1) potassium pentaborate
五硼酸钾
1.
The preparation method of potassium pentaborate (KB5O8) was studied with the replacement reaction between potassium chloride and sodium pentaborate solution.
研究了利用氯化钾晶体和五硼酸钠溶液的复分解反应制备五硼酸钾的方法。
2.
Five methods of producing potassium pentaborate were studied.
实验研究了5种制备五硼酸钾的方法。
2) Potassium pentaborate tetrahydrate
五氧硼酸钾
3) Anhydrous potassium pentaborate crystal
无水五硼酸钾晶体
4) Potassium triborate
三硼酸钾
1.
Potassium triborate was synthesized with potassium carbonate and boric acid by controlling suitable feed mixture ratio,reaction temperature and dehydration temperature in the self-designed boiling reactor.
借助自行设计的沸腾反应器,采用碳酸钾和硼酸通过控制适宜的原料配比、反应温度和脱水温度合成出三硼酸钾。
5) potassium borofluoride
氟硼酸钾
1.
Study on potassium borofluoride production process by waste acid from hydrofluoric acid production;
氢氟酸生产废酸制氟硼酸钾工艺研究
2.
This method adopted sulfuric acid to decompose potassium borofluoride to form potassium sulfate, then sodium tetraphenylborate was added to precipitate potassium ions, and finally the potassium borofluoride content was determined on the basis of the weight of formed potassium tetraphenylborate.
采用硫酸分解氟硼酸钾生成硫酸钾,用四苯硼酸钠沉淀钾离子,根据四苯硼酸钾重量计算氟硼酸钾含量。
6) potassium aluminum borate
硼酸铝钾
补充资料:五硼酸钾
分子式:KB5O8·4H2O
CAS号:
性质:斜方晶系白色结晶。密度1.74g/cm3。微溶于冷水。在室温下稳定。不吸湿。在100℃失去三个结晶水,200℃以上慢慢失去最后一个结晶水。由硼酸和碳酸钾按理论量,在90~95℃进行反应。经过滤,在30℃真空结晶,再经过滤,洗涤,分离得到K2O·5B2O3·8H2O结晶,然后在100~130℃下热风干燥制得。用于显影剂、抗磨润滑添加剂。
CAS号:
性质:斜方晶系白色结晶。密度1.74g/cm3。微溶于冷水。在室温下稳定。不吸湿。在100℃失去三个结晶水,200℃以上慢慢失去最后一个结晶水。由硼酸和碳酸钾按理论量,在90~95℃进行反应。经过滤,在30℃真空结晶,再经过滤,洗涤,分离得到K2O·5B2O3·8H2O结晶,然后在100~130℃下热风干燥制得。用于显影剂、抗磨润滑添加剂。
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参考词条