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heteropolytungstic acid-loaded MCM-41 molecular sieve

Based on

3 Articles
2014 Most recent source

Composition

Image only illustrates the order and placement of components as described in literature.

1

mesoporous silica MCM-41

MCM-41
Type Nano Material
Formula
Role carriers
2

dodecatungstophosphoric acid

12-tungstophosphoric acid 12-phosphotungstic acid heteropolytungstic acid tungstophosphoric acid Keggin polyoxometalate H3[PO4(W3O9)4] cluster phosphotungstic acid H3PW12O40 12-TPA HPWA PW12 TPA PTA HPA WPA PWA HPW
Type Single Compound
Formula H3[PO4(W3O9)4]
Role loaded material

Properties

General physical and chemical properties

Property Value Nanomaterial Variant Source
acidity

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Catalytic properties

Reaction Value Nanomaterial Variant Source
Biginelli reaction

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Applications

Area Application Nanomaterial Variant Source
catalysis

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Characterization

Method Nanomaterial Variant Source
infrared spectroscopy

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Preparation

Method 1

Type: Physical formation
Source:
Starting materials
  1. MaEh6YWPv9AQALBL
Product

heteropolytungstic acid-loaded MCM-41 molecular sieve

Pore width: 3.13 nm

Medium/Support: none

Method 2

Type: Physical formation
Source:
Starting materials
  1. 7CngAza2A4y3yO
  2. 92MX7gSg
Product

heteropolytungstic acid-loaded MCM-41 molecular sieve

Pore size: 2.75 nm

Medium/Support: none

Method 3

Type: Physical formation
Source:
Starting materials
  1. bp4IrHvZxrQqji
  2. zggBA5OX
Product

heteropolytungstic acid-loaded MCM-41 molecular sieve

Pore size: 2.72 nm

Medium/Support: none

Method 4

Type: Physical formation
Source:
Starting materials
  1. MNC8IjCsQjJVZJddTc7GyD
Product

heteropolytungstic acid-loaded MCM-41 molecular sieve

Pore size: 3.069 nm

Medium/Support: none

Method 5

Type: Physical formation
Source:
Starting materials
  1. RYE44HCPUsoVgk
  2. Kg5ZeVj4
Product

heteropolytungstic acid-loaded MCM-41 molecular sieve

Pore size: 2.73 nm

Medium/Support: none

References

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