China Manufacturing Selenium Powder / Optical Instrument Selenium granule

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China Manufacturing Selenium Powder / Optical Instrument Selenium gran...
Posting date : May 14, 2014
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28-
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1. Santech Materials specializes in producing high purity selenium with the smallest particle average grain sizes . 2. Selenium is a chemical element with symbol Se and atomic number 34. and found impurely in metal sulfide ores. 3. Selenium has six naturally occurring isotopes. Black Se is a brittle, lustrous solid that is slightly soluble in CS2.

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