Silver extraction from X-ray film, silver extraction from film, silver extraction from industrial flaw detection film, silver extraction from acid and alkali free waste film: This technology is currently the most environmentally friendly waste film extractionTechnology: non-toxic, pollution-free, time-saving, low cost of chemicals, fast silver extraction, complete recycling, no equipment, only a few spare plastic buckets can be used. Mainly used for: X-ray film, CT film, film, film, film and other silver-plated waste film.
Gold removal powder commonly known as: gold removal powder, gold stripping powder is used to remove aluminum gold plating, resin plate gold plating, copper gold plating, plastic gold plating, iron gold plating and other surface electric gold plating in the recovery of gold special chemicals. Gold withdrawal powder commonly known as: gold removal powder color is yellow, the use of imported chemicals refined synthesis, non-toxic, odorless. Degold powder gold return speed is fast, ordinary gold-plated parts onlytrong> Chip extract how to dissolve aluminum, the copper coil is manually split off, and then the undamaged integrated block on the circuit board is removed with a tin stove for sale. The circuit board is then pulverized, preferably to separate the metal from the non-metal. Put the separated metal in the acid-resistant bucket, pour 9ML dilute nitric acid, dilute nitric acid can be matched by itself, the method is to add concentrated nitric acid to water, the ratio of nitric acid to water is 5 how to dissolve : 2, at this time will produce a violent reaction.
Separation of base metals
Refining gold with nitric acid: Wear protective gear. Always wear a face mask, goggles and industrial gloves. Chemicals and acids are irritating to the skin and can burn through the skin in severe cases. The acid fog from the burning can also burn the eyes and cause nausea if inhaled. Place the circuit board in a glass container. It is best to use Corning's Belle Pyrex glassware, or its chip how gold dissolves he can withstand high temperature glass containers.
Step 1: Place the fingers in a plastic strainer and prepare some hydrochloric acid, a small solution of copper chloride, and a small air bubbler with direct current. Step 2: Put the plastic tube under the filter and put it in the middle position. Step 3: Soak the fingers in a solution of hydrochloric acid and copper. Step 4: Add some more water to make sure all the golden fingers are immersed in the solution.
1, the first step: put these golden fingers in a plastic filter, prepare some hydrochloric acid, a small amount of copper chloride solution, and aThe small root passes through the air bubbler. Step 2: Put the plastic tube under the filter and put it in the middle position. Step 3: Soak the fingers in a solution of hydrochloric acid and copper. Step 4: Add some more water to make sure all the golden fingers are immersed in the solution.
2. The NaCN-H2O system is used in the metal smelting plant to recover gold rare and precious metal from waste electronic components. The gold coating on the waste components is dissolved, and the gold is recovered by iron replacement or sodium sulfite reduction. Acidizing with sulfuric acid and oxidizing with potassium chlorate to regenerate iodine. A new process of electrolytic gold refund has been developed in the Institute of recycling and Utilization of materials. Thiourea and sodium sulfite are used as electricityGold extraction technology. In the e-waste gold extraction industry, it is known for its expertise in technology. Fang's gold extraction has been committed to the research of gold extraction technology for many years, extracting gold from a large number of discarded electronic waste, turning waste into treasure, and regenerating resources.
5, you do this line must be recycled waste electrical circuit board as raw materials, the main gold-containing part of this kind of raw materials is not we can see with the naked eye that bit of gold, the main gold-containing parts are chips, they teach the technology of nine out of ten can not extract the chip. Most of the people who teach technology are liars, but not all of them, if they can teach you the technology to extract the chipIt's not a lie.
6. Gold extraction technology adopts wet total solution or selective dissolution and biological adsorption reduction to recover gold and silver from electronic waste containing trace amounts of gold. It is a relatively complete set of the latest biological extraction technology to recover precious metals such as gold, silver, platinum, palladium, rhodium and other precious metals from electronic waste. The product containing gold (silver) can exceed the national standard gold (silver) standard.
The first step: degold, pour waste materials into the basin, add degold powder, proportionAccording to 1 kg of material or 10 grams of gold powder, then heat the water to start gold removal. Step 2: Filter the impurities, filter the gold water with a filter cloth, pour it into the beaker, then add citric acid, adjust the gold water to make acid, the PH value is about 5.
The Gold refining tutorial is divided into 4 steps: Degold. Replace. Oxidation. Purification. Alchemy. The first step: degold.
Gold refining method: direct fire, melt other impurities except gold; Dissolve with cyanide; anything other than gold will dissolve when it comes into contact with cyanide; To extract gold by soaking it in aqua regia; By heating concentrated nitrateAcid to extract gold; Mix sulfuric acid with hydrogen peroxide and add gold to make gold.
Single flotation method: suitable for processing crude and medium grained natural gold iron ore. The crushed ore is put into the ball mill, ground into pulp, and then into flotation; In the flotation process, sodium carbonate is used as a regulator to make gold float. At the same time, the gold ore powder can be produced by separating the gold ore powder from the slag with butyl xanthate and amine black powder as the supplementary collector. Amalgamation flotation method: suitable for the treatment of natural gold disseminated grain size is coarse, stored in pyrite and other sulfide ores.
Decomposition of waste circuit board, first will the circuit board on the aluminum, copper coil handThe worker breaks it down, and then uses a tin stove to remove the undamaged integrated blocks from the circuit board for sale. The circuit board is then pulverized, preferably to separate the metal from the non-metal. Put the separated metal in the acid-resistant bucket, pour 9ML dilute nitric acid, dilute nitric acid can be matched by itself, the method is to add concentrated nitric acid to water, the ratio of nitric acid to water is 5:2, at this time will produce a violent reaction.
For CMOS type ics, special attention should be paid to prevent electrostatic breakdown IC, it is best not to use ungrounded soldering iron welding. The use of IC should also pay attention to its parameters, such as operating voltage, heat dissipation, etc. Digital ics are used for 5V workVoltage, analog IC operating voltage varies. There are various types of integrated circuits, and their naming has certain rules. It is generally composed of a prefix, a number number, and a suffix.
Put the ON/OFF switch in the ON position, check the 9V battery, if the battery voltage is insufficient, it will be displayed on the display, then the battery needs to be replaced. If the display does not show, follow these steps. (2) The symbol next to the test pen jack indicates that the input voltage or current should not exceed the indicated value, which is to protect the internal line from damage. (3) Before the test. The function switch should be placed in the range you need.