Journal of Materials / 2013 / Article / Tab 4

Research Article

Growth and Characterization of ULMA Single Crystals Doped with Ammonium Chloride

Table 4

TG/DTA results.

Compounds
Undoped ULMAAmmonium chloride-doped ULMA
5 wt%10 wt%15 wt%

TG
 Stages of decomposition (°C)132.02, 224.05, 386.32135.02, 215.28, 320.00133.30, 213.21, 322.16130.09, 222.53, 298.80
 Intial mass of the material subjected to analysis (mg)3.26002.75002.94300.7609
 Residue (mg)0.00330.03810.01370.7609
DTA
 Irreversible endothermic transition temperatures (°C)132.08, 194.72134.60, 196.12134.30, 195.98132.18, 194.49
 Melting point (°C)132.08134.60134.30132.18

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