, 2. The herein-described process for manufacturing lithopone of various grades and a by-product of sodium hydrosulfid, which consists in preparing separate solutions of zinc sulfate and barium sulfid, which solutions are mixed with each other and with that of sodium bisulfate, all in equivalent and calculated amounts to produce and precipitate the desired grade of lithopone and leave the so dium hydrosulfid in solution, substantially as described.
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This intermediate compound is then refined further and reacted with oxygen at high temperatures to yield titanium dioxide This intermediate compound is then refined further and reacted with oxygen at high temperatures to yield titanium dioxide
It serves as a reminder that, like the nail, we too can endure adversity and remain steadfast in the face of challenges It serves as a reminder that, like the nail, we too can endure adversity and remain steadfast in the face of challenges
