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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