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                               NILE CHEMICALS

                    LANTHANUM CARBONATE (HYDRATE)

                    Molecular Formula: La2 (CO3)3.xH2O  

                    Mol. Weight : 457.85 (Anhydrs)  

                    CAS No. : 54451-24-0

                    Sr.No.

                     Test Characteristics

                    Unit

                    Specification

                    Actual   Results

                    Lower

                    Upper

                    1

                    Appearance  

                    Visual

                    ------

                    ------

                     White/Off White Powder

                    2

                    Assay by TREO

                    %

                    99.90

                    ------

                    99.91

                    3

                    La2O3 content

                          %

                    40.00

                    -----

                    40.20

                    7

                    Other Rare Earth

                    %

                    -----

                    0.05

                    0.05

                    8

                    Fe

                    ppm

                    -----

                    50

                    <50

                    9

                    Sodium

                    ppm

                    -----

                    50

                    <48

                    10

                    CaO+MgO

                    %

                    ----

                    0.01

                    0.001

                    11

                    Moisture

                    %

                    -----

                    30.00

                    <25

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