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Questions related to Liquids
Hello! A colleague recently used a photomask for standard negative photolithography and some liquid photoresist solidified on the mask. Does anybody have recommended cleaning techniques? Would you...
16 October 2020 1,004 2 View
Soft agar experiment: I noticed overnight after plating upper layer, agar becomes thinner, almost liquid. Is not normal or not? Are ther techniques to prevent it? And bottom layer after 21 days...
15 October 2020 4,917 1 View
What kind of crucible is suitable for the synthesis of cement; if the compacted pallet is being transformed into a liquid, at a temperature of 1500 deg C?
10 October 2020 3,604 6 View
I am simulating three phase flow through trickle bed reactor and want to predict the accurate liquid holdup distribution within bed and also looking towards the study of wetting efficiency. Please...
06 October 2020 4,438 3 View
Hi everyone, I am currently simulating a slug flow in the 3D, 3 inches pipe geometry as prescribed in the attached research paper. I am using Ansys Fluent. The problem is, when I get results,...
06 October 2020 7,057 3 View
I am trying to simulate the two miscible liquid inside a chamber by using Ansys Fluent. One fluid is water and another one is ethyl-acetate. I have defined the region for ethyl-acetate at t=0...
02 October 2020 4,036 4 View
I'm familiar with how concepts such as the latent heat of fusion and vaporization work for a system consisting of a single phase-changing gas. q = mH, q=mc dt, all that fun stuff. I'm not...
28 September 2020 5,091 1 View
The instrument used is Nicolet™ iS™ 50 FTIR Spectrometer. We used liquid nitrogen cooled MCT/A detector and DTGS KBr detector to measure the same coated ZnSe sheet, and the results vary widely.The...
27 September 2020 4,116 1 View
is there any specific equation to calculate the linear refractive index at different wavelengths of the liquid sample from the UV-Vis spectrum? thank you
23 September 2020 6,013 4 View
Dear Homemade liquid fertilizer derived from manure or organic waste, how we can make it for laboratory experiments. Is there any scientific method/ or papers to produce this product (with...
23 September 2020 3,749 8 View
I have a liquid compound. The volume is 100uL. On the vial of this solution is mentioned 1mg. On the data-sheet is mentioned 10mg/mL. I want to make 1ug/mL of stock solution in ethanol. How much...
22 September 2020 5,042 1 View
Dear Experts, Contact angles close to advancing or receding angles are not thermodynamically stable and may relax to the most stable angle during vibrations. Relaxation of the contact angle...
16 September 2020 8,662 4 View
Hello fellow researchers, I am trying to optimize the wetting procedures of microfluidic devices before using them as neuron and muscle culturing platforms. We have PDMS microfluidic devices with...
14 September 2020 2,043 6 View
Hi, I will be quantifying the protein-protein interaction using the β-Galactosidase liquid culture assay with ONPG as substrate. I am following the Clonetech's yeast protocols handbook...
11 September 2020 1,128 3 View
I've been regularly doing plaque assays for a few months using lambda phage to establish the phage titer. It took some time to get the assay to work, at first we didn't dilute sufficiently so we...
26 August 2020 2,090 6 View
I am working with synthesis of MoS2 material from TMD family, with CVD oven. When using liquid precursor a droplet from pipette dries pretty fast, but the results is very un-homogeneous density of...
18 August 2020 7,292 3 View
Is there anything I could add in small amounts to a supersaturated glucose solution, for instance glycerin, to prevent glucose sugar crystals from precipitating out at room temperature (60-75...
16 August 2020 8,528 5 View
If we distill a binary mixture then it reaches a certain point where the composition of the liquid and vapour are same. At this point If we take the mixture in an open vessel and heating for some...
08 August 2020 289 5 View
For calculate the surface energy we use the Owens - Wendt approach based on Young's equation: γS = γSL + γL cosθ, where γS is the surface free energy of the solid in mJ/m2, γSL is the...
04 August 2020 1,794 11 View
I am currently starting to study vibration of liquid surfaces and need to calibrate the response of Bruel kjaer 4808. Does anyone know how to get the output amplitude/freuquency response against...
04 August 2020 7,963 3 View
I'm trying to dissolve HA in PBS or cell media, 20 mg/ml, but gets inconsistent viscosity on my solutions. Some samples are very viscous while others are very liquid. The HA functionalized with a...
01 July 2020 4,311 3 View
Thermal hysteresis in liquid solid can be defined by undercooling. I am looking into thermal hysteresis in gas liquid phase transition.. is that possible? I cant seem to find any literature on this
24 June 2020 3,936 7 View
Hello everyone, i need to calculate the activity coefficient 𝛾𝑖 in order to calculate the mole fraction of a component in vapour phase from a given mole fraction of the component in its liquid...
19 June 2020 2,174 6 View
I need to know the difference between porosity measured by water saturation and for example by fuel oil or any other liquid
07 June 2020 3,598 5 View