Formed as a sublimate (mixed with ammonium hydrogen carbonate) 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)。
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 ammonium hydrogen carbonate .
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。
Gypsum, ammonium hydrogen carbonate and potassium chloride were used as raw materials in this research, to produce potassium sulfate, potassium ammonium chloride and calcium carbonate.
以石膏、碳酸氢铵和氯化钾为原料，生产硫酸钾、氯化铵钾和碳酸钙，原料综合利用充分，经济效益好。
Gypsum, ammonium hydrogen carbonate and potassium chloride were used as raw materials in this research, to produce potassium sulfate, potassium ammonium chloride and calcium carbonate.
以石膏、碳酸氢铵和氯化钾为原料，生产硫酸钾、氯化铵钾和碳酸钙，原料综合利用充分，经济效益好。
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