Add time:07/22/2019         Source:sciencedirect.com

Crystals of pure and Cu(NO3)2·3H2O doped Rochelle salt (sodium POTASSIUM TARTRATE (cas 304655-91-2)) crystals are grown from solution at room temperature. The thermal studies such as TGA (thermo gravimetric analysis) shows that there are four stages of decomposition which is confirmed through the four endothermic peaks found in the DSC (differential scanning calorimetry) curve for both pure and Cu(NO3)2·3H2O doped Rochelle salt crystals. The magnetic susceptibility of the pure and doped crystals were found out to be 42.483 × 10−6 and 40.29 × 10−6 emu, respectively. Similarly, the magnetic moment of pure and doped crystals have been found out to be 3.19 BM and 3.10 BM, respectively. The antimicrobial activity of Pure and Cu(NO3)2·3H2O doped Rochelle salt crystals for various concentrations are explained in detail. The dielectric constant of pure and doped crystal decreases as the frequency of applied field increases at the end it gives diminishing value of dielectric constant. The dielectric nature of pure and doped crystals have been compared. The antimicrobial activity of pure and doped crystals shows the inhibition zone diameter for various concentrations with respect to E. coli and Staphylococcus aureus.

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