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Rare Earth standards
Oxidation Terbium
Chemical type Formula:TB4O7 The element measures Mol.wt.747.70 Norms Specification: Brand TO-4N TO-3N5 TO-3N TREO Min% of gross of rare earth oxide 99 99 99...
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Oxyhydrogen changes lanthanum
Chemical type Formula:LA(OH)3 The element measures Mol.wt.189.9 Norms Specification: Brand LH-4N LH-3N LH-2N TREO Min% of gross of rare earth oxide 85 ± 1 85 ± 1...
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Henan province makes base of property of nickel hydrogen batteries
Henan province is using his exert oneself of advantage of rare land natural resources makes base of property of nickel hydrogen batteries. As we have learned, in recent years Henan province uses rare earth resource, significant progress is...
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