sulfuric acid
Role of Calcium Content in Dissolution Kinetics of Iranian Borate Minerals in Sulfuric Acid
... 3.2.4 Dissolution Kinetics of Hydroboracite The nature of the rate data and the presence of calcium suggest that diffusion processes can also control the dissolution kinetics of hydroboracite in sulfuric ...
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Life Cycle Assessment of Spent Sulfuric Acid from Lead-acid Traction Battery in Thailand
... spent sulfuric acid management is handled by LAB's manufacturers and authorized waste processor with an appropriated ...spent sulfuric acid was directly discharged to the ...spent ...
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Inhibition of Carbon Steel Corrosion by Iron(III) and Imidazole in Sulfuric Acid
... in sulfuric acid solution [29], in which positively charged centers of the organic molecules are not attached to the same positively charged metal ...
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Investigate the Corrosion Inhibition of Mild Steel in Sulfuric Acid Solution by Thiosemicarbazide
... of different concentrations of thiosemicarbazide. The inhibition efficiency of thiosemicarbazide was studied by electrochemical impedance methods, potentiodynamic polarization and scanning electron microscopy at ...
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Corrosion inhibition of mild steel by ceftriaxone in 1m sulfuric acid medium
... An average value of triplet readings of weight loss measurements of mild steel in 1M sulfuric acid after immersion time of 24 hrs at 28 0 C ±1 0 C were taken with and without different concentrations of ...
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The Role of Packing Media in a Scrubber Performance Removing Sulfuric Acid Mists
... The sulfuric acid removal efficiency of Ceilcote Air Pollution Control Company’s packing towers packed with Tellerette packing material in ...of sulfuric acid using packed towers with ...
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Passivation Behavior of a Zr60Cu20Ni8Al7Hf3Ti2 Bulk Metallic Glass in Sulfuric Acid Solutions
... the increase of acid concentration, which suggests that the corrosion rate and the width of second passivation are sensitive to solution concentration. However, the transpassive potential only changes slightly ...
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Effect of Adipic Acid on DEIS Characteristics during the Aluminium Anodizing Process in Sulfuric Acid Bath
... boric acid was added in the sulfuric acid as a ...boric acid and sulfuric acid. In Europe, a tartaric-sulfuric acid anodizing (TSA) process has been selected to ...
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Reactivity and reusability of mesoporous alumina nanoparticles modified with sulfuric acid and niobic acid in the alkylation of resorcinol
... using sulfuric acid as the precursor. The desired amount of sulfuric acid was then added to toluene before adding the pre-dried MA (200°C for ...
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Inhibitive heteroamic acid behavior against 0 3N sulfuric acid corrosion of carbon steel
... The circular carbon steel sheets of 2.5 cm x 0.02 cm were abraded with a series of emery paper (grade 320-500-800) and then washed with distilled water and acetone. After weighing accurately, the specimens were immersed ...
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Effect of ions on the measurement of sulfuric acid in the CLOUD experiment at CERN
... the sulfuric acid concen- tration (m/z 97, ...apparent sulfuric acid concentration by a factor of ∼ 2 to 3 and was qualita- tively verified by the ion measurements with an atmospheric- ...
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Uranium Leaching by Sulfuric Acid in the Presence of a Catalyst under Laboratory Conditions
... These and other data suggest the complexity of the chemical reactions occurring in situ leaching of uranium ore by sulfuric acid, which causes the need to study the leaching process with regard to specific ...
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Thermodynamics of Extraction of Zn2+ from Sulfuric Acid Media with a Mixture of Dehpa and Mehpa
... The sulfuric acid solution was prepared by diluting analytical grade sulfuric acid from Baran Chemical Company of Iran in distilled ...M sulfuric acid to produce the required ...
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Preparation, Physiochemical and Kinetic Investigations of V2O5/SiO2 Catalyst for the Sulfuric Acid Production
... was added under rigorous mixing for 3 h. Next, the obtained solution was filtered. After these steps, 56 mL of 37% sulfuric acid was added to the filtrate solution. By the way, under constant rate the ...
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Preparation of anion-exchange resins from pine sulfuric acid lignin, one of the acid hydrolysis lignins
... C-NMR of reaction products showed that the main product was com- pound 2, with a hydroxymethyl group at the meta position against the phenolic hydroxyl group. Furthermore, increas- ing the sulfuric acid ...
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A Dialkyldithiophosphate Derivative as Mild Steel Corrosion Inhibitor in Sulfuric Acid Solution
... In the present work, N,N-Diethylammonium O,O'-di(4-chlorophenyl)dithiophosphate (Cl-EPP) acting as a mild steel corrosion inhibitor was synthesized. Potentiodynamic polarization measurements, weight loss measurements and ...
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Kinetics Leaching Study of Uranium from Algerian Phosphate by Sulfuric Acid
... ratio, reaction temperature on the dissolution kinetics of phosphate rock in sulfuric acid solutions have been examined. A mathematical model including the effects of parameters has been established to ...
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Efficiency of Sulfuric Acid on Selective Scandium Leachability from Bauxite Residue
... nitric acid, hydrochloric acid, and sulfuric ...purification. Sulfuric acid is preferred due to its selectivity, lower environmental impact as well as due to its significantly lower ...
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Silica sulfuric acid: Recyclable and efficient catalyst for the 2-aryl benzothiazoles
... silica sulfuric acid was found to be a mild, efficient and reusable solid acid catalyst for the synthesis of 2-arylbenzothiazoles in almost quantitative ...
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Study of carbohydrates with cysteine-sulfuric acid reagents.
... Cysteine hydrochloride was first described by Dische as a colour reagent for the determination of carbohydrates. This reagent has been employed most often as a qualitative test for the identification of sugars. This is a ...
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