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Category:JPyro – Articles
The main category – things that are published in the Journal
Thermodynamic and Spectroscopic Analysis of a Simple Lilac Flame Composition
B. T. Sturman and K. L. Kosanke Abstract: A simple lilac flame composition consisting of 80% potassium nitrate and 20% shellac was investigated by emission spectroscopy and thermodynamic modeling. The flame from the burning composition had a reddish-pink core with a brighter pale lilac outer envelope. The core of the flame is presumably close to …
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Review of: Lecture Notes for Pyrotechnic Chemistry – K. L. & B. J. Kosanke
Lecture Notes for Pyrotechnic Chemistry K.L. and B.J. Kosanke Review by Paul Smith The recent output of books providing accurate scientific discourse on pyrotechnics has been almost nonexistent. While there are still copies of many good texts on this subject, new editions to this extant literature have been rare. The publication of the two-part syllabus of …
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Primer Gunshot Residue Detection from the Firing of a Black Powder Revolver
L. T. Briscoe, K. L. Kosanke, and R. C. Dujay Abstract: A study was conducted to determine the potential for being able to identify primer gunshot residue (PGSR) within the substantial quantities of particulate residues produced during the firing of a revolver using Black Powder propellant and a percussion cap primer. Samples of gunshot residue …
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An Evaluation of Lightning Thermo Tube™ as a Pyrotechnic Ignition System
K. L. Kosanke and B. J. Kosanke Abstract: Lightning Thermo Tube (LTT) is a recently introduced type of shock tube with characteristics that make it highly suitable for use with common pyrotechnics. LTT is reliably initiated by reasonably energetic electric matches and reliably ignites most pyrotechnic compositions. LTT is physically strong, easily spliced and branched, …
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The Search For The Glitter Phenomenon
John Wraige Abstract: This report presents the results of experiments carried out spasmodically over 14 years to investigate the glitter phenomenon. Various glitter compositions are disclosed. Some of these show that the use of sulphur in either elemental or combined form is unnecessary. Others show that similar considerations apply to antimony or any other heavy …
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Spectroscopic Measurement of Burning Stars
Kazuomi Itoh, Dayu Ding, Hiroshi Tajima and Tadao Yoshida* Abstract: The spectroscopic measurement of burning stars has been carried out in order to examine the spectra of the stars, the peak intensity profiles of the spectra, the burning time and behavior, and the effect of filters on the attenuation of peak intensity and the excitation …
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Spectroscopic Measurement of Light and Flame of LEDs and Liquid Colors
Kazuomi Itoh, Dayu Ding and Tadao Yoshida* Abstract: Spectra and color values of the light from LEDs and liquid colors were measured using the PMA-11C7473-36 spectrometer as a preliminary study of the color of fireworkflames. The light from LEDs was stable and reproducibly measured. The color values of the light from LEDs did not vary …
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Metal–Fluorocarbon Pyrolants: VII. Crackling Effect Based on Mg/KClO4/(C2F4)n
Ernst-Christian Koch Abstract: Amixture of magnesium, potassium perchlorate, KClO4, and polytetrafluoroethylene, (-C2F4-)n, displays an audible crackling effect with nice sparks. Keywords: crackling effect, magnesium, potassium perchlorate, polytetrafluoroethylene, Teflon™ Ref: JPyro, Issue 24, 2006, pp11-16 (J24_11)
Application of Conducting Composition Fuseheads in Pyrotechnic Devices
Vojtech Pelikan Abstract: The electrical properties of bridgeless fuseheads were examined. A conducting composition conducting composition based on the mixture lead styphnate, Viton binder and conductive admixture was used as the fusehead as the fusehead priming mixture. Several types of conducting admixtures, namely two types of natural finely milled graphite and special conducting carbon black, …
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