<p id="x5rdd"></p>

<video id="x5rdd"><p id="x5rdd"></p></video>
<output id="x5rdd"></output>

<video id="x5rdd"></video><p id="x5rdd"><delect id="x5rdd"></delect></p>
<p id="x5rdd"><delect id="x5rdd"></delect></p>

<video id="x5rdd"></video>

<p id="x5rdd"></p>

<video id="x5rdd"></video>
<video id="x5rdd"><output id="x5rdd"></output></video><p id="x5rdd"></p>
<p id="x5rdd"><output id="x5rdd"></output></p>
<video id="x5rdd"><output id="x5rdd"></output></video>

<output id="x5rdd"></output><video id="x5rdd"><output id="x5rdd"><font id="x5rdd"></font></output></video>
<p id="x5rdd"></p>
<video id="x5rdd"></video><p id="x5rdd"><output id="x5rdd"></output></p>
<p id="x5rdd"></p>

<video id="x5rdd"></video>

<video id="x5rdd"><p id="x5rdd"><delect id="x5rdd"></delect></p></video>

<video id="x5rdd"><output id="x5rdd"><font id="x5rdd"></font></output></video>
<p id="x5rdd"></p>

<p id="x5rdd"></p>

<listing id="x5rdd"><address id="x5rdd"></address></listing>

Noble Metal
The main business of precious metal plating precious metal raw materials, products covered by gold potassium cyanide, potassium silver cyanide, cyanide silver, silver etc.. Brand: Mattel music, gold, and Guangyang chemical.
Products are widely used in electronic circuit boards, semiconductors and connectors, high-tech electronics industry, as well as jewelry, jewelry, watches and other traditional electroplating industry.
The Ministry of high-quality, standardized products supply, with professional, responsible delivery team, for customers in the purchase of various types of precious metal products in the process, to provide the most accurate and comprehensive security services.
Detail

Product introduction:

Potassium silver cyanide



Silver cyanide

Silver cyanide is one kindChemical compound. The white solid can be treated with cyanideag +Solution production. Some programs use thisprecipitateSo as to recover silver from the solution. Silver cyanide is also used in silver plating. Silver cyanide and othersanionA complex structure is formed at the time of reaction. Some silver cyanide will give off light. This product is mainly used in medicine and silver plating.


Auric potassium cyanide

Gold potassium cyanide is a gold plating reagent, mainly used in acidic range, gold-plated and gold alloy gold-plated. Decorative gold-plated products are widely used, suitable for rare watches, exquisite gifts and various jewelry gold-plated, stainless steel direct gold-plated, excellent effect, can also be used in the field of medical corrosion.


Silver

Silver, fortransition metalA kind of. Chemical symbolAg. Silver is one of the metals known and exploited in ancient times, and it is an important oneNoble metal. Silver is found in natureElementalExist, but most of them exist in the form of chemical compoundsSilver OreIn. The physical and chemical properties of silver are relatively stable, the heat conductivity and conductivity are good, the quality is soft and rich in ductility. hisReflective rateVery high up to99%Above。 There are many important uses.





Scan QR codeClose
国产一线无码视频-久久亚洲粉嫩高潮250p-日韩精品一区二区跑去-亚洲 精品 二区

<p id="x5rdd"></p>

<video id="x5rdd"><p id="x5rdd"></p></video>
<output id="x5rdd"></output>

<video id="x5rdd"></video><p id="x5rdd"><delect id="x5rdd"></delect></p>
<p id="x5rdd"><delect id="x5rdd"></delect></p>

<video id="x5rdd"></video>

<p id="x5rdd"></p>

<video id="x5rdd"></video>
<video id="x5rdd"><output id="x5rdd"></output></video><p id="x5rdd"></p>
<p id="x5rdd"><output id="x5rdd"></output></p>
<video id="x5rdd"><output id="x5rdd"></output></video>

<output id="x5rdd"></output><video id="x5rdd"><output id="x5rdd"><font id="x5rdd"></font></output></video>
<p id="x5rdd"></p>
<video id="x5rdd"></video><p id="x5rdd"><output id="x5rdd"></output></p>
<p id="x5rdd"></p>

<video id="x5rdd"></video>

<video id="x5rdd"><p id="x5rdd"><delect id="x5rdd"></delect></p></video>

<video id="x5rdd"><output id="x5rdd"><font id="x5rdd"></font></output></video>
<p id="x5rdd"></p>

<p id="x5rdd"></p>

<listing id="x5rdd"><address id="x5rdd"></address></listing>