Why Phosphating is detrimental on a Chromated cold rolled material?

More Soumendu Monia's questions See All

Can I use two primary antibodies produced in the same species in immunohistochemistry?

I would like to visualise two proteins at the same time but the two primary antibodies I have are both produced in rabbit. I thought of first incubating a primary antibody and then an anti-rabbit...

10 October 2023 6,451 3 View

Protocols for ICP-MS analysis?

Hello scientific community I am looking please for protocols for Cd (and other trace elements) determination in phosphate rock and mineral fertilizers using ICP MS and microwave for samples...

05 June 2023 3,735 2 View

Is there a way to edit the citations using the MENDELEY PLUGIN FOR WORD, to sort the bibliography by the FIRST author and then by year?

I've used the CSL Editor, but if I sort first by author and then by issued, the program sorts alphabetically considering all the authors and then the year

20 March 2020 555 4 View

Macrofauna-Can you tell me what species this is?

Can anyone identify this species? It's from a temperate lagoon located in the southern part of the Po River delta (Italy). Many thanks, Monia

03 March 2020 10,312 5 View

How to model a volumetric reaction rate inside porous media with variable porosity?

Hydrodesulfurization in packed beds takes place according to the following general reaction: Sulfur Compound (ArS) + 2H2 --- H2S + Aromatic (Ar) The kinetic rate is given by: rHDS = (−KHDS)...

27 June 2018 1,980 13 View

How can I control the growth of CdSe quantum dot during hot injection synthesis?

we are facing a problem with hot injection synthesis of CdSe QD. Every time after synthesis we are getting a small hump in the blue region with the expecting emission maxima and after over...

01 November 2015 7,279 6 View

How can I purify CTAB?

How can i purify CTAB??? actually after recrystallization of CTAB in ethanol/water mixture at 4oC when i am going to filter it,its again dissolving..

25 March 2015 1,550 4 View

What do you think about the energy efficiency of thermo-stone?

Thermo-stone is a material that has an interesting thermal coefficient, while its inertia is low.What do you think about this material in point of view of energy efficiency?What about your...

31 July 2014 8,583 8 View

Can aluminium be selectively etched compared to aluminium oxide?

Aluminium etching mechanisms involve formation of aluminium oxide using aluminium etchant. Yet, if we want to selectively etch aluminium, can some recipe be made for that? Is it possible the other...

25 May 2014 9,807 3 View

Why is oxide incorporated when we do pulsed dc reactive sputtering of Aluminium nitride?

We are trying to deposit Aluminium nitride using pulsed dc reactive magnetron sputtering with pure Aluminium target. However, when we perform EDS analysis of the sample, we are getting 15-20%...

14 May 2014 1,886 18 View

Adhesion strength of coating?

How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...

10 August 2024 942 3 View

How do I conformally do PR spin coating on trench structure?

I did PR spin coating on trench structure. I used AZ P4620 PR and the thickness or PR is around 11um. The substrate is Si. And my trench structure depth is 141um(negative way). Even though I...

08 August 2024 2,298 0 View

Why do i have a weak plasma and no coating during rf sputtering?

I have been getting a low plasma and no coating while doing rf sputtering of copper doped ZnS using a power of 140 watts and at pressure of 6.5x10-3 Mb.

07 August 2024 4,526 4 View

What is the reason I get 400nm nanoparticles using an extruder with 200 nm membrane for cell membrane coating?

I am trying to coat my micelles and PLGA based nanoparticles with cell membrane using an Avanti mini extruder according to literature . I use 200nm membrane but my particles end up to be 400nm And...

30 July 2024 3,294 3 View

What is the right voltage sweep direction for characterization of HER kinetics?

In general, when performing a Tafel analysis for corrosion resistance measurements, a line voltage scan is performed from say -250 to +250 mV vs. OCV at low scan speed around 0.125 mV/s. However,...

25 July 2024 7,982 3 View

What is the main used curing agent for epoxy based coating?

I am trying to coating metal oxide into steel substrate, for better sticking planning to utilse epoxy based, Could you please suggest suitable curing agent for the coating purpose

25 July 2024 438 3 View

How do you get pure primary macrophage cell culture?

I have been harvesting monocyte-derived macrophages from buffalo and cattle fresh whole blood using the same protocol for years and getting good macrophage cultures. Below is the protocol that I...

23 July 2024 4,074 2 View

Is there a good macro photography kit for on-site metallurgical investigation?

I am looking to purchase a photography kit for onsite metallurgical investigations, such as capturing photos of worn areas, hot tears, cold tears etc. Could anyone suggest me a good...

22 July 2024 3,490 2 View

Appearance of crystallization peak in heating cycle of DSC test?

For which types of polymers, the crystallization peak in heating cycle of DSC test can be observed and for which types cant? In another word, when this exothermic crystallization can be observed...

18 July 2024 348 3 View

Issues in coating of cathode material on Al foil, why we are not getting proper coating and results when the cathode was coated on Al-foil..?

We are trying to coat some cathode materials on Al-foil ( ex - LiFePO4 , S@CNT, etc). When we coated the Al foil with the cathode (ex - S@CNT) material , the cycling result was annoying. But the...

09 July 2024 5,123 4 View

Raghd Muhi Al-Deen Jassim

there are several other materials that can be used in preference to Phosphate 1) Epoxy primer or Zinc Rich Epoxy Primer. 2) Waterborne non-toxic primers. 3) Etch primer (wash primer) but the industry is trying to eliminate this type of product due to the Chromate content

Leandro Aquino

Because the diffusion P is more quickly the material, embrittlement the material