What does this phrase means, "0.5M in sulfuric group of poly(4-styrenesulfonic acid) (PSS)"?

I dont understand how to prepare the solution because i dont understand what does it mean, and i dont know the conc. of the PSS stock solution.

31 December 2018 2,181 1 View

Is there a free pogram to analyze the .pro file with profiling also from alpha step 500 as the main software is not free?

trying to analyze data at home while not in the lab

05 June 2018 8,276 0 View

What is an optimum parameter to C coat MO on glass substrate for SEM?

Using JEC 560 auto carbon coater 3KPa , and 30 s I think its a bit too long.

04 May 2018 9,555 2 View

Need advice to cut cross section of porous film on FTO for SEM. Sample came off when cut with glass cutter, no sample seen at edge of cut FTO. Help?

Cross section cut of porous sample /FTO scratch off sample from the edge of the FTO making it hard to check in SEM. Need help to cut it so the film stays on the edge of the cut.

31 December 2017 9,636 0 View

Can I freeze a CoPi/ metal oxide in N2 before cutting it cross section for SEM?

Planning to do it this way, but cannot help worrying about possible changes that will happen to Co-Pi coating.

31 December 2017 5,110 2 View

Do I mix the binder into ultra-sonicated powder immediately or wait for 2-3 hours to settle then mix supernatant with binder, and then stir it ?

Plan to make a paste but confused if we should wait for the sonicated powder to settle first and add binder to only the supernatant, or do we just add binder to the ultrasonicated powder...

07 August 2017 8,755 0 View

What paper have these ingredients: tungsten isopropoxide , acetic acid, ethanol and distilled water to synthesis WO3?

looking for a research paper synthesizing WO3 with the above ingredients.

05 June 2017 1,467 0 View

Can i add dispersant after precipitating metal oxide from addition of alkali and acid to metal oxide NP (chemical deagglomeration)?

31 December 2016 5,938 6 View

How to find concentration of solution based on solid content. The solution is made of synthesized powder suspended in liquid?

31 December 2016 7,328 2 View

Can 1- nonanol, acetyl acetone and triton X-100 be put in the same medium?

its for thin film paste making.

31 December 2016 7,819 5 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 View

What thickness need for ITO to use as conductive layer?

I want to do RF sputtering of ITO on glass substrate using magnetron sputtering. what thickness do i need to make it good conductive layer to use it for PSC. Moreover, whats about thickness of...

01 March 2021 395 3 View

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 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

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

How to troubleshoot Electrochromic Films and Electrochromic Devices?

I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...

23 February 2021 9,592 2 View

Can't recognize exact phase and PDF card no of Silicon carbide in XRD?

We have deposited silicon carbide on carbon substrate using one PVD technique. Due to amorphous behavior of SiC at low deposition temperature, we performed heat treatment of those films at...

22 February 2021 2,072 3 View

How does elongation affect the resistance of an electrode?

What are the testing rate for electrodes recommended by ASTM for cochlear implants. I am currently doing the 15mm/min elongatio testing.

22 February 2021 1,515 1 View