What is the simplest method to deoxygenate water?

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What is the relation K factor of Scherrer equation and the shape of particle?

The Scherrer equation, in X-ray diffraction and crystallography, is a formula that relates the size of sub-micrometre particles, or crystallites, in a solid to the broadening of a peak in a...

06 July 2018 7,123 1 View

Does GO has its functional groups on the surface or edge?

For graphene guys, I was wondering if the functional groups decorated the basal plane of graphene oxide or the edge? I would say that there are some of edge and other on the surface, please...

05 June 2018 3,077 0 View

What is the most worst catalyst for CVD graphene?

According to your experience, please advise me about the worst catalyst (substrate metals) can use to growth graphene via CVD?

01 February 2018 805 6 View

How can we measure the thickness of the thin film using the atomic force microscope?

I created some films of graphene oxide using spin coating technique and I want to know how we can measure the thickness of these films using atomic force microscopy experimentally, or from 2D/3D...

10 November 2017 9,674 3 View

Do anyone have the soft copy of JCPDS card No.75-1621?

I am really looking for a soft version of JCPDS card No.75-1621 that is mainly to identify the carbon nanomaterial via XRD

08 September 2017 7,505 1 View

What is the optimal rpm of spin coating to get 10 nm Graphene oxide thin film ?

I want to use spin coating to make 10 nm of GO

05 June 2016 2,907 0 View

Which Graphite particle size is more suitable for producing graphene using Wet chemical method 20 or 150 Micrometer?

Graphene wet chemical method

01 February 2016 6,103 1 View

Can any help me to prepare 8 mol/L of Nitric acid?

I tried to prepare 10ml solution of 8 mol/L of Nitric acid as fellow Wt (mgm) = M* V(ml)* Mwt then Wt(gm)=8*10*63.01= 5040.8 volume (ml)=Wt/density = 5040.8/1.41= 3575= 3.57 L ( which is not...

01 January 1970 3,078 1 View

Is it necessary to deposit thin film on quartz to measure UV- transmission and absorption?

I was measuring UV-spectroscopy Transmission and absorption modes for thin film of graphene oxide on glass. and unfortunately no peaks have seen in results. I guess it's necessary to deposit thin...

01 January 1970 9,972 9 View

How can I tranfer Anodic aluminum oxide (AAO) layer from aluminum sheet in Electrochemistry to transparent Electrode?

I want to transfer Porous Anodic aluminum oxide (AAO) layer from aluminumthat has been carried by Electrochemistry to transperant electrode. with simple chemical approach.

01 January 1970 5,453 1 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,004 2 View

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?

09 August 2024 3,289 2 View

GC-MS retention index prediticon?

Hello experts, Does anyone know any free software about retention index prediction ?

08 August 2024 7,402 2 View

Is it true that $\det(V(A))$ may be only $\pm 1$, depending on $n$, for the last symmetric tridiagonal matrix $A$?

One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...

08 August 2024 6,690 1 View

How do I replace a file with a more recent version of a paper that was uploaded to ResearchGate?

The paper in question is "Interpolation of Nitrogen Fertilizer Use in Canada from Fertilizer Use Surveys". This paper was very recently published by Agronomy (MDPI). Agronomy has, in the last day...

07 August 2024 9,933 3 View

AUX gas reading problem on QE with full MS and PRM method in one run?

Dear QE-users, In the method where full MS positive mode and PRM mode are used, we always get an incorrect auxiliary gas reading (41 instead of 25). This only happens in this method; other...

06 August 2024 4,952 0 View

Aspen Plus Simulation?

Greetings When one is to perform Simulation or modelling of Pyrolysis of Biomass Waste materials using Aspen Plus software, and one has both the macromolecules breakdown (Cellulose, Lignin and...

06 August 2024 5,023 1 View

Absorption coefficient of methane?

Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?

06 August 2024 978 5 View

How can I inoculate a lyophilized anaerobic bacteria into the culture medium without an anaerobic chamber?

There are anaerobic gas pak jars and environment providers in the laboratory that provide anaerobic environmental conditions for the growth of anaerobic bacteria. However, there is no anaerobic...

05 August 2024 4,945 3 View