... rubber, feed additives; sulfur absorber in petroleum basic zinc carbonate basic zinc carbonate transparent activator in rubber, feed additives; sulfur absorber in ... and alcohol, slightly soluble in ammonia, can dissolve inthe diluted acid and the sodium hydroxide.Quality Standardconform to the chemical trade ... 75um mesh,≥95.094.0Cadmium(Cd),≤0.10 sell zinc carbonate sulfuric acid