523-21-7 Sodium Rhodizonate as Metal Titration Indicators
Sodium Rhodizonate , Purple or brown-black crystal, soluble in water orange, slightly soluble in sodium bicarbonate solution, insoluble in alcohol, unstable solution, use fresh preparation, also known as Rhodizonic acid sodium salt, Used for the detection of niobium, tantalum, niobium, lead, tin and sulphate as indicators in the determination of niobium and sulfate capacity. It can be used as a sensitive reagent for the determination of antimony, lead, antimony, sulfate, etc. It should be sealed and stored dry. Its melting point is 300 °C, it is Fine Crystalline Powder, its molecular formula is C6Na2O6, and molecular weight is 214.04, CAS No. is 523-21-7, it is a kind of Analytical Reagent, High purity.
CAS Number: 523-21-7
Molecular formula: C6Na2O6
Molecular Weight: 214.04
EINECS number: 208-340-3
Melting point 300 °C
Storage Conditions Store at +15°C to +25°C.
Morphology Fine Crystalline Powder
Color Green-gray to dark green
Water solubility Soluble in water.
Used as a sensitive reagent for the determination of antimony, lead, antimony, sulfate, etc.
Tests for tellurium, yttrium, lanthanum, lead, tin and sulfate, as indicator in the determination of niobium and sulfate capacity.
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