يتضمن هذا البحث طريقة اصطناع وتوصيف مجموعة من الحفازات SBA-15-SO3H بطريقة التكاثف المشترك مختلفة عن بعضها بحجوم وأقطار مساماتها .
No English abstract
References used
Ryoo,R ,joo, S H , Kruk <m& Jaroniec, M (2001) Ordered Mesoporous Carbons. Adv Mater . Advanced Materials, 13(9). 677-681
ZnCo2O4 spinel was successfully prepared via co-precipitation
process starting from corresponding metal chlorides in aqueous
solutions at pH=13. Different calcination temperatures (400-500-
600-700-800-1000oC) and different Zn:Co molar ratios (1:2
Zinc Chromate was synthesised by Co-precipitation
method, The synthesised samples were characterized using
X-ray powder diffraction technology (XRD).
Set temperature synthesis at 250 ℃ .
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as aerogel and xerogel using multiple precursors and different
drying technics. Some of these samples were prepared from
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Our research aims to prepare ZnFe2O4 system by
CO-precipitation method in aqueous solution,starting from the
raw materials, and then studying its structure and properties .After
finishing the preparation period, we divided the precipitate in two
The purpose of this study was to prepare prolonged release tablets of verapamil: matrix and coated tablets, because of the importance of these systems in drug delivery and improving the patient compliance and therapeutic efficacy .Different formula