Method for producing silver potassium cyanide
A technology of potassium silver cyanide and potassium cyanide, which is applied in the direction of metal cyanide and compound cyanide, can solve the problems of cumbersome operation, irregular process route, low purity of silver potassium cyanide, etc., and improve the purity and water content Low, increase the effect of detection and filtering
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[0016] The present invention will be further described below in conjunction with specific embodiments.
[0017] A method for producing silver potassium cyanide, it comprises the following steps:
[0018] 1) Put 1KG silver into 1.7KG1:1 dilute nitric acid solution, fully dissolve to obtain silver nitrate solution;
[0019] 2) Heat and ventilate to make the silver ion content in the silver nitrate solution 90g / L;
[0020] 3) Measure the pH value of the silver nitrate solution, add ammonia water at the same time to make the pH value of the silver nitrate solution 5-6, and obtain the silver nitrate neutralization solution;
[0021] 4) Spray the silver nitrate neutralization solution into the solution containing 0.625KG potassium cyanide. After the reaction is completed, release the reaction solution and filter to obtain the silver cyanide precipitate;
[0022] 5) Wash the silver cyanide precipitate with water to remove nitrate, and detect that it does not contain nitrate, and ob...
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