2 edition of Reactions and Periodic Occurrences at A Platinum Anode in Alkali Sulphide Solutions. found in the catalog.
Reactions and Periodic Occurrences at A Platinum Anode in Alkali Sulphide Solutions.
Canada. Dept. of Energy, Mines and Resources. Mines Branch.
|Series||Canada. Mines Branch. Information circular -- 297|
|Contributions||Gerischer, H., Bartels, K.|
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Reactions between Some Alkali and Platinum Group Metals By h, Jr. and Ch. Raub Forschungsinstitut fur Edelmetalle und Metallchemie, Schwabisch Gmiind, West Germany The present knowledge of reactions between the alkali metals, lithium, sodium, potassium and rubidium with the platinum group metals.
The oxidation of hydrogen sulphide in M sulphuric acid at platinum electrodes, and the behaviour of electrodes coated with hydrogen sulphide oxidation products in M sulphuric acid have been investigated by cyclic voltammetry and potentiostatic electrolysis.
An anodic wave at V is ascribed to the formation of platinum sulphide, and evidence is offered for the Cited by: Reactions of Alkali Metals continued 4 21 linn Scientific nc All Rihts Reserve Questions 1. What is the common name for the family of metals in Group 1 of the periodic table.
Alkali metals 2. Rank the two metals used in this demonstration from most active to least active based on their reactivity with water. Cathodic Protection Applications Using Platinum Anodes By H. Preiser, P.E. Bureau of Ships, U.S. Navy Department, Washington, D.C. The introduction of platinum-clad anode materials has opened up wide possibilities to the designer of cathodic protection systems.
The economic advantages and excellent performance of composite anodes of platinum. Al(OH) 3 (s) + NaOH (aq) → 2 H 2 O (l) + NaAlO 2 (aq) ↓ sodium meta aluminate Sodium carbonate Na 2 CO 3 The most important properties of sodium carbonate.
White powder e asily dissolves in water and its solution has a n alkaline effect.; It is a thermal stable compound, it melts by heat without decomposition.; It reacts with acids forming sodium salt of acid and.
L stainless steel (L SS) was used as anode and cathode for Ga electrowinning from alkaline sulfide solutions. The geometrical area of electrode was 30 cm 2, and electrode distance between cathode and anode was 4 electrodes were firstly polished using and emery paper, and then immersed in 5% sulfuric acid for 10 by: 6.
Electrolysis refers to the decomposition of a substance by an electric current. The electrolysis of sodium and potassium hydroxides, first carried out in by Sir Humphrey Davey, led to the discovery of these two metallic elements and showed that these two hydroxides which had previously been considered un-decomposable and thus elements, were in fact compounds.
Since Δ r G is -ve, at this temperature K, C can be used as a reducing agent for MgO. Question 2. Leaching is a process of concentration of ores. Explain the leaching of alumina from bauxite. [March] Answer: Bauxite ore is treated with aqueous NaOH at K and bar pressure.