1) modified ammonium bicarbonate
改性碳酸氢铵
1.
We use organic-inorganic (minerals) controlled release material to modify ammonium bicarbonate and develop two new controlled release N fertilizers of modified ammonium bicarbonate.
利用有机—无机 (矿物 )控释材料对碳酸氢铵进行改性 ,制成改性碳酸氢铵。
2) ammonium hydrocarbonate
碳酸氢铵
1.
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
2.
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。
3.
Phosphogypsum reacts with ammonium hydrocarbonate at 5-30℃ to obtain ammonium sulfate solution,then the solution reacts with potassium chloride at 30℃ with adding an organic solvent to produce potassium sulfate.
介绍了由磷石膏制硫酸钾的新工艺 :磷石膏与碳酸氢铵在 5 - 30℃下反应 ,得硫酸铵溶液 ,该溶液与氯化钾在 30℃左右反应 ,并添加一种有机溶剂 ,得硫酸钾。
3) Ammonium bicarbonate
碳酸氢铵
1.
Discussion on drying process for ammonium bicarbonate;
碳酸氢铵干燥方法的探讨
2.
Study on preparation of high purity manganese carbonate from manganese sulfate and ammonium bicarbonate;
用硫酸锰和碳酸氢铵制高纯碳酸锰
3.
Nitrification inhibition effect of dicyandiamide on ammonium bicarbonate in red soils with different textures;
双氰胺对不同质地红壤中碳酸氢铵的硝化抑制作用研究
4) ammonium hydrogen carbonate
碳酸氢铵
1.
Investigation on preparation of tribasic lead sulphate from bismuth hydrometallurgy waste residue——the influence of ammonium hydrogen carbonate transformation process;
从铋冶炼浸渣制取三碱式硫酸铅的工艺研究——碳酸氢铵转化工艺的影响
2.
YAlO3 ultra-fine powder synthesized by precipitation,with the ammonium hydrogen carbonate as precipitator,the metal nitrate as reaction material.
以碳酸氢铵为沉淀剂,金属硝酸盐为反应原料,采用化学沉淀法制备了YAlO3(YAP)超微粉体。
3.
It is found that the concentration of nitric acid has great effect on reclaiming rate of lead in the processing of nitric acid leaching-lead deposition after investigating the preparation of tribasic lead sulphate from bismuth waste residue by ammonium hydrogen carbonate transformation method.
通过对铋冶炼浸渣采用碳酸氢铵转化法合成三碱式硫酸铅的工艺研究,得出在硝酸浸出—硫酸沉铅工艺过程中影响铅回收率的主要因素为硝酸质量浓度。
5) NH_4HCO_3
碳酸氢铵
1.
Preparation of CeO_2 as Polishing Powder with NH_4HCO_3 by Precipitation;
碳酸氢铵沉淀法制备CeO_2抛光粉
2.
STUDY ON PREPARING HIGH QUALITY URANIUM CONCENTRATE BY NH_4HCO_3 PRECIPITATION;
描述了以碳酸氢铵为沉淀剂从酸性硝酸铵淋洗合格液中沉淀铀的反应机理,探索了温度、pH值、加料速度、搅拌强度、浆体返回次数对沉淀产品的影响。
6) ammonium hydrogen carbonate
碳酸氢铵[NH4HCO3]
补充资料:碳酸氢铵稳定剂DCD
分子式:
CAS号:
性质:DCD系dicyandiamide的缩 写,化学名称二氰二胺、二聚氰胺、氰基胍或双氰胺。白色结晶。呈菱形、针状、片状或粉状,味微苦。能溶于水、乙醇、丙酮、氨水溶液,在氨水中的溶解度,随氨浓度的增加而增大。在酸性介质中能发生水解;在碱性条件下加热发生分解并释放氨。氰氨基钙(石灰氮)经水解、过滤、加二氧化碳脱钙,再经聚合、冷却、结晶、干燥而得。DCD对碳酸氢铵具有氨稳定作用和抑制硝化作用。加DCD后的碳酸氢铵称为长效碳酸氢铵。
CAS号:
性质:DCD系dicyandiamide的缩 写,化学名称二氰二胺、二聚氰胺、氰基胍或双氰胺。白色结晶。呈菱形、针状、片状或粉状,味微苦。能溶于水、乙醇、丙酮、氨水溶液,在氨水中的溶解度,随氨浓度的增加而增大。在酸性介质中能发生水解;在碱性条件下加热发生分解并释放氨。氰氨基钙(石灰氮)经水解、过滤、加二氧化碳脱钙,再经聚合、冷却、结晶、干燥而得。DCD对碳酸氢铵具有氨稳定作用和抑制硝化作用。加DCD后的碳酸氢铵称为长效碳酸氢铵。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条