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method for ammonium perchlorate sub micron particles

method for ammonium perchlorate sub micron particles

May 04, 1976· Sub-micron particle size ammonium perchlorate particles are made by mixing a solution of ammonium perchlorate in a volatile liquid with a second less volatile liquid which is miscible with the first liquid and is a non-solvent for ammonium perchlorate.

US3954526A Method for making coated ultra-fine

Sub-micron particle size ammonium perchlorate particles are made by mixing a solution of ammonium perchlorate in a volatile liquid with a second less volatile liquid which is miscible with the first liquid and is a non-solvent for ammonium perchlorate. The resulting mixture is heated to vaporize the volatile liquid and form a suspension of fine ammonium perchlorate particles in

Cited by: 31

Method for making coated ultra-fine ammonium

04/05/1976· Sub-micron particle size ammonium perchlorate particles are made by mixing a solution of ammonium perchlorate in a volatile liquid with a second less volatile liquid which is miscible with the first liquid and is a non-solvent for ammonium perchlorate. The resulting mixture is heated to vaporize the volatile liquid and form a suspension of fine

作者:Grafton F Mangum · Rudy E Rogers · Edward J Schreck从属关系: Thiokol

Method of making finely particulate ammonium perchlorate

A method of making finely particulate ammonium perchlorate which comprises establishing a two-phase liquid system in which the upper phase is a concentrated solution of ammonium perchlorate and the lower phase is a liquid which is immiscible with the upper phase solvent and a non-solvent for ammonium perchlorate.

Grafton F. Mangum Inventions, Patents and Patent

Abstract: Sub-micron particle size ammonium perchlorate particles are made by mixing a solution of ammonium perchlorate in a volatile liquid with a second less volatile liquid which is miscible with the first liquid and is a non-solvent for ammonium perchlorate. The resulting mixture is heated to vaporize the volatile liquid and form a suspension of fine ammonium perchlorate particles

US3685163A Method of producing fine particle

A process for preparing ultra-fine ammonium perchlorate particles is provided. In this process an aqueous solution of ammonium perchlorate is dispersed in an organic liquid to form a water-in-oil emulsion. The emulsion is frozen and freeze dried to produce the ultra-fine particles.

Cited by: 22

ammonium perchlorate grinding techniques

Patent US3954526 Method for making coated ultra-fine ammonium . May 4, 1976 . Sub-micron particle size ammonium perchlorate particles are made by mixing . However, such grinding operations are subject to a number of.

Ammonium perchlorate Wikipedia

Ammonium perchlorate (AP) is produced by reaction between ammonia and perchloric acid. This process is the main outlet for the industrial production of perchloric acid. The salt also can be produced by salt metathesis reaction of ammonium salts with sodium perchlorate.

Chemical formula: NH₄ClO₄

Ammonium perchlorate | NH4ClO4 PubChem

Ammonium perchlorate | NH4ClO4 or ClH4NO4 | CID 24639 structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. WELCOME TO PUBCHEM!

Review of U.S. EPA Methods for Perchlorate Using

Ion Chromatography Methods For Perchlorate Analysis

Ammonium Perchlorate Patents and Patent Applications

Abstract: Sub-micron particle size ammonium perchlorate particles are made by mixing a solution of ammonium perchlorate in a volatile liquid with a second less volatile liquid which is miscible with the first liquid and is a non-solvent for ammonium perchlorate. The resulting mixture is heated to vaporize the volatile liquid and form a suspension of fine ammonium perchlorate particles in the

The Thermal Decomposition of Ammonium Perchlorate

the present work, AP, Al and Zn particles presented a mean particle size of 200 μm, 50 μm and 4 μm respectively. 3. Results and Discussion 3.1. Thermal Decomposition of AP Ammonium perchlorate (AP) is the most widely used oxidizer in solid compo-site propellants mainly because of the high oxygen content, large specific volume

Grafton F. Mangum Inventions, Patents and Patent

Abstract: Sub-micron particle size ammonium perchlorate particles are made by mixing a solution of ammonium perchlorate in a volatile liquid with a second less volatile liquid which is miscible with the first liquid and is a non-solvent for ammonium perchlorate. The resulting mixture is heated to vaporize the volatile liquid and form a suspension of fine ammonium perchlorate particles in the

Thermal decomposition of mechanoactivated ammonium

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METHOD OF PRODUCING FINE PARTICLE AMMONIUM

22/08/1972· Current methods of producing fine particles of ammonium perchlorate are grinding and ball milling of ammonium perchlorate and freeze drying of a frozen solution of ammonium perchlorate in water. This latter process is described in detail in U.S. Pat. No. 3,452,445.

作者:Olt Robert L从属关系: Hercules Inc

Method of making finely particulate ammonium

17/05/1977· A method of making finely particulate ammonium perchlorate which comprises establishing a two-phase liquid system in which the upper phase is a concentrated solution of ammonium perchlorate and the lower phase is a liquid which is immiscible with the upper phase solvent and a non-solvent for ammonium perchlorate.

作者:Michael L Levinthal · Gale F Allred · Larry W Poulter从属关系: Thiokol

Catalytic decomposition of ammonium perchlorate on

Hollow mesoporous CuO microspheres (CuO-HM) have been prepared by a hard-template method and their structure properties as well as catalytic performance in ammonium perchlorate (AP) decomposition were fully investigated by XRD, SEM, XPS, TG/DSC and TG/F-TIR methods.

Preparation and characterization of composite particles of

Al/Ammonium perchlorate (AP) composite particles were prepared by solvent-nonsolvent method. TEM, SEM and XRD were used to characterize their structure and ICP

Copper chromite decorated on nitrogen-doped graphene

29/04/2019· Abstract. In this study, CuCr 2 O 4 spinel (CCO) nanoparticles decorated on three-dimensional graphene networks were synthesized using hydrothermal method followed by a calcination process. The as-prepared material was characterized by different analysis methods and used for catalytic thermal decomposition of ammonium perchlorate particles (AP).

Review of U.S. EPA Methods for Perchlorate Using

22/01/2013· To avoid these complications, Dionex Corporation and the U.S. EPA collaborated to develop U.S. EPA Method 314.1. This method uses a preconcentration column to trap perchlorate from the matrix, followed by matrix elimination with 10 mM sodium hydroxide. Perchlorate is then separated using a 2-mm primary column.

Preparation, characterization and catalytic behavior of

In this study, copper oxide nanoparticles (CuO NPs) with mean particle size of 43–32 nm were prepared by wet grinding of commercial micronized CuO powders in a high-energy wet ball-milling apparatus during 20 and 30 h, respectively. X-ray diffraction (XRD) and field emission scanning electron

Catalytic decomposition of ammonium perchlorate on

Hollow mesoporous CuO microspheres (CuO-HM) have been prepared by a hard-template method and their structure properties as well as catalytic performance in ammonium perchlorate (AP) decomposition were fully investigated by XRD, SEM, XPS, TG/DSC and TG/F-TIR methods.

Ammonium Perchlorate Patents and Patent Applications

Abstract: Sub-micron particle size ammonium perchlorate particles are made by mixing a solution of ammonium perchlorate in a volatile liquid with a second less volatile liquid which is miscible with the first liquid and is a non-solvent for ammonium perchlorate. The resulting mixture is heated to vaporize the volatile liquid and form a

Safe preparations of fine ammonium perchlorate particles

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The Thermal Decomposition of Ammonium Perchlorate

The thermal decomposition of ammonium perchlorate (AP) with Al and Zn metallic particles was studied at different heating rates in dry air atmosphere and the combustion behavior of AP/Al/Zn propellant was evaluated. The exothermic reaction kinetics was studied by differential thermal analysis (DTA) in non-isothermal conditions and compare with the thermal decomposition of pure AP and AP

Colorimetric sensing of ammonium perchlorate using

Ammonium perchlorate samples between 5.0 × 10 −7 –4.0 × 10 −6 mol L −1 initial concentrations were determined with the literature method, based on perchlorate anion pair formation with MB cationic dye and subsequent measurement of the 655 nm-absorbance in the organic (DCM) phase.

(PDF) Thermal Decomposition of Ammonium Perchlorate

Defence Science Journal, Vol. 58, No. 6, November 2008, pp. 721-727 Ó 2008, DESIDOC Thermal Decomposition of Ammonium Perchlorate in the Presence of Nanosized Ferric Oxide Satyawati S. Joshi1, Prajakta R. Patil1, and V. N. Krishnamurthy 1 Center for Advanced Studies in Chemistry, University of Pune, Pune-411 007 ABSTRACT The catalytic effect of two different sizes of a-Fe2O3

Review of U.S. EPA Methods for Perchlorate Using

22/01/2013· To avoid these complications, Dionex Corporation and the U.S. EPA collaborated to develop U.S. EPA Method 314.1. This method uses a preconcentration column to trap perchlorate from the matrix, followed by matrix elimination with 10 mM sodium hydroxide. Perchlorate is then separated using a 2-mm primary column.

Ammonium Perchlorate Patents and Patent Applications

In the process, a recovered ammonium perchlorate solution is contacted with activated carbon, preferably by passage through a packed column. Contamination that modifies the ammonium perchlorate crystal habit and causes rhombic-shaped ammonium perchlorate particles is removed by activated carbon. The carbon-treated ammonium perchlorate solution

Thermal decomposition of mechanoactivated ammonium

10/11/2018· The regimes of non-explosive mechanical treatment of ammonium perchlorate (AP) in high-energy intensity planetary ball mill are found. The changes in the structure and reactivity of AP as a result of mechanical processing were studied by methods of synchronous thermal analysis with registration of mass spectra, x-ray diffraction, microscopy and elemental analysis.

method for ammonium perchlorate sub micron particles

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