How to purify gallic acid to get white crystals?

I have isolated gallic acid from triphala churna but it is light brown in colour.

11 January 2021 8,737 1 View

What is virtual photon field , how is it helpfull to explain the Lamb shift on hydrogen atom ?

It is known that the Lamb shift is the consequence of the interaction of the electron with its virtual photon field. What is the meaning of virtual photon field? And how is it helpful to explain...

03 December 2020 535 3 View

How to decide Courant number as solution progresses?

Hello, ##ANSYS, ##Fluent. I am using pressure based solver, implicit scheme, VOF method (solving steady state open channel flow), k-e-RNG, and Coupled algo. Initially, I assigned...

22 June 2020 3,591 21 View

Why olmesartan is not synthesized using enzymatic route???

is there any enzymatic route for synthesis of olmesartan??

15 April 2020 6,244 3 View

How to preform coarse grained MD simulation in Gromacs?

Hello everyone, I want to perform coarse-grained MD simulations in Gromacs, this is the first time I am doing this. so, I need guidance regard Gromacs usage and how to perform coarse-grained MD...

24 November 2019 2,793 5 View

Can anybody help me in finding dataset of plant disease?

I am doing my phd work on plant disease identification using deep learning. So i am searching for data set of plant leaves of soybean and wheat please help me.

19 September 2019 9,653 6 View

Rapid Publication Journals in the Field of Wastewater and Environment Engineering ?

Please Suggest The SCI Journals with rapid publication in the field of wastewater and environmental engineering.

17 January 2019 2,594 6 View

How to add a graphical data in MATLAB simulink?

i have some part of the data from which i can plat the graph. for example in the mean time of calculation i need a particular value from the graph i can retrieve it. so how can i insert a graph in...

19 September 2018 2,399 1 View

How much minimum enrich ChIP DNA is required to proceed ChIP-seq?

How much minimum enrich ChIP DNA is required to proceed ChIP-seq?

26 April 2018 8,191 5 View

Why do elastomers swell more than other polymers during the extrusion?

I performed some experiments on ABS and EVA and observed more swelling in the case of EVA material during the extrusion. Can anyone explain why it is happening?

04 May 2017 1,403 1 View

How do I increase the yield of my PCR product?

Hello, We would like to increase the yield of our PCR product. We are running a series of PCR reactions that is targeting ~1.1kb sequence. We begin each reaction with ~400pg of template DNA...

02 March 2021 4,029 3 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

How to prepare electrolyte of NaClO4 salt for Na-ion battery? Any problem with this salt?

Hello, I am trying to make anode for Na-ion batteries. I have no experience with preparation of the electrolyte for any batteries. NaClO4 salt are available and I am planning to use EC:PC as...

21 February 2021 8,132 1 View

I want to remove TiO2 and SiO2 coating from surface. any one can help me?

I want to remove TiO2 and SiO2 coating from surface. I think that i should use HCl and MgCl2 and an oxidation agent such as potassium nitrate, but i dont know in which propertion should these...

14 February 2021 300 3 View

Does any one have experience with Autoclavable cell culture media (RPMI 1640/DMEM)? Does it work well?

12 February 2021 2,958 1 View

How to determinate of molecular structure of salt into the liquid?

I need to determine the open formula of our complex, presumably consisting of sodium tungstate Na2WO4 and aluminum sulfate Al2 (SO4) 3. Our problem is that with an increase in the concentration...

11 February 2021 5,821 1 View

How do I change g/l into mM for bacto agar. I am trying to get the millimolar content of sodium and chloride percentage in bacto agar. How do I do it?

I am doing a salt tolerance-related experiment and for that I need to relate my salt levels to that in bacto agar. I don't want my salt concentrations to increase due to already salt content...

09 February 2021 4,158 1 View

References for relative humidity created by salt solutions at different temperatures?

I understand that the ability of standard salt solutions commonly used to produce a certain relative humidity (RH) in a closed space changes somewhat with the temperature. Where do I find data...

04 February 2021 7,370 4 View

Why does sodium metabisulfite generate turbidity when mixing with sodium hydroxide?

When I tried to mix a sodium metabisulfite solution with sodium hydroxide solution, the mixture solution quickly became turbid. Before mixing both were clear solutions. Please help explain the...

03 February 2021 8,075 2 View

I want to extract engine oil from a soil sample,please how much amount of anhydrous sodium sulphate am i going to add to 10kg soil?

Engine oil extraction from contaminated soil,10kg of contaminated soil+20ml of dicholoromethane+? of anhydrous sulphate

01 February 2021 9,509 1 View