What is the better solvent to dissolve 1 mg of plant extract have phenolic compound?

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What solvent of ethanolamine dissolved in?

i try to prepare 3 %wt of ethnaolamine ? i will take 3 ml of 99% pure 98% ethanolamine ? what solvent used to put 3 ml in it?

01 February 2019 1,547 3 View

If the plant extract sensitive to temperature and can be degrade ?

i try to synthesis nano particles using green synthesis but the temperature surround 100 C and i notify the color change which indicate the nanopaticles formation but i read in the literature...

01 February 2019 7,167 7 View

What is the refractive index of benzyl alcohol?

what is the refractive index of benzyl alcohol 99%? i will measure the sample through zeta sizer but the solvent did not exit in the library of the machine?

01 February 2019 6,446 4 View

What is the wrong in this spectrum ?

i have this spectrum but i think the peaks look wrong??? can any one help to investigate this? plus i should get spectrum on 265 nm ? is this consider near ?

01 February 2019 8,403 1 View

Why their is no change in color?

i try to synthesize platinum nano particles from hexacholoplatinumic acid with plant extract? it should change the color after few minutes from pale yellow to brown ? but with no change in...

31 December 2018 8,493 11 View

What is the kind of surfactant should used ?

Salami doctors i will synthesis platinum nanopartcles using green synthesis but i try to put to of them on each other with no change of color i read in literature that using of surfactant is...

31 December 2018 6,211 6 View

What is better concentration in green synthesis of metallic nanoparticles of plant extract?

i have plant extract and i dried it and get mass in gram after evaporation the solvent, now i want to synthesize metallic nano particles but how much mass in g, mg should dissolve in which solvent...

11 December 2018 6,688 3 View

What is the dilution factor?

salami researcher i dissolve 100 mg of plant extract in 5 ml of distilled water what is the dilution factor? thanks

10 November 2018 8,792 4 View

How can I determine the final concentration of an extract after concentrating by a rotary evaporator?

i will try to drying plant extract using rotary evaporator and i will get weight but to how much i should diluted the sample after drying how i can calculate the dilution factor and what i should...

09 October 2018 5,918 12 View

Can i used extract directly outwith drying ?

i try to use plant extract in green synthesis of nano particles but i read in literature that i don't need to dry the sample and use the extract as it? but i read in other paper that for further...

09 October 2018 2,549 6 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

What are the most reliable approaches to extract key continuous frames from a video, with complete automation?

I have an input video, of skin (from a microscope that means it is magnified such that blood capillaries are visible). The idea is to extract 15 sec of continuous frames from a video of 1 min,...

02 March 2021 2,735 2 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

Which is the best place in the world for the plant biotechnology research?

I am searching for a good place for the Post Doc,

02 March 2021 4,053 3 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 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

Which bacteria are suitable for quorum sensing screening?

I want to find a quorum sensing inhibitor from plant extracts. Klebsiella pneumoniae, Moraxella catarrhalis, Staphylococcus aureus, and Streptococcus pneumoniae. I looked for these strains...

01 March 2021 7,675 3 View