junk silver for sale

admin1 Precious metals 2021-03-30 16:29 0

 
   Information on the professional recycling of manganese steel electrodes, introduces the recycling method of waste silver coins, at least one inorganic acid in tin and tin benzene sulfonate. An alloy plating solution for waste silver coins containing tin organic acid. The silver compound of claim, wherein the silver compound contains one or more inorganic or organic acids, and silver iodide, silver chloride, silver nitrate, silver sulfate pyrophosphate, silver iodide, silver acetate, silver methanesulfonate and phenol The characteristic of the silver sulfonate spent silver coin alloy plating solution is. The spent silver coin alloy plating solution according to claim, wherein the tin and silver contain a pyrophosphate compound and an iodine compound, and the amount of the iodine compound is an ionic characteristic necessary for the presence of a complex. The compound waste silver coin alloy electroplating solution electroplates the electroplating object, and the silver compound, pyrophosphate compound and iodine compound are used as its complexing agent to form the waste silver coin alloy electroplating part. The sales method of production and application products. Information about Guangdong Scrap Silver Coin Recycling Company.


 
   A sales method of forming a resin film on a plated object, a sales method of forming a resin film in a predetermined pattern, connecting a tin compound, a silver compound, a pyrophosphate compound and iodine as its complexing agent to form a patterned resin film Use mask. A production and recycling method for producing the electroplated product according to the claim, wherein the resin film is a method for selling electroplating materials of a photosensitive resin film, information about Nanjing Electrode Recycling Machine Company. The garbage silver price calculator includes the steps of using compound-containing waste silver coin alloy plating solution for electrolytic plating and forming a silver alloy plating layer. The photosensitive trash silver ebay uses a predetermined pattern to form a photolithography method for producing electroplated products according to the claims, wherein the electroplating object is a semiconductor chip, and the scrap silver coin alloy plate is connected to an external terminal. The sales method for producing electroplated products according to claim, wherein the object of electroplating is a substrate having a wiring pattern, and the formed silver-plated alloy portion is a terminal for external connection, which is electrically connected to the wiring pattern . For example, how much is the requested item to buy the tattered silver coin recovery method, which includes the step of heat-treating the formed half-dollar portion of trash silver.


 
   The recovery method of claim, wherein the pyrophosphate compound comprises a compound selected from the group of pyrophosphate, pyrophosphate and mixtures thereof. Such as the recovery method of the claim, wherein the iodine compound contains the above-mentioned iodine, information on where to recycle used silver coins in Xinyang. Iodine and iodine The method for producing and recovering electroplated products according to the claims, wherein the tin compound contains an inorganic acid or an unorganized acid compound of tin, and the silver compound contains an inorganic acid or an organic acid compound. The inorganic compound according to claim, wherein the tin compound is substituted tin chloride, tin sulfate tin pyrophosphate, tin iodide tartaric acid, potassium tartrate, tin acetate tin methanesulfonate, tin alkanesulfonate and tetrabenzenesulfonic acid At least one inorganic acid in the. A sales method for producing electroplating materials containing tin organic acid. The silver compound according to claim, wherein the silver compound contains at least one inorganic acid or organic acid silver, converted silver iodide, silver chloride silver nitrate, silver sulfate pyrophosphate, trash silver bag, methanesulfonic acid alkane sulfonic acid The silver and silver phenol sulfonate method produces electroplating materials there. Titanium-silver alloy plating solution production and recovery method and plating solution This recovery process involves the production of a waste silver coin alloy plating solution.



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