Reaction rateHydrogen gas generation from water in the temperature range of 10–60 °C using iron and carbon dioxide was studied. During the reaction, carbon dioxide consumption and hydrogen generation were obse
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In the carbonate ion fuel cell, carbon dioxide is needed to form the ion (equivalent to the provision of water in the hydroxide ion fuel cell), which is a specific feature of this type of fuel cell. The internal reforming reaction of carbonate ion exchange fuel cells for methane is (1....
This material has excellent water solubility and can form a very stable colloidal solution in water, with good stability. This means that in medical applications, mPEG NPC can effectively carry and protect genes or drugs, ensuring their stable transport in the body. In addition, mPEG NPC also h...
[HCO3−]. A combined equilibrium constantK1/K2is defined for the combined reaction (Eq.2). The open system is calculated under an assumption of water in full equilibrium with the atmosphere or at a constantpCO2condition withpCO2 = 395 μatm, TA = 2280 μmol kg−1, ...
sedimentary dolomite and that formed by the reaction of CaCO3and Mg-silicates in the igneous oceanic crust dissolve. Finally, the very low solubility magnesite, formed in the igneous oceanic crust and mantle, is most probably carried to subarc depths, as previously suggested39. The very high so...
calcium phosphate, calcium lactate, calcium aspartate and calcium gluconate. Calcium carbonate is the most common and least expensive calcium supplement. It can be difficult to digest and may cause gas in some people because of the reaction of stomach HCl with the carbonate and the subsequent produ...
Metathesis method. Reaction equation: BaCl2 + NH4HCO3 + NH4OH → BaCO3 ↓ + 2NH4Cl + H2O Operational method: At 30℃, 23.6L containing ammonium bicarbonate 56.1g /L aqueous solution and 1.36L ammonia is mixed in 50L kettle and then at 50℃, within 2h dropping 21.6L 200.3g/L barium chlor...
and other fields due to its good water solubility and biocompatibility. In the process of synthesizing mPEG NPC, we used high-purity mPEG and NPC as raw materials, and successfully prepared high molecular weight, high purity, and high activity mPEG NPC by precisely controlling reaction conditions ...
The method of titrimetric analysis of dissolublecarbonatein water glass has been established. 建立了水玻璃中可溶性碳酸盐的滴定分析法. 期刊摘选 Zn basic zinccarbonateor zinc oxide from the residues of zinc plating process. 研究了以含锌废渣为原料,制备锌产品的工艺条件. ...