Sodium potassium tartrate, Rochelle salt

[English name] Rochelle salt; potassium sodium tartrate

[structure or molecular formula]

[density] 1.79

[Melting point (°C)] 70～80

【Properties】

Colorless transparent crystal.

【Solubility】

Soluble in water, insoluble in ethanol.

【use】

It is used for baking powder, medicine, and used for power supply plating of chemical kits.

[preparation or source]

It is prepared by dissolving potassium hydrogen tartrate in water, adding sodium carbonate to make it saturated, concentrating and crystallizing.

【other】

The crystal water was lost at 215 °C.

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