Another importantcompoundiscalcium chloride, CaCl2, a colourless or white solid produced in large quantities either as a by-product of the manufacture ofsodiumcarbonate by theSolvay processor by the action ofhydrochloric acidon calcium carbonate. The anhydrous solid is used as a drying agent and fo...
Production methodCalcium carbonate calcination first apply calcium carbonate for reaction with hydrochloric acid to generate calcium chloride, followed by addition of ammonia for neutralization, standing for precipitation and filtration, followed by adding sodium bicarbonate for reaction to generate calcium carb...
The sample was prepared by dissolving it in 1N hydrochloric acid, and then filtrating. The amount of peptide contained in pGlu–HAp was calculated by simultaneous thermogravimetry and differential thermal analysis (TG-DTA; Thermo Plus TG 8120, Rigaku Co., Tokyo, Japan). The temperature was ...
hydrochloric acid with calcium carbonate. in the industry it is mainly provided by byproduct of ammonia-soda process: 2nh4cl+ ca(oh)2 = cacl2 + 2nh3 + 2h2o. in industrial production, it can be obtained by the dehydration of calcium sulfate dehydrate. or hydrochloric acid reacts with ...
Then the W1 weight of the soil sample powder is measured and then reacted with the hydrochloric acid standard solution. The reaction process is stirred appropriately. When there are no bubbles in the reaction, the reaction is judged to be over. The reaction soil sample was cleaned with ...
This assay was based on the addition of concentrated hydrochloric acid (HCl) to the magnetic NPs to promote the formation of iron(III) chloride complexes with a strong signal in the UV-Vis range [64]. First, the previously synthesized MLs (following the procedure described in Section 2.3) ...
Molybdate and tungstate as corrosion inhibitors for cold rolling steel in hydrochloric acid solution. Corros. Sci. 2006, 48, 445–459. [Google Scholar] [CrossRef] Zhou, Y.; Zuo, Y. The inhibitive mechanisms of nitrite and molybdate anions on initiation and propagation of pitting corrosion for...
Ethanol (95%), hydrochloric acid, and sodium hydroxide were purchased from Merck (Darmstadt, Germany). Ultrapure water was obtained using a water purification system (Merck, Darmstadt, Germany). 2.2. Preparation of Cryogels Calcium hydroxide solutions were prepared both in the form of limewater, ...