Character of Sodium carbonate white powder crystal; When it dissolves in water, the liquid will have alkalinity, and emit heat; Sodium carbonate and acid react to salt.
性状白色粉状结晶；易溶于水，水溶液显碱性，并放出热量，易潮解；与酸发生反应生成盐。
Examples are sodium carbonate and potassium acid phthalate which are used to standardize acid and base solutions.
例如碳酸钠和邻苯二酸氢钾，分别用来标定酸和碱溶液。
Using sodium carbonate and calcium oxide as cheap acid-capturer, perfume furfuryl butyrate was synthesized from furfuryl alcohol and butyryl chloride, and was characterized by GC and IR.
由丁酰氯和糠醇反应，以廉价的氧化钙和碳酸钠为复合束酸剂，合成了香料丁酸糠醇酯，并用IR、GC等进行了表征。
The reaction processes of preparing sodium diacetate from acetic acid and sodium carbonate are studied.
本文对乙酸—纯碱法制备双乙酸钠反应过程进行了研究。
Content of the project: utilize CO2 resource, to set up production lines of methyl carbonate, granular dry ice powder, salicylic acid, sodium carbonate and ethylene urea etc.
项目内容：利用二氧化碳资源，新建碳酸二甲酯、粒干冰粉、杨酸、质氧化鲜、酸钠、撑脲生产线。
A solidification matrix includes a straight chain saturated carboxylic acid salt, sodium carbonate, and water.
凝固基体包括直链饱和羧酸盐、碳酸钠和水。
The invention relates to a novel process of joint production of sodium carbonate and hydrochloric acid (or hydrogen chloride), belonging to the field of basic chemical industry.
本发明是一种纯碱和盐酸(或氯化氢)联合生产的新工艺，属基础化工领域。
The leached out residue is reduced by sodium carbonate, then the gdd-silver alloy is decomposed by nitric acid, and finally zinc powder is used to replace silver.
浸出渣用碳酸钠还原，再用硝酸分解金银合金，然后用锌粉置换银。
The leached out residue is reduced by sodium carbonate, then the gdd-silver alloy is decomposed by nitric acid, and finally zinc powder is used to replace silver.
浸出渣用碳酸钠还原，再用硝酸分解金银合金，然后用锌粉置换银。
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