THE precipitation of silver chromate from its supersaturated solutions has been studied by van Hook 1, who concluded that crystallization could be represented as a two-step process: first ...
These paints are highly pigmented and consist of white lead, lithopone, chrome yellow, cadmium sulfide, barium chromate, vermillion and red lead heavy metal salts. A study by Central Pollution ...
Only “green crackers” (those free from barium salts or compounds of antimony, lithium, mercury, arsenic, lead or strontium chromate) are permitted to be sold and used. Further, only licensed ...
According to an official spokesperson, only green crackers, which are free from barium salts or compounds of antimony, lithium, mercury, arsenic, lead or strontium chromate, are permitted for sale and ...