Last edited by Kagakasa
Tuesday, July 28, 2020 | History

2 edition of Adsorption on platinum of hydrochloric acid from aqueous solution ... found in the catalog.

Adsorption on platinum of hydrochloric acid from aqueous solution ...

Paul Jackson Hartsuch

# Adsorption on platinum of hydrochloric acid from aqueous solution ...

## by Paul Jackson Hartsuch

Published in Chicago, Ill .
Written in English

Subjects:
• Hydrochloric acid.,
• Platinum.

• Edition Notes

Classifications The Physical Object Statement by Paul Jackson Hartsuch. LC Classifications QC182 .H28 Pagination 1 p. l., 15, 34-82 p. Number of Pages 82 Open Library OL188476M LC Control Number a 45004575 OCLC/WorldCa 11874017

(57) Abstract: Usage: for the composition of aqueous solution for leaching of precious metal, including gold or silver, from its source. The inventive composition contains brainy ion, perbromide ion, molecular bromine at least 2% by weight brunatnego ion and metal ion .   Considering the degree of tolerance for adsorbents to acid and base, the chemical states of cadmium ions in an aqueous solution [i.e., Cd 2+, Cd (OH) +, Cd (OH) 2, and Cd (OH) 3 −], and the actual conditions of environmental water samples, pH values of between 4 and 9 were selected to investigate the adsorption of Cd 2+ by the adsorbents.

Solubility and activity of aluminum chloride in aqueous hydrochloric acid solutions Paperback – January 1, by. Unknown (Author) See all formats and editions Hide other formats and editions. Price New from Used from Paperback, January 1, Author. Unknown. Hydrochloric acid or muriatic acid is a colorless inorganic chemical system with the formula hloric acid has a distinctive pungent smell. It is classified as strongly acidic and can attack the skin over a wide composition range, since the hydrogen chloride completely dissociates in an aqueous solution.. Hydrochloric acid is the simplest chlorine-based acid system containing water.

The removal of pesticide (ethoprophos) from aqueous solution using a natural biosorbent such as chitosan (CH) prepared from a biopolymer waste obtained from marine industry was studied. The Fourier Transform Infrared Spectroscopy (FTIR), Scanning electron microscopy (SEM), and X-ray diffraction spectroscopy (XRD) were used to study the structure of the adsorbent. Thus, an aqueous solution of HCl [designated “HCl(aq)”] is called hydrochloric acid, H 2 S(aq) is called hydrosulfuric acid, and so forth. Acids composed of more than two elements (typically hydrogen and oxygen and some other element) have names based on the name of the other element, followed by the suffix - ic acid or -ous acid.

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### Adsorption on platinum of hydrochloric acid from aqueous solution .. by Paul Jackson Hartsuch Download PDF EPUB FB2

Cation in platinum recovery from aqueous solution are presented. The studies were performed with the commercially available activated carbon, and the results can be easily transferred directly to the industry. The inﬂuence of pH, mixing rate, and amount of activated carbon as well as platinum(IV) initial concentration on the rateCited by: 2.

Fig. Pseudo-first-order adsorption kinetics plot for Pd(II) on resin Diaion WA21J at different temperatures (chloride solution = 60 mL; initial Pd(II) conc.

= ppm; resin = g; rpm; 40 h). - "Adsorption of Pd(II) complexes from chloride solutions obtained by leaching chlorinated spent automotive catalysts on ion exchange resin Diaion WA21J.". The adsorption of heavy metals is significantly affected by the pH of the solution, since it determines adsorbent properties such as surface charge, as well as the adsorbate speciation and degree of ionization in aqueous solutions.

Adsorption studies were performed at various pH values; Figure 8 summarizes the adsorption data at pHCited by: Using cyclic voltammetry (CV), reflectance anisotropy spectroscopy (RAS), and in situ electrochemical scanning tunneling microscopy (EC-STM), we have studied the structure and structural transitions at a Cu() electrode surface in 10 mM HCl solution as a function of the applied electrode potential.

While at potentials lower than − mV vs Ag/AgCl the in situ STM images reveal the. LabChem LC Hydrochloric Acid Solution, N (M), 4 L Volume out of 5 stars 5 Pure Encapsulations - Betaine HCl/Pepsin - Hypoallergenic Dietary Supplement to Support a Healthy Digestive Tract - Capsules.

The recovery and selective extraction of gold and platinum by novel ionic liquids. Separation and Purification Technology, DOI: / Shoichi Katsuta, Junko Tamura.

Extraction of Palladium(II) and Platinum(IV) from Hydrochloric Acid Solutions with Trioctylammonium Nitrate Ionic Liquid without Dilution. The amount of the N-HAp nanopowders used, as adsorbent was g and the solution pH of the initial contaminated solution was adjusted to a value of 5 ± using a M hydrochloric acid (HCl) solution.

Corrosion Inhibition of Aluminum in Hydrochloric Acid Solution The Open Corrosion Journal,Volume 2 Fig. (1). Variations of the inhibition efficiency calculated from weight loss measurements at different concentrations of KIO3 in 2M HCl at 30°C.

Straight lines obtained when plotting C/θ vs. C for the adsorption of the plant additive on the surface of carbon steel in hydrochloric acid at 30 °C is shown in Fig. 2 and the adsorption of thermodynamic parameters were calculated and listed in Table can be seen that, $$\Delta G_{\text{ads}}^{^\circ }$$ become less negative, in other meaning, increase when rising the temperature.

Review of the Application of Ion Exchange Resins for the Recovery of Platinum-Group Metals From Hydrochloric Acid Solutions. Mineral Processing and. In this work, adsorption of rhodamine B (RB) and acid yellow 17 (AY17) was investigated on ordered mesoporous carbon material obtained by soft-templating method with hydrochloric acid (ST-A).

For comparison, the adsorption process on commercial activated carbon CWZ was also carried out. The sorbents were characterized by nitrogen adsorption/desorption isotherms and scanning electron.

@article{osti_, title = {Adsorption of organic acids from dilute aqueous solution onto activated carbon}, author = {Wang, S. W.}, abstractNote = {The radioisotope technique was used to study the removal of organic acid contaminants from dilute aqueous solutions onto activated carbon.

Acetic acid, propionic acid, n-butyric acid, n-hexanoic acid and n-heptanoic acid were studied at 16 hours ago  Figure 5 displays the effect of initial pH on the adsorption capacity of the MB solution. The adsorption capacities of the three types of adsorbents increased fiercely from to mg/g ([email protected]), to mg/g ([email protected]) and to mg/g ([email protected]) when the pH value of the MB solution increased.

Adsorption and Inhibition Effect of Eremomastax polysperma Leaf Extract on Aluminium Corrosion in Acidic Medium. The inhibitory effect of Eremomastax polysperma leaf extract on aluminium corrosion in hydrochloric acid solution was investigated using weight loss and thermometric methods.

In this work, highly porous MIL materials using hydrochloric acid (HCl) or hydrofluoric acid (HF) as a mineralizer were synthesized. The products were characterized with X-ray diffraction, scanning electron microscopy, thermal gravimetric analysis, and N 2 sorption analysis.

The results proved that the mineralizers had an obvious effect on the microstructures and morphologies of MIL A strong corrosive acid that is commonly used as a laboratory reagent.

It is formed by dissolving hydrogen chloride in water. GASTRIC ACID is the | Explore the latest full-text research PDFs. The suspension pH was adjusted by hydrochloric acid or sodium hydroxide solution to obtain a range of –, and then the sample solutions were shaken at rpm for 24 h at 25 °C.

Secondly, the adsorbent (NA11, g) was added to a 50 mL of a 50 mg/L phosphate ion solution. The solvent extraction of Cr(VI) from aqueous acidic solutions by tri-n-butyl phosphate (TBP) in kerosene was investigated. HCl, H2SO4, and H3PO4 were used for the pH adjustment of the aqueous phase.

The results show that the distribution coefficient exhibited a maximum when HCl was used. The distribution coefficient increased with increasing TBP concentration (from ( to ) molL-1) and.

Exchange Resins for the R ecovery of Platinum-Group Metals From Hydrochloric Acid Solutions, Mineral Processing and Extractive Metallurgy R eview: An International Journal, Atomic-absorption spectrophotometry was used to determine trace levels of metal ions in aqueous solution in order to investigate the effect of pH upon their stability, solubility and ease of adsorption during storage.

It was found that of the thirteen metal ions investigated, namely those of. −) and dissolved platinum. Hydrochloric acid ([Cl] = molal) was added to the buffer solution so as to examine the potential effect of chloride on the solubility of platinum in the pH range (6 to 8), at contents similar to those observed in supergene environments.

Solution D was prepared with NaOH.The pH values of the solutions were adjusted using M hydrochloric acid and/or sodium hydroxide aqueous solutions.

The metal concentration in the supernatants was analyzed using the ICP–OES after the adsorbent was removed with the help of a permanent magnet (Nd–Fe–B type, N35 grade).DOI: /polym Corpus ID: Synthesis and Evaluation of 8-Aminoquinoline-Grafted Poly(glycidyl methacrylate) for the Recovery of Pd(II) from Highly Acidic Aqueous Solutions.