Can the crystallinity of a polymer be changed without adding nucleating agents ?

I was working on a project where I had to work with isotactic PP (Repsol isplen g3e 002) and extrude different films with different levels of cystallinity without using any nucleating agent. So I...

10 July 2019 6,147 3 View

How to estimate the potassium sulphate in the organic fertilizers ?

Dear Experts, kindly suggest me a best method to estimate the percentage of potassium sulphate in the organic fertilizers.

09 April 2018 1,656 12 View

What is the major difference among charcoal, graphite, graphene and activated carbon?

Graphite is 3D Graphene is 2D charcoal and activated carbon

04 April 2018 5,609 4 View

How can I prepare pure NiO oxide from Ni2O3 black nickle oxide??

Is there any simple heat treatment steps? or should I follow any chemical methods?

05 December 2017 2,453 4 View

Is there a way to make Copper- CNT Composite ?

I'm trying to increase the ampacity of copper by adding CNT. Is there a Way to make copper - CNT matrix

14 September 2016 2,120 3 View

Does it possible to prepare the metal sulfides thin films, particularly the substrate temperature fixed at 400 c?

28 August 2016 5,245 1 View

Epperndorf biospectrophotometer vs. Nanodrop?

Can someone tell me if epperndorf biospectrophotometer with micro cuvette is really better than Nanodrop in nucleic acids quantification, even for small concentrations?

16 March 2016 9,458 5 View

Any suggestions on HLS synthesis of MATLAB code ?

Can anyone refer me a good link for hardware synthesis from matlab programme.. How to genetae valid C code from MATLAB and use it to genrate RTL synthesis report using VIVADO HLS Tool.

17 February 2015 9,314 4 View

Is anyone working on AMC (Artifial Magnetic Conductor)?

I have just started to work on AMC In CST Microwave studio. Can anyone tell me how to simulate this structure in CST TOOLS for a single patch? Your answer or suggestions are most welcomed.

12 February 2014 3,547 1 View

Why does the PMC surface not allow phase reversal of an EM wave ?

I'm very confused about when the Perfect Magnetic Conductors EM waves hit the surface but the electric field does not change phase in reverse. I don't know what concepts is behind this. Could...

12 February 2014 7,083 1 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 View

Can water be extracted from Olivine?

I have always been interested in geology and wondered about how unique structures of materials behave in different circumstances. I stumbled upon Olivine, the magnesium iron silicate, and heard...

28 February 2021 7,330 4 View

How does charge on working electrode changes with rising potential?

During performing CV of a GCE or modified GCE, we rise the potential in the first half of the cycle and reduce it in reverse half. During the first half, what is the nature of charge on GCE or...

25 February 2021 7,994 3 View

What is the detection limit of ED-XRF technique for transition metals in silicon ?

Hi everybody, please, can someone tell us if the transition metals (W, Fe, Ni, etc ...) in silicon destined for solar cell manufacturing can be detected by ED-XRF technique. Note that the...

18 February 2021 6,231 4 View

Onset of Photo Oxidation in Polymers?

Hi! I am looking for some specific information in regards to the minimum amount of UV intensity required to begin the photo degradation process in polymers. I understand each polymer is...

15 February 2021 7,703 4 View

Passivation of chromium cast Iron in high temperature?

14 February 2021 2,157 3 View

Why ICP-MS test for Teflon filters that collected PM2.5, show really high results in the millions of ug/g ?

I analyzed soil and ash samples using ICP-MS for 28 metals, then I resuspended those samples to collect PM2.5 particles in a filter using a selective inlet inlet. My only issue that Fe and Al...

13 February 2021 7,592 3 View

How to interpret different leached phases of metapelites?

Extraction of three different phases of metapelites, mostly phyllites as the Carbonate phase, Fe-Mn Phase, and Silicate phase has been obtained. After doing ICPMS, different results have evolved....

11 February 2021 5,198 10 View

How can I take subsamples of water from a larger sample in a way that allows me to measure the iron content of the subsample?

I learned how to take subsamples with a magnetic stir bar, but I noticed iron particles stick to the bar, and I am having trouble finding a standard method to solve that problem. How can I take a...

04 February 2021 4,778 1 View