Formed as a sublimate (mixed with ammoniumhydrogencarbonate) when calcium carbonate and ammonium sulfate (or chloride) are heated together.
当碳酸钙与硫酸铵(或氯化铵)一起加热时，生成的升华物(与碳酸氢铵混合)。
2
The paper briefly introduced new preparation technology of the wider application of white carbon black which is made by the material of water glass and ammoniumhydrogencarbonate .
研究了白炭黑新的制备技术，即采用以碳酸氢铵和水玻璃为原料制备白炭黑。
3
Gypsum, ammoniumhydrogencarbonate and potassium chloride were used as raw materials in this research, to produce potassium sulfate, potassium ammonium chloride and calcium carbonate.