How de we calculate degree of sulfonation for Nafion 117 as solution

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Can we use Samples from Blood Culture bottles for RT-PCR?

We performed PCR with blood samples and blood culture bottles to correlate the significance of the sample type. As a validation run, we used samples from K2-EDTA containers and blood culture...

29 January 2023 4,422 6 View

What might be the reason if plasma is not coming during RF sputtering?

Actually, I'm having two ZnS targets, one is with Cu backing plate and another one is without backing plate. Previously I'm using ZnS target without backing plate [total thickness- 3mm], it was...

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GE is formed in palm oil at temperatures above 230C. How can we achieve lower levels without sacrificing the other oil quality parameters?

Glycidyl Esters are said to form from Diacyl glycerides when processed at deodorizing temperatures. Palm oil normally has to be degummed and bleached before it is deodorized. What would be the...

03 March 2021 9,407 1 View

Interference on MOSH MOAH readings when Food Grade lubricants are used?

What is the content of MOSH/MOAH in food grade lubricants? Does the use of food grade lubricants have an impact on the analysis results for MOSH/MOAH in refined edible oils? We added several ppm...

03 March 2021 7,975 1 View

What is the typical MOSH and MOAH content in food grade lubricants?

With the call for lower MOSH and MOAH levels in edible oils, there is a push towards using Food Grade lubricants. What is the content of MOSH/MOAH in food grade lubricants?

03 March 2021 2,084 1 View

How is MOSH and MOAH content in refined palm oil determined?

Is there a more direct method for determining the Mineral Oil Saturated Hydrocarbon content and the Mineral OIl Aromatic Hydrocarbon content in refined oils. The existing method seems to be quite...

03 March 2021 8,146 2 View

How to prepare NMR samples during CO2 electroreduction ?

Hello everyone, Here, I am working on an area of CO2 electroreduction. Regarding, prepare NMR samples during an electrocatalytic reaction of different potential with a certain time.is that...

31 August 2020 7,889 1 View

Which SNP pathogenesis validation tools is best for selecting SNP to further studies?

I have seen several validation for the SNP entries in ensembl genome browser and other tools like PolyPhen2, Panther, SIFT, PredictSNP etc., are available. Which prediction will be much helpful to...

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What are the different ways for extracting features from ECG signal based on image processing techniques?

I want to categorize the heart diseases. For that, I want to know the features of different heart diseases and how we can extract that features from ECG signal images. if anyone knows kindly give...

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Data signal through a twisted pair cable by using different color codes will work ?

will a Data signal through a twisted pair cable by using different color codes will work ?. I am using a shielded twisted pair cable for my Mod bus device. Instead of same color pairs for Data...

02 May 2019 6,595 3 View

How can we test a Nafion membrane ?

we have a nafion 117 membrane and we want to know if it has the properties claimed by the sellers. what are the tests available ?

13 July 2024 503 1 View

How can we determine the formation of N-oxide , sulfoxide or sulfone using spectroscopy?

I have a molecule having N and S atoms, applying oxidation methods gives me 3 spots on TLC, how can I I determine the pr sence of N-oxide, sulfoxide or sulfone in it?

09 November 2023 8,572 1 View

Alexa488 synthesis-how easy it is?

Can anyone help sharing a robust method of sulfonation for the last step of Alexa488 synthesis? It seems quite tricky. I appreciate your help of any suggestion.

17 September 2023 3,200 0 View

Is there a way to fix the following error in CGenFF: "attype warning: unknown sulfur type not supported;skipped molecule"?

Hello! The protein of my interest has a covalently bound inhibitor, which is a sulfone compound. I am currently trying to prepare all the files necessary for the MD simulation and use CGenFF...

03 September 2023 6,994 3 View

Nafion or nafion resin to make coating for electrodes?

Hello everyone! I am here to ask a question again. I am going to start making coating for my electrodes and I know that, for this, I need nafion. However, when I search for this product, sellers...

22 June 2023 6,338 7 View

Something brown passed through my Nafion-117 membrane. Is it normal?

Hello, I'm currently doing experiments on microbial fuel cell. I am using two interconnected chambers (anodic and cathodic) for my mfc, separated by a Nafion-117 membrane. As the catholyte, i...

22 May 2023 6,599 0 View

What is the brown color that goes into the anode compartment of the membrane on a dual chamber mfc?

Hi! Now, I am doing my research about dual chamber MFC. In the cathode, I use a mixture of potassium permanganate 30mM and PBS 0.1 M. To separate the anode and cathode space, I use PEM Nafion 117....

20 May 2023 8,506 0 View

Synthesis of silver attached Polystyrene Sulfonate material?

How can we synthesize the silver attached/immobilized polystyrene sulfonate resin? Is there any well-known protocol and/or recipe? I will be much grateful if any articles specific to this...

11 March 2023 1,222 0 View

Can we use mild steel lead-lined reactor for phenol sulfonation with concentrated sulfuric acid?

Phenol sulfonation will be carried at around 105 degrees celsius with concentrated sulfuric acid.

13 January 2023 9,435 4 View

Analysis of alkyl (ether) phosphates & alkyl (ether) sulfates?

After our published paper about the quantitative purification of alkyl carboxylatic acids via ion exchange, we would like to expand this investigation to alkyl ether phosphates and alkyl ether...

30 December 2022 9,057 0 View