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The Generation of Emissions in Plating Process and Controls Method Plating operations generate mists due to the evolution of hydrogen and oxygen gas. The gases are formed in the process tanks on the surface of the submerged part or on anodes or cathodes. As these gas bubbles rise to the surface, they escape into the air and may carry considerable liquid with them in the form of a fine mist. The rate of gassing is a function of the chemical or electrochemical activity in the tank and increases with the amount of work in the tank, th

Application of Rhodium Electroplating Rhodium plating traditionally has been used as decorative plating in jewelry and silverware. However, the use of rhodium plating for electronics and other industrial applications has been increasing in recent years. For decorative plating, rhodium baths contain 1.3 to 2.0 g/L of rhodium phosphate or rhodium sulfate concentrate and 25 to 80 ml/L of phosphoric or sulfuric acid. Current densities typically range from 20 to 100 A/m2. For industrial and electronic applications, rhodium plating

 The Solutions Used for Palladium and Platinum Electroplating Palladium plating solutions are categorized as ammoniacal, chelated, or acid. Ammoniacal palladium plating baths contain palladium ammonium nitrate or palladium ammonium chloride, and current densities range from 1 to 25 A/m2. Palladium acid plating baths contain palladium chloride, and current densities range from 1 to 10 A/m2. Palladium alloys readily with other metals, the most important of which is nickel. Palladium nickel electroplating baths contain 3 g/L o

What Kinds of Plating Baths are Used in Gold Electroplating? Gold and gold alloy plating is used in a wide variety of applications. Gold plating solutions can be classified into five general groups: alkaline gold cyanide, for gold and gold alloy plating; neutral cyanide gold, for high purity gold plating; acid gold cyanide, for bright hard gold and gold alloy plating; noncyanide (generally sulfite), for gold and gold plating; and miscellaneous. Alkaline gold cyanide plating baths contain potassium gold cyanide and potassium cyanide