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1. Dissolve about 20 mg with 2 ml dilute nitric acid, add 1 ml ammonium Molybdate TS and heat, allow stand cooling and a yellow precipitate will be produced.
2. Dissolve 30 ml tested substance in water (3→10000) with 0.2ml 3,5-dihydroxy toluene ethanol solution (1→1000), and heat in the water bath 10 minutes, a green precipitate will be produced.
3. The IR-spectrum of the sample solution corresponds to the standard IR-spectrum.
4. The water solution shows sodium identification reaction.
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