Rhodium compounds

    Rhodium (III) Nitrate Solution

    Physical–chemical parameters of Rhodium (III) Nitrate Solution shall meet the requirements specified in Table 1.

    Table 1 

    ParameterValue
    Type IType IIType IV

    1 Mass fraction of rhodium, %

    		10,0-15,06,0-10,06,0-12,0
    2 Mass fraction of impurity, not more than, %:
    Total mass fraction of impurities2.02.00.4
    aluminium0.10.10.04
    barium0.10.1-
    bismuth0.10.1*
    iron0.10.10.1
    gold0.10.1*
    indium0.10.1-
    iridium0.10.10.04
    potassium0.10.1-
    calcium0.10.10.02
    cobalt0.10.1-
    silicon0.20.20.04
    magnesium0.20.2*
    manganese0.10.1*
    copper0.20.20.005
    arsenic0.10.10.005
    sodium0.10.10.09
    nickel0.20.2*
    tin0.10.1*
    palladium0.10.10.012
    platinum0.10.10,02*
    ruthenium0.10.1-
    lead0.10.10.01
    selenium0.10.1-
    silver0.10.1*
    strontium0.30.3-
    antimony0.10.1*
    tellurium0.10.1-
    phosphorus0.10.1-
    chromium0.10.1*
    zinc0.20.2*

    3 Mass fraction of chloride ion, %, not more than

    		0.50.20.4
    4 Mass fraction of HNO3, %, not more than--8-15

    The "−" sign in the table means that the content of the element is not rationed nor determined.

    *The total mass fraction of bismuth, gold, magnesium, manganese, nickel, tin, platinum, silver, antimony, chromium, zinc impurities shall be not more than 0.05%.

    Note - additional requirements for the quality of Rhodium (III) Nitrate Solution can be established upon agreement between the consumer and the manufacturer.

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