Best Price and Quality Metal Selenium 99.5 Pct

Product Description

Company Profile
CHINA SHAANXI RICHBOND IMP.& EXP. INDUSTRIAL CORP.,LTD
We have our own professional brand, professional personnel, professional entities and professional marketing and sales network, investment in the coke plant and has its own complete machine screening processing equipment warehouse and carbon plant, the company mainly produces and exports all kinds of"RICHBOND" brand high quality carbon and charge products (including foundry coke, metallurgical coke, carbon block, gas coke,carbon additives, petroleum coke, calcined petroleum coke, amorphous graphite, graphite electrode, pig iron, Ferro manganese, ferro silicon, etc.) . Our products are not only praised by Korean,Thailand and other Asian customers, but also in the Middle East, Europe and the United States and other countries are growing in popularity.
Product Parameters Metal SELENIUM 99.5pct
SELENIUM IN 25KG DRUM
Product Description Selenium, element symbol Se, atomic number 34 in periodic table, VIA nonmetal. The density is 4.809 g/cm3, the melting point is 221 ° C and the boiling point is 685 ° C. Selenium is a kind of solid with gray metallic luster, which is brittle, toxic and conductive, and its conductivity changes sharply with light intensity. Selenium can be oxidized by and dissolved in concentrated lye without being oxidized at room temperature. Selenium is an essential micronutrient for human body, but excessive intake of selenium is harmful to human body. The content of selenium in the Earth's crust is only 0.05 PPM, and the distribution is scattered, and the annual supply is limited. Selenium is widely used in electronics, glass, metallurgy, chemical industry, health care, agriculture and other fields.
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