备高分子比冰晶石
- Study of Experiments on Preparation of Sodium Fluoroaluminate by Two-Step System with Ammonium Hydrocarbonate 碳铵两步法制取氟铝酸钠的试验研究
- Keywords Silicofluoric acid;Ammonium hydrocarbonate;Preparation;High - purity silica;Process; 氟硅酸;碳酸氢铵;制备;高纯二氧化硅;工艺;
- Keywords phosphogypsum;potassium sulfate;preparation;new process;ammonium hydrocarbonate;potassium chloride;comprehensive utilization; 磷石膏;硫酸钾;制备;新工艺;碳酸氢铵;氯化铵;综合利用;
- A highly explosive mixture of ammonium nitrate and trinitrotoluene. 阿马托炸药一种由硝酸铵和三硝基甲苯组成的烈性混合炸药
- ammonium hydrocarbonate 碳酸氢铵
- It is compatible with ammonium compounds. 它可与氨化合物混用。
- Manufacturing sales : Yean, ammonium bicarbonate. 制造销售：液氨、碳酸氢铵。
- Impregnation with ammonia or an ammonium compound. 氨化作用用氨或氨化物浸渗
- The petroleum hydrocarbon is called hexane. 己烷是一种石油碳氢化合物。
- Ammonium Fatty Alcohol Polyoyetylene Ether Sulfate? 醇醚硫酸?
- The hydrocarbon must be an alkene. 这个碳氢化合物必定是烯烃。
- The trick was using the ammonium salt TMAH. 它的窍门是使用铵盐氢氧化四甲铵（TMAH）。
