карбоната цинка ISO9001

Chemical Name:Zinc Carbonate Chemical industry Standard of Peoples Republic of China HG/T2523-93Molecular formula:ZnCO32Zn(OH)2H2OThe zinc carbonate, white slight non-stereotype powder froth, can not dissolve in water and mellow, slightly soluble in the ammonia. It can completely dissolve in the diluted acid and the sodium hydroxide (NaOH).It is used not only in activating transparency agent, strengthening agent and coloring agent in the rubber industry, but also massively in the rubber connection agent. Apart from that, it also can used in petroleum and well drilling industry.(ITEMS)(INDEX)(High-Class)(First-Class)(Qualified)(Zn) % ≥57.557.056.5Calcination (%)25.0-28.025.0-30.025.0-32.0(Pb) % ≤0.040.050.05Water%≤2.53.55.0(so4) % ≤0.600.80-45um ≥95.094.093.0(Cd) % ≤0.10--