Why cellulose acetate leave whiteness when it dip into water?

21 May 2023 0 8K Report

I used to dissolve it in acetone and made a film but when I dip it in water white and opaque film is produced why??

Badges
Science topic

More Komal Sharma's questions See All

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

How does grain and grain boundary affect the ceramic when studying its dielectric properties?

I am not able to get good literature and the physics behind how first these grains and grain boundaries arises out of no where when we make a pellet to study its dielectric properties and then how...

07 August 2024 5,177 3 View

Reason for discontinuities in my Band structure?

Hey All! I am wondering what might be wrong with my band structure. I did the calculations using VASP and plotted the results using Origin. Although I have tried changing various input...

25 July 2024 2,920 11 View

If my gene of interest has high GC content can it be problematic in sequencing? What kind of error is expected with GC rich gene sequences??

Gene sequencing related trouble shooting

25 July 2024 4,149 2 View

How to dispose off lipids waste?

I am looking for a lipid waste disposal method, keeping in mind the environmental, health and safety aspect of lipid waste. Could someone please provide guidelines or the lowest acceptable...

25 July 2024 637 5 View

What publications should I target as a psychology masters student in the UK?

I am writing a paper as a part of my course. I am new in London and was wondering that what publications should look upto?

21 July 2024 3,538 1 View

How effective has the United Nations been in addressing the conflict and its consequences?

After World War, we have seen the formation of the United Nations. The sovereign body for peacekeeping but with regards to the Russia-Ukraine war it is visible that the UN seems to be ineffective...

18 July 2024 4,674 4 View

What are the main obstacles to achieving a ceasefire or peace agreement between Russia and Ukraine?

It has been a quite long time since the Russia and Ukraine war has been going on and if we see the context of Geopolitics and International Relations we don't see a mediation between the two...

18 July 2024 6,737 4 View

How to decide whether the refinement is correct or not, based on Rwp and Rexp factors by Fullprof?

One of the papers I read by Toby, where (title of the paper was "R factors in Rietveld analysis: How good is good enough?"), he tells us that to get good chi square value, you must have low Rwp,...

17 July 2024 9,668 4 View

How to draw photon-magnon coupling color plot in origin?

Please help me in plotting the photon-magnon coupling plot as shown below

14 July 2024 1,632 1 View

Do we save MSMEs of the Nation ?

SMEs are backbone of the country's white economy, most of them are II generation entrepreneurs and migrated from family owned business policies, and having sufficient higher educations for...

01 August 2024 5,562 2 View

Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?

Hi, researchers, Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?

29 July 2024 4,570 0 View

In terms of chaos, what is the necessary and sufficient condition for authoritarianism, permanent or temporary, to come to exist and persist?

Since 2016 Brexit, the world needed to change the thinking behind traditional democracy as the democratic landscape changed, yet traditional democratic thinkers and actors have been acting as if...

28 July 2024 6,515 1 View

Dear colleagues, Can anybody by chance have pdfs of two books in Chinese: Liu (2003) and Zhang et al. (2004)?

Liu Zhaosheng. 2003. Triassic and Jurassic sporopollen assemblage from the Kuqa Depression，Tarim Basin of Xinjiang，NW China. Palaeontologia Sinica， New Series A，no. 14（Whole no. 190）....

28 July 2024 6,390 1 View

Does anyone know the scoring and interpretation for Psychological Birth Order Inventory (PBOI) of White Campbell?

Hi, I am currently a upcoming 4th year student who is need of your help as I couldn't find any accessible file for the manual scoring and interpretation for the PBOI - White Campbell. My group and...

23 July 2024 2,269 1 View

I ask Chinese seismologists to inform me: who should I contact to create a joint Forecast Center?

I ask Chinese seismologists to inform me: who should I contact to create a joint Forecast Center? I do not hide that the beginning of my work was connected with the successful forecast of the...

22 July 2024 2,276 1 View

Why my gel electrophoresis have shadow bands? Please see the attached picture for the gel electrophoresis ?

Sometimes I see the shadow like bands and its not true band. I want to know that what's the reason for it. I am using 2% gel for running genotyping samples I have uploaded the gel picture in both...

19 July 2024 148 6 View

How effective has the United Nations been in addressing the conflict and its consequences?

After World War, we have seen the formation of the United Nations. The sovereign body for peacekeeping but with regards to the Russia-Ukraine war it is visible that the UN seems to be ineffective...

18 July 2024 4,674 4 View

Can sulfuric acid be used to prepare anthrone reagent when it has oxidized and changed color in reaction to light?

Sulfuric acid has changed color to yellow.

16 July 2024 6,964 0 View

Why is effective targeted chaos more than emocracy?

Exism movements since BREXIT 2016 have been described as driven by emotions leading to the idea of Emocracy/Emocracies, but as the social discontent that is usually displayed after exism movements...

16 July 2024 3,701 1 View