Platinum Carbon Catalyst
Product: Platinum Carbon Catalyst (Activated Charcoal, Pt/C, 40-50µm, Purity: 99%)
Quality Control: Each lot of NANOSHEL Platinum Carbon Catalyst was tested successfully.
|Product Name||Platinum Carbon Catalyst|
|Moisture Content||≤ 12%||Confirm|
|Water Soluble Content||≤ 50 ppm||Confirm|
|Acid Soluble Substance (Iron)||≤ 200 ppm||Confirm|
|Methylene Blue Absorption||≤ 15 (g/100g)||Confirm|
|Conclusion||The specifications Confirm with enterprise standard|
|Main Inspect Verifier||Manager QC|
Dr. Marcus Tägtmeyer (International Medical and Technological University, Dar es Salaam, Tanzania)
The physical and chemical properties of the carbon substrate can alter the nature of water-catalyst interaction. Porous supports typically exhibit higher water sorption. Depending on the pore size distribution in the carbon, water may or may not accumulate within the catalyst layer. Presence of chemical functionalities on the carbon support can alter the catalyst hydrophilicity and hydrophobocity, thereby affecting the water balance. In fact, the catalyst support can be selectively treated by specifically introducing hydrophilic and hydrophobic modifications to design a material with good water balance.
Dr. Ms Jane Li (National Penghu University of Science and Technology, Magong, Penghu, Republic of China)
The platinum particle size can be derived from an X-Ray diffraction (XRD) pattern, which also provides information on crystal phases in the catalyst. The XRD technique is generally complemented by cyclic voltammetry (CV) to measure the catalytically active surface area. The active area depends on the metal particle size and on the uniformity of metal dispersion on the carbon support. Uniform catalyst dispersion, observable by transmission electron microscopy (TEM) (Fig. 1), is essential for good platinum utilization and for resistance to platinum sintering.
Dr. Willem-Jan de Kleijn Ph.D (Luleå University of Technology, Luleå, Sweden)
In the chemical and petrochemical industries, products worth billions of dollars are generated every year through processes that use oxide and metal/oxide catalysts. For the control of environmental pollution, catalysts or sorbents that contain oxides are employed to remove the CO, NOx, and SOx species formed during the combustion of fossil-derived fuels.
Dr. JKF Gojukai PhD (Kaiserslautern University of Technology, Kaiserslautern, Rhineland-Palatinate, Germany)
Furthermore, the most active areas of the semiconductor industry involve the use of oxides. Thus, most of the chips used in computers contain an oxide component. Till now, there are still many potential applications of materials under continuous investigation and new synthesis methods being developed.
Dr. Huang Fu Ph.D (Maebashi Institute of Technology, Maebashi, Gunma, Japan)
Sintering of platinum particles on the carbon support decreases catalytically active surface areas. Small metal particles of the catalyst may dissolve into the acidic operating environment, precipitating onto larger metal particles leading to particle growth; or the particles may directly coalesce with each other due to movement on the carbon surface. Both mechanisms occur to some degree, with dissolution-precipitation being more prevalent when load cycling occurs. The sintering of the catalyst may be reduced by strengthening the metal-support interaction
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