Lanthanum Sulfate Hydrare

Formula: La₂(SO₄)₃·8H₂O
Nol.wt.: 709.8
CAS: 57804-25-8
Appearance: White crystals
Uses: Used as preservative, determination of atomic weight of elements, spectroscopic analysis, reagent, etc.

Code	LS-3.5N	LS-4N
Total amount of rare earth oxides %	≥37	≥37
Cerium purity and relative rare earth impurities
La₂O₃/TREO %	≥99.95	≥99.99
CeO₂/TREO %	≤0.002	≤0.004
Pr₆O₁₁/TREO %	≤0.001	≤0.002
Nd₂O₃/TREO %	≤0.001	≤0.002
Sm₂O₃/TREO %	≤0.005	≤0.001
Y₂O₃/TREO %	≤0.005	≤0.001
Non rare earth impurity
Ca%	≤0.005	≤0.002
Fe%	≤0.005	≤0.002
Na%	≤0.005	≤0.002
K%	≤0.003	≤0.001
Pb%	≤0.003	≤0.001
Al%	≤0.005	≤0.002

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