## Abstract Measurements on dielectric constant of holmium tartrate trihydrate crystals at frequencies of the applied a.c. in the range 1 kHz to 1 MHz and at temperature in the range 30Β°C to 330Β°C are reported. The dielectric constant Ξ΅β² increases with temperature at all frequencies, attains a peak
Thermal behaviour of natural heulandite crystals
β Scribed by Dr. P. K. Jeethendra Kumar; P. Mohan Rao; D. L. R. Setty
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 400 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0232-1300
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## Abstract Betaβuranophane from Perus, SP, Brazilβ has been heated progressively up to 1.350Β°C, and its thermal behaviour has been investigated thoroughly by several methods: thermogravimetry, differential thermal analysis, optical measurements (variation of refraction indices), infraβred spectros