Interdendritic phase coarsens during homogenization?

Hello Is it possible for the micro-segregation (non-equilibrium phases) coarsen during the homogenization treatment? There is an obvious reduction in the quantity, but some of the phases remained...

19 September 2020 4,985 3 View

Preparing ethanol standards for HPLC?

I need to prepare ethanol standards for HPLC to quantify the bio-ethanol in my sample of interest. What range of known concentrations would I have to prepare for estimating ethanol concentration...

15 October 2019 8,844 5 View

Quantitative data from a regular FT-IR?

Hi, ATR-FT-IR spectroscopy is being used for the quantification of a particular compound. Is it not possible to run a known quantity of a sample in a regular FT-IR and then compare the peaks...

22 August 2019 9,552 17 View

Can anyone help me with an SDS PAGE's image?

Hi, One of my colleagues has used a pre-cast, commercially available 10% separating gel for his SDS PAGE. Later, while interpreting the results, we observed a broadening of the marker lane...

14 August 2019 8,943 17 View

Grid size in material diffusion simulation - Physical significance?

10 October 2018 8,213 1 View

Chemical mobility from Darken's equation?

19 June 2018 8,585 3 View

Why 002 reflections are absent in spinel oxides (FCC)?

For example, magnetite (Fe3O4) does not contain 002 reflections but contains 004 reflections, though it has FCC structure. Is it because of the structure factor? In my case, I have an oxide that...

29 April 2018 2,053 4 View

What is the difference between graphene and carbon quantum dots??

both quantum dots have the same graphite structure with lattice spacing around 0.34 nm. how can we differentiate?

01 October 2017 3,107 7 View

Can anyone suggest a metal for photovoltaic cell other than gold, silver,and platinum?

To make a circuit in pv cell any metal I want to use as a electrode. For that anyone suggest me a metal other than gold ,silver and platinum.

10 December 2014 2,042 5 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Multi effect distillation modeling in EES?

Dear colleagues If anyone has a model of multi-effect distillation in EES or MATLAB software, please send it to me.

24 February 2021 7,282 1 View

Do you kow of any database containing data on retention time, log P and polarizability for a large number of molecules?

Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...

24 February 2021 2,602 1 View

How to seperate PEG-4000 from aqueuse phase ?

Hello everyone , Please tell me if It possible to seperat POlyethelyn glycol -4000 from an aqueuse media by other ways rather heating . I have tried salting out by electrolyte solution to...

22 February 2021 7,285 5 View

What is the best etching method for Mg-Ca alloy?

I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?

21 February 2021 2,558 5 View

How to dilute Toxin-DMSO solution?

I have a concentrated solution of a toxin(50 micromolar) in DMSO 100%. I need to dilute it inorder to dilute both the toxin and DMSO wich can be toxic to cells. Which would you guys recommend to...

19 February 2021 7,447 2 View

How to analyse monosaccharide compositions from soluble fiber?

I have tried to hydrolyze the sample using 2 M TFA at 100C for 24, 48 h and 120C for 2 h. From these conditions, the HPLC results showed that peaks were not separated into monosaccharide. I found...

17 February 2021 5,230 1 View

No title

Hello. I ask for help - I need to get lithium tetraborate (soluble salt) from lithium carbonate and boric acid. In literature, everything seems to be simple - mix, ignite and - it's done. But it...

16 February 2021 9,523 2 View