Sodium silicate will be the prevalent identify for any compound sodium metasilicate, Na2SiO3, and is usually called liquid glass. The moist reunion will affect Se powder dispersion performance and using consequences, hence, selenium Se powder need to be sealed in vacuum packing and saved in great and dry space, the https://www.facebook.com/permalink.php?story_fbid=pfbid02jeDD8X86V5cBgvJLUwD3MtU8uJXog9gE8RUr2Z9KgJHWca4VNG8CSXhAAR3QN3yel&id=61569401052276