Giovangigli V, Meynet N, Smooke M (2006) Application of continuation techniques to ammonium perchlorate plane flames. Combust Theor Model …
Perchlorate (ClO 4−) is a soluble anion that consists of a central chlorine atom surrounded by a tetrahedral array of four oxygen atoms. It is known to affect the function of the thyroid gland ...
Abstract. The sphericity and size of ammonium perchlorate (AP) particles are the most significant properties in composite propellants. In this study, using the Taguchi method, the effects of surfactant type, surfactant concentration, stirring speed, cooling rate, and AP concentration parameters were investigated on the sphericity and size of AP …
The common methods used for the preparation of ultrafine ammonium perchlorate (AP) crystals are physical and recrystallization methods. These methods are associated with several limitations, including strong vibrations or friction during the …
The method involves obtaining a dispersion of ammonium perchlorate, grinding the suspension for 1 hour in the presence of grinding elements. The method is characterised by that the ammonium perchlorate is ground in a medium of butyl rubber with viscosity 1600…3000 P, with ratio of ammonium perchlorate to butyl rubber equal to 70:30.
However, methods for producing aluminum nanoparticles on a large scale are limited. In this work, we introduce a facile method for manufacturing nanosized aluminum powders on a hundred-gram scale. The key reagents used are ammonium chloride and aluminum(III) acetylacetonate, employed as a grinding aid and surface passivation agent, respectively ...
Abstract. In this article, nano-CuCr 2 O 4 (copper chromite)/ultrafine ammonium perchlorate (AP) composites were prepared by a ultrasonic dispersion …
The combustion wave structures of ammonium perchlorate composite propellants have been studied experimentally by means of thermal analysis and microthermocouple techniques.
Thus, this study proposed a simple strategy for achieving a good balanced between harnessing the energy and ensuring the safety of ammonium perchlorate by significantly reducing its mechanical …
Abstract. The sphericity and size of ammonium perchlorate (AP) particles are the most significant properties in composite propellants. In this study, using the Taguchi …
An ammonium perchlorate 118 cake may be formed by the separation technique. The ammonium perchlorate cake 118 is washed with cold water or with a saturated solution of ammonium perchlorate to remove any residual sodium impurities. The ammonium perchlorate cake can be dried, if it meets the crystal size distribution …
decomposition of ammonium perchlorate (AP) was investigated using differentialscanning calorimetric technique and thermogravi-metric analysis. The results revealed that the high decomposition temperature T H and Gibbs free energy ΔG⧧ of the CMGO/CuO/ AP composite decreased by 93.9 °C and 15.3 kJ/mol compared with those of raw AP, …
The TG/DSC study showed that nano-sized β-Cu could be a promising additive for accelerating the thermal decomposition of ammonium perchlorate (AP). Copper β-resorcylate (cupric 2,4-dihydroxy-benzoate, β-Cu) nanoparticles were prepared at a large-scale via a facile wet mechanical grinding method and vacuum freeze-drying …
Ammonium perchlorate (AP) ... techniques. The results show that Cu-Cr-Fe ternary nanocomposite metal oxides with a molar ratio of 5:2:8 prepared by …
ABSTRACT. In this article, a series of nano-Cu-Fe composite metal oxides (nano CuO/Fe 2 O 3), with different molar ratios of CuO/Fe 2 O 3 (1:2, 1:1, 1:0.5, 1:0.25), were prepared in large-scale by mechanical grinding. The microstructures, surface elements and morphologies of samples are analyzed by X-ray diffraction (XRD), X-ray …
Abstract. In this present article, we reported a facile and efficient milling method to prepare a series of CuO/PbO nanocomposite metal oxides (CuO/PbO …
In order to improve the thermal decomposition performances of ammonium perchlorate (AP), the laminated AP composite was prepared by ice-template induced …
Proper Shipping Name AMMONIUM PERCHLORATE Hazard Class 5.1 Packing Group II 15. Regulatory information All of the components in the product are on the following Inventory lists: X = listed International Inventories Component TSCA DSL NDSL EINECS ELINCS NLP PICCS ENCS AICS IECSC KECL Ammonium Perchlorate X X - 232 -235 …
The catalytic effects of nano-Cu-Fe composite metal oxides on the thermal decomposition of ammonium perchlorate (AP) were investigated by thermogravimetric (TG) analysis and differential scanning calorimetric (DSC) techniques. The results show that nano-Cu-Fe composite metal oxides with the molar ratio of CuO/Fe2O3 = 1:2 have the best catalytic ...
Ammonium perchlorate, grinding, air classifier mill, composite propellant, average particle. size, modelling equation, burn rate. N OM E N CL AT UR E. AC M Ai r cla ssi fie r mil l. FR AL Fe ed ...
The common methods used for the preparation of ultrafine ammonium perchlorate (AP) crystals are physical and recrystallization methods. These methods are associated with several limitations, including strong vibrations or friction during the preparation process that can be hazardous, as well as high energy consumption, high …
A thermogram of pure am-monium perchlorate (A),ammonium perchlorate containing 0.06% sodium chlorate(B),and 0.1% sodium chlorate (C). Figures - uploaded by Alaa N. Ghanim Author …
Ammonium Perchlorate Grinding Techniques Reasons For Coal Mill Reject T21:01:41+00:00
Copper β-resorcylate (cupric 2,4-dihydroxy-benzoate, β-Cu) nanoparticles have been successfully synthesized via a facile wet mechanical grinding and dried by vacuum drying and vacuum freeze-drying techniques. The crystal forms were characterized by X-ray diffraction, and the particle sizes were analyzed using scanning …
Ammonium Perchlorate Grinding Techniques. · Ammonium Perchlorate Grinding Techniques. Cuopbo nmoap mixture was obtained by light grinding here the purpose of light grinding was mainly to minimize the change in the particle size of ap during the grinding process at a mass ratio of 491 the ap and cuopbo nmos were mixed and …
Ammonium perchlorate (AP) is a strong oxidant, as a typical energetic material, which can release nitrogen oxide molecules such as O 2 and N 2 O when heated at high temperature, accompanied by huge heat. AP is often used as the main oxidant of composite solid propellants, accounting for 60–90% of the total weight of propellants.
Preparation of Nano-Cu-Fe Composite Metal Oxides via a Mechanical Grinding Method and Its Catalytic Performance for the Thermal Decomposition of …
Perchlorate (ClO 4 −) is a strong oxidizer and has gained significant attention due to its reactivity, occurrence, and persistence in surface water, groundwater, soil and food.Stable isotope techniques (i.e., (18 O/ 16 O and 17 O/ 16 O) and 37 Cl/ 35 Cl) facilitate the differentiation of naturally occurring perchlorate from anthropogenic perchlorate.At …
Ammonium perchlorate happens to be one of the ones that comes granular regularly. This is due to the grain size requirements for high powered rocketry. ... You may want to try grinding a small batch of AP, and remaking the star to see if there is any improvement in color, or if the paleness is a result of the formula itself. Link to comment ...
Different salts of 1,1′-dimethyl-4,4′-bipyridinium which known as methyl viologen compounds (MVX 2) (where X= iodide (I‾, MVI 2), perchlorate (ClO 4 ‾, MVC 2) and tetraphenylborate anion (BPh 4 ‾, MVT 2)) were prepared and characterized using 1 H NMR, 13 C NMR, elemental analysis and mass spectroscopy. The impact of these …
In this article, nano-CuCr 2 O 4 (copper chromite)/ultrafine ammonium perchlorate (AP) composites were prepared by a ultrasonic dispersion method and a mechanical grinding method. A series of nano-CuCr 2 O 4 /ultrafine AP composites with different dispersions were prepared by controlling the compounding time to study the …
In a preliminary experiment, an almost hexahedral crystal-habit-modified AP was obtained by pouring saturated aqueous AP solution at 333 K into ethylene glycol cooled to 273 K. The yield of AP recrystallized by this method was low because of the moderate solubility of AP in ethylene glycol at 273 K (5.5 g AP/100 g ethylene glycol).
2 Combustion of Ammonium Perchlorate Monopropellant. The chief ingredient, AP, controls the combustion characteristics of composite solid propellants. AP is also a monopropellant and its combustion characteristics can be studied independent of the binder. AP shows the peculiar phenomenon referred to as LPDL in the literature.
Ammonium perchlorate should be stored in a closed container in a dry, cool, ventilated area, as close as practical to the workplace in which it will be used. 1. Reactivities and Incompatibilities. Because ammonium perchlorate is a solid oxidizer, keep away from acids, alkalis, reducing agents, and combustibles. 1. Exposure controls Sampling and ...
In order to improve the thermal decomposition performances of ammonium perchlorate (AP), the laminated AP composite was prepared by ice-template induced self-assembly method. In this study, Iron ...
For our hobby the major hazard is Ammonium chlorate, which can be accidentally formed it AP mixes with chlorates. This is highly unstable and will explode or self-combust unpredictably. The safety recommendation is never to use AP and chlorates in the same workshop. The fertiliser grade ammonium nitrate you can buy in the UK is …
In this article, nano-CuCr 2 O 4 (copper chromite)/ultrafine ammonium perchlorate (AP) composites were prepared by a ultrasonic dispersion method and a …
In this present article, we reported a facile and efficient milling method to prepare a series of CuO/PbO nanocomposite metal oxides (CuO/PbO NMOs), with CuO/PbO molar ratios of 1:2, 1:1, 1:0.5, and 1:0.25 as a potential catalyst to catalyze the thermal decomposition of ammonium perchlorate (AP). The obtained CuO/PbO NMOs …