Purchase Qty. Reference FOB Price
1-999 kg US$100.00
1,000-9,999 kg US$40.00
10,000+ kg US$38.00
Product Description
Selenium powder Selenium is a chemical element with symbol Se and atomic number 34. and found impurely in metal sulfide ores. Selenium has six naturally occurring isotopes. Black Selenium is a brittle, lustrous solid that is slightly soluble in CS2. Specializes in producing high purity selenium ...