Mohamed E. El-Halwagy

7 Questions 8 Answers 0 Followers

Questions related from Mohamed E. El-Halwagy

Is there ia a remarkable reaction between Ammonium molybdate and 3-Aminopropyltrimethoxysilane?

Ammonium molybdate at pH approximately 1.2 reacts with silica and any phosphate present to produce heteropoly acids. My question is regarding the possibility of having this chemical reaction with...

01 September 2020 9,675 0 View

How to convert heterogeneous sodium carboxylate form to a free carboxylic form?

I am preparing a heterogeneous adsorbent for heavy metal removal. the main active group was the carboxylic group. during preparation, the catalyst was treated with aqueous sodium hydroxide for a...

09 January 2019 6,960 9 View

After preparation of Amino chalcones through Acylated Amino Acetophenone & benzaldehyde followed by base hydrolysis the product is gummy, suggestions?

After preparation of Amino chalcones through Acylated Amino Acetophenone & benzaldehyde followed by base hydrolysis the product is gummy. i want to know - if this is the nature of amino...

13 March 2018 9,682 4 View

Preparation of poly(3-aminobenzoic acid)?

I need support in preparing poly(3-aminobenzoic acid). I have come to the traditional method of using hydrochloric acid with ammonium persulfate at low temperature. unfortunately, the yield is...

01 January 1970 5,274 9 View

Does the dye degredation reaction with H2O2 over a heterogeneous catalyst can follow a zero order with respect to dye?

01 January 1970 3,537 4 View

Functionalization of purchases Silicon dioxide with (3-aminopropyl)triethoxysilane (please read the details)

I bought ultra pure silicon dioxide (Silica) from lobe chemie. many trials have been carried out to functionalize the silica surface with (3-aminopropyl) triethoxysilane. I tried to operate the...

01 January 1970 566 3 View

I need to make amino-functionalized silica, is there is any linker other than silane coupling agents?

'references are highly appreciated

01 January 1970 7,227 4 View