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In regular long pore channels XRD patterns with SBA-15 hexagonal opening, high intensity 100 in the low angle region and low intensity 110 and 200 hkl plane peaks are observed at Brag angles slightly higher than this plane angle. The following low angle XRD patterns, 77 K nitrogen adsorption isotherms (in mmol nitrogen/gr solids) and TEM images were obtained in the study in which the pH effect (at pH=1.0 and pH=2.0 conditions) on zirconium (Zr) loading by hydrothermal synthesis was investigated. a) Interpret how the pH increase changes the SBA-15 regular pore (Crystal) structure according to the XRD behavior. b) Which sample has the highest total pore volume? What is the adsorbed mmol/g solid amount?) c) Which sample has the highest micropore volume? What is the adsorbed mmol/g solid amount?) d) Which of the SBA-15 structure features can you comment on in TEM images, please explain by showing them on the figure.

In regular long pore channels XRD patterns with SBA-15 hexagonal opening, high intensity 100 in the low angle region and low intensity 110 and 200 hkl plane peaks are observed at Brag angles slightly higher than this plane angle. The following low angle XRD patterns, 77 K nitrogen adsorption isotherms (in mmol nitrogen/gr solids) and TEM images were obtained in the study in which the pH effect (at pH=1.0 and pH=2.0 conditions) on zirconium (Zr) loading by hydrothermal synthesis was investigated. a) Interpret how the pH increase changes the SBA-15 regular pore (Crystal) structure according to the XRD behavior. b) Which sample has the highest total pore volume? What is the adsorbed mmol/g solid amount?) c) Which sample has the highest micropore volume? What is the adsorbed mmol/g solid amount?) d) Which of the SBA-15 structure features can you comment on in TEM images, please explain by showing them on the figure.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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In regular long pore channels XRD patterns with SBA-15 hexagonal opening, high intensity 100 in the low angle region and low intensity 110 and 200 hkl plane peaks are observed at Brag angles slightly higher than this plane angle. The following low angle XRD patterns, 77 K nitrogen adsorption isotherms (in mmol nitrogen/gr solids) and TEM images were obtained in the study in which the pH effect (at pH=1.0 and pH=2.0 conditions) on zirconium (Zr) loading by hydrothermal synthesis was investigated. a) Interpret how the pH increase changes the SBA-15 regular pore (Crystal) structure according to the XRD behavior. b) Which sample has the highest total pore volume? What is the adsorbed mmol/g solid amount?) c) Which sample has the highest micropore volume? What is the adsorbed mmol/g solid amount?) d) Which of the SBA-15 structure features can you comment on in TEM images, please explain by showing them on the figure. 100 nm 100 nm -SBA-15-2 SBA-15-1 -ZI-SBA-15-2 Z-SBA-15-T I 1.5 2 2.5 3 20 (") 0.5 3.5 (a) (b) 70 60 50 40 30 20 (c) (d) 100 nm 100 nm 02 0.4 0.6 PP. 0.8 Fie HRM ing AIS, AIS. to SAI52 d AI52 SBA-15-2-SBA-15-1+Z-SBA-15-2 +Zr-SBA-15-1 N, adsorbed amount (mmol/g) is
Transcribed Image Text:In regular long pore channels XRD patterns with SBA-15 hexagonal opening, high intensity 100 in the low angle region and low intensity 110 and 200 hkl plane peaks are observed at Brag angles slightly higher than this plane angle. The following low angle XRD patterns, 77 K nitrogen adsorption isotherms (in mmol nitrogen/gr solids) and TEM images were obtained in the study in which the pH effect (at pH=1.0 and pH=2.0 conditions) on zirconium (Zr) loading by hydrothermal synthesis was investigated. a) Interpret how the pH increase changes the SBA-15 regular pore (Crystal) structure according to the XRD behavior. b) Which sample has the highest total pore volume? What is the adsorbed mmol/g solid amount?) c) Which sample has the highest micropore volume? What is the adsorbed mmol/g solid amount?) d) Which of the SBA-15 structure features can you comment on in TEM images, please explain by showing them on the figure. 100 nm 100 nm -SBA-15-2 SBA-15-1 -ZI-SBA-15-2 Z-SBA-15-T I 1.5 2 2.5 3 20 (") 0.5 3.5 (a) (b) 70 60 50 40 30 20 (c) (d) 100 nm 100 nm 02 0.4 0.6 PP. 0.8 Fie HRM ing AIS, AIS. to SAI52 d AI52 SBA-15-2-SBA-15-1+Z-SBA-15-2 +Zr-SBA-15-1 N, adsorbed amount (mmol/g) is
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