What is the best concentration of graphite oxide for preparation of P25/graphene oxide composite?

More Amal Abdelhaleem's questions See All

What is the possible mechanism for decay of organic pollutants under sole PMS/dark process?

Dear All Please, I have an inquiry concerning PMS/dark process for degradation of organic pollutants. I noticed that the PMS/dark process can work for degradation of my pollutant at specific pH...

03 April 2018 8,581 13 View

What is the possible mechanism for PMS activation under dark with NaoH at pH=10?

Dear All I found that my pollutant can be degraded at pH=10 (pH adjusted by NaOH) under PMS/dark process. Please, what are the possible reasons to justify this phenomenon. Apart from base...

03 April 2018 6,348 4 View

Are there any compounds that can cause activation of sole H2O2 under visible light?

Dear All Please, are there any compounds that cause activation of sole H2O2 under visible light?

10 November 2017 6,802 2 View

What is the reason for the low activity of Fe(III) impregnated TiO2 compared to sole TiO2 under visible light?

Dear All Please, What is the reason for the low activity of Fe(III) impregnated TiO2 compared to sole TiO2 under visible light. Although the Fe(III) impregnated TiO2 led to a high shift in the...

09 October 2017 3,443 0 View

Why the acid is added during preparation of Fe-doped TiO2 using impregnation method?

Dear All Please, what is the reason behind the addition of acid during the preparation of Fe-doped TiO2 using impregnation method? I did not add acid during preparation, but the catalyst changes...

07 August 2017 2,121 6 View

What is the reason for activation of metal free catalysts in the presence of Peroxymonosulfate at alkaline pH 9.3?

Dear All What are the possible reasons for activation of metal free catalysts in the presence of PMS at alkaline pH 9.3. Although the catalyst will be negatively charged and the pollutant is...

02 March 2017 9,107 5 View

How to synthesize MnFe2O4/N doped TiO2 using sonochemical method?

Dear All Please, Can you provide me with a good reference for preparation of MnFe2O4(core)/N doped TiO2 (shell) using sonochemical method. I bought MnFe2O4 as a commercial material (60 nm) and i...

11 December 2016 9,132 0 View

How to synthesize MnFe2O4/N doped TiO2 Core shell using sol gel method?

Dear All Please, Can you provide me with a good reference for preparation of MnFe2O4/N doped TiO2 Core shell using sol gel method. Regards,

10 November 2016 6,077 0 View

Can I measure sulfate radicals using dimethyl sulfoxide ?

Dear All I want to measure sulfate radicals concentration using dimethyl sulfoxide. Please, can you provide me with a reference for measurement of sulfate radicals using dimethylsulfoxide. Regards,

10 November 2016 431 5 View

What is the concentration of salisylic acid for hydroxyl radicals measurement?

Dear All Please, i want to measure hydroxyl radicals generated during photocatalytic reaction using salicylic acid. Please, what is the suitable concentration of salisylic or it depends on the...

09 October 2016 4,421 1 View

What is the best conditions for formation Magnetite ore deposits?

I want to know more about Magnetite deposits.

06 August 2024 1,066 0 View

Binder for ZnO nanoparticles in graphite paste electrode?

I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?

03 August 2024 4,622 3 View

Why chloride turns into chlorine gas in a Downs cell?

I imagine the battery drives the graphite into a carbocation, then chloride is oxidized to donate the electron to the carbocation, but what pushes the lost electrons of chloride to be shared...

03 August 2024 5,384 0 View

Short Synthesis of Graphene Oxide from Natural Graphite Flakes?

I am in search of a modified Hummer's method, which can be used to synthesis graphene oxide within 6-8 hours. As I am a student it is not allowed for us to work after 5 in the laboratory. So I am...

01 August 2024 8,368 2 View

How can I separate graphene from amorphous carbon of similar particle sizes?

The starting material is a finely ground powder. Some particles contain more graphene than others.

30 July 2024 3,978 2 View

Culture fibroblasts with or without FGF2?

I'm new to primary human fibroblast culture and I'm studying aging using cells from old and young donors. Some research groups have used media supplemented with FGF2, so I cultured cells in the...

29 July 2024 3,030 2 View

What is the solubility of Iron (+3) in Bismuth Oxide?

Dear all: I am modifying Bismuth Tungstate with Hematite (Fe2O3), so I would like to know about how much Iron(+3) can form a solid solution in a Bismuth Oxide matrix. Best wishes Marco

29 July 2024 2,161 1 View

I obtain two plateu instead of one in LFP cathode assembled with graphite anode in 1M LiTFSI in DOL/DME, what does this mean?

I have attached the charging curve from the battery tester for review. I need help on what is happening

21 July 2024 6,896 2 View

A twin-shaft kiln or a rotary kiln for lime production 1 class? if compressive strength of limestone is low 60 MPa?

My research work is related to the calcination of limestone. I have a complex question and would like to consult with experts in this field. Could you please advise which kiln to choose (a...

18 July 2024 1,390 2 View

Is there any Impact of Interest Rate, Corruption Perception Index, and Economic Growth on Foreign Direct Investment in Developing Countries?

Is there any impact of the interest rate, corruption perception index, and economic growth on foreign direct investment in developing countries?

07 July 2024 769 7 View