| Customization: | Available |
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| CAS No.: | 6487-39-4 |
| Formula: | La2(Co3)3 |
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Specification of 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. |
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