Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Peter G. Laye"'
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 105:699-703
The development of a new sample controlled thermal analysis technique based on a heat flux DSC is described. The performance of the system is demonstrated by studies on the decomposition of sodium bicarbonate and the oxidation of a copper impregnated
Publikováno v:
Thermochimica Acta. 497:72-76
The close proximity in melting temperature of the LGC Limited DSC standards indium and diphenylacetic acid, has enabled a direct assessment to be made of any differences resulting from the use of a metal or an organic compound in the calibration of D
Autor:
John O. Hill, Peter G. Laye, Trevor T. Griffiths, B. Berger, H.M. Markham, Edward L. Charsley
Publikováno v:
Thermochimica Acta. 469:65-70
The equilibrium temperatures of the three solid–solid phase transitions of high purity rubidium nitrate have been measured accurately by stepwise heating and by the extrapolation to zero heating rate method. Mean values of 164.9 ± 0.1 °C (transit
Publikováno v:
Thermochimica Acta. 446:29-32
A series of organic melting point temperature standards are available for which the liquefaction temperature has been determined by stepwise heating under near equilibrium conditions. The present work explores their use in the accurate calibration of
Publikováno v:
Thermochimica Acta. 445:36-39
The equilibrium temperature of the solid–solid phase transition of high purity caesium nitrate has been measured accurately by stepwise heating and by the extrapolation to zero heating rate method. A mean value of 154.3 ± 0.1 °C was obtained usin
Autor:
Peter G. Laye, Trevor T. Griffiths, James J. Rooney, S.J. Goodall, Irmeli M. Tuukkanen, Helge Lemmetyinen, Edward L. Charsley
Publikováno v:
Thermochimica Acta. 443:116-121
A sample of strontium nitrite has been synthesised and thermally characterised to investigate its role in the ageing of magnesium–strontium nitrate pyrotechnic compositions in the presence of water vapour. Studies by isothermal microcalorimetry sho
Autor:
Peter G. Laye, James J. Rooney, Trevor T. Griffiths, Edward L. Charsley, Helge Lemmetyinen, Irmeli M. Tuukkanen
Publikováno v:
Propellants, Explosives, Pyrotechnics. 31:110-115
The pyrotechnic and thermal properties of a range of binary magnesium-strontium nitrate compositions containing from 10% to 90% by mass of magnesium have been determined. The burning rate and light output were measured after consolidating the composi
Autor:
Peter G. Laye, S.D. Brown, James J. Rooney, Edward L. Charsley, Irmeli M. Tuukkanen, S.J. Goodall, Helge Lemmetyinen, Trevor T. Griffiths
Publikováno v:
Thermochimica Acta. 426:115-121
The influence of the fuel to oxidant ratio on the ageing behaviour of the magnesium–strontium nitrate pyrotechnic system in the presence of water vapour has been investigated by isothermal microcalorimetry in conjunction with chemical and thermal a
Autor:
James J. Rooney, S.D. Brown, Trevor T. Griffiths, Peter G. Laye, S.J. Goodall, Edward L. Charsley
Publikováno v:
Thermochimica Acta. 401:53-61
The ageing behaviour of a pyrotechnic mixture of magnesium and potassium nitrate has been followed at 50 °C and 65% relative humidity by isothermal heat flow calorimetry. Measurements have been carried out with samples in air and in an inert atmosph
Publikováno v:
Thermochimica Acta. 539:115-117
The LCG Limited organic DSC calibration standards have been used to carry out the enthalpy calibration of a power compensated DSC in a temperature range (42–147 °C) for which suitable metal standards are not available. The mean calibration factor