Items

Standard

Result

Assay

≥99.30%

99.31%

Moisture

≤1.8%

1.3%

Chlorides

≤0.5%

0.36%

Water insolubles

≤0.06%

0.03%

Sodium nitrite

≤0.02%

0.016%

Appearance

White crystalline

Regular

CONCLUSION:Qualified.

Items

Standard

Result

Appearance

Amber liquid

Amber liquid

Properties

Stable in air soluble in water

Stable in air soluble in water

Rh content

5%±0. 2

5%

Purity

99%min

99.9%

Insoluble Substance

0.1%

0.1%

inductively Coupled

Plasma/Elemental

Analyzer

Pt<0.005%

Pd<0.005%

Ag<0.005%

Ru<0.005%

Al<0.005%

Fe<0.005%

Mg<0.005%

Si<0.005%

Ca<0.005%

Cu<0.005%

Cr<0.005%

Pb<0.0005%

0.0018%

0.0020%

0.0019%

0.0016%

0.0017%

0.0011%

0.0014%

0.0015%

0.0015%

0.0016%

0.0011%

N.D.