Customization: | Available |
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CAS No.: | 6487-39-4 |
Formula: | La2(Co3)3 |
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Lanthanum Carbonate
Item | Limit |
Characters | Appearance:white or almost white powder. Slightly hygroscopic. |
Solubility : This product is soluble in 0.5mol/L hydrochloric acid solution, slightly soluble in 0.1mol/L hydrochloric acid solution, extremely slightly soluble in pH 4.5 sodium acetate buffer solution, and almost insoluble in methanol | |
Identification | A.Determination of Inductively Coupled Plasma Emission Spectrometer (ICP-AES)-The emission spectral lines should be consistent with the reference substance |
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C.Crystal form-meets the requirements | |
Polycrystalline forms I and II of basic lanthanum carbonate | Polycrystalline form I of basic lanthanum carbonate: NOT MORE THAN 1.0% |
Polycrystalline form II of basic lanthanum carbonate: NOT MORE THAN 1.0% |
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Moisture content | 14.0%-16.5% |
Chloride | Not more than 0.5% |
Sodium | Not more than 0.1% |
Assay | This product is calculated as a tetrahydrate, with lanthanum (La) content ranging from 94.0% to 102.0% of the theoretical value, and carbonate (CO3) content ranging from 94.0% to 106.0% of the theoretical value. |