Potassium sodium tartrate tetrahydrate

REF : 25508-5KG
Marca : Sigma-Aldrich
Descrição :Potassium sodium tartrate tetrahydrate puriss., 99.0-101.0% (calc. on H2O free substance), meets analytical specification of Ph. Eur., BP, USP, FC, E 337
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Descrição detalhada : Potassium sodium tartrate tetrahydrate is a ferroelectric crystal with a high piezoelectric effect and electromechanical coupling coefficient., Potassium sodium tartrate tetrahydrate (Rochelle salt) exists in the ferroelectric phase in the temperature range of 255 to 297K. In this phase, it crystallizes in the monoclinic system and exhibits space group P21. Saturated aqueous solution of potassium sodium tartrate (Rochelle salt) has been used for the preparation of its tetrahydrate crystals.
Sinónimos : L(+)-Tartaric acid potassium Sodium salt; Rochelle salt; Seignette salt
Fórmula molecula r: KOCOCH(OH)CH(OH)COONa · 4H2O
Armazenamento : Room Temperature
Embalagem : 1X5KG