ZSM-5 type molecular sievehigh silica type zeolite for catalyst material
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Post Date:
Sep 07,2020
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Expiry Date:
Oct 07,2020
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Detailed Description:
Cas No. :69912-79-4
Quantity: 1Kilograms
Specs:SiO2/Al2O3, 20~1000
Price:3.99 USD Kilograms
Payment Method: L/C,T/T
ZSM-5 type molecular sievehigh silica type zeolite for catalyst material
The ZSM-5 type zeolite produced by means of a template agent free hydrothermal crystallization method is featured with high relative crystallinity,wherein the relative crystallinity is no less than 90%,the SiO2/Al2O3 molar ration is no less than 25,and the Na2O is no more than 0.1%.
ZSM-5 Quality Control Targets
Item
Unit
Max
Typical
Max
Analytical Method
Relative crystallinity
%
90
93
X-ray diffractometer
Total specific surface
m2/g
320
360
N2 Adsorption
Microporous specific surface
m2/g
270
280
N2 Adsorption
Silica-alumina ratio
/
25
27.5
30
XRF
Na2O
wt%
0.040
0.1
Flame Photometric Analysis
SO42-
wt%
0.20
0.4
XRF
CI-
ppm
70
Chemical Analysis
LOI
wt%
10
Gravimetric Analysis
D,50
μm
6
9
Laser Scatter Distribution
D,90
μm
9.0
15
Laser Scatter Distribution
>100μm
%
0
0.06
Laser Scatter Distribution
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CAS Registry Number:
69912-79-4
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