The visually perceived property of objects created by absorption or reflection of specific wavelengths of light. | Contact experts in Color to get answers
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Questions related to Color
I want distillation ethyl ether with benzophenone and sodium. However, as many as sodium and benzophenone I added, Turquoise color was not changed to deep blue or purple. How can I distill it?
02 December 2020 8,906 2 View
I'm producing a map with several habitat typologies (14) and it's a struggle to find a colour combination that would be fully colour-blind friendly. QGIS offers the possibility to check your image...
30 November 2020 1,615 3 View
Porphyrin solid is purple in color, what factors are responsible for purple color of the porphyrin?
30 November 2020 437 2 View
I would like to manipulate four different cells for confocal imaging in order to observing the endosytosis of a nano-scaled drug payload. The culture medium without phenol red is preferred. But...
28 November 2020 5,893 0 View
here is step from journal. 1. add 3g graphite powder in 70ml H2SO4. in ice bath and constant stirring. 2. add 9g KMnO4, after a while it become green 3. heat it to 40celcius for 30minutes, it...
23 November 2020 9,673 3 View
Hello everyone, Can anyone kindly explain what is mean by three different colours of cracks in RC beams in ANSYS APDL and the features of first crack (red colour outline) second crack (green...
18 November 2020 2,719 1 View
I got bright yellow coloured Schiff base after 6 hour reaction time. So i kept it for slow evaporation. Solvent was methanol. But after complete evaporation my product colour changes from yellow...
18 November 2020 4,035 2 View
Case: Hg2+ is adsorbed on a titanium carbide and 0.1 M HCl/HNO3 is used for the desorption of Hg2+. During the reaction, the solution turns into a pale yellow color. I want to understand what...
17 November 2020 5,931 3 View
In a physiology textbook treatment of reproduction, they describe the Corpus Luteum as yellow as a result of the color of cholesterol. Yet, pure cholesterol is white, and has no structures that...
16 November 2020 7,523 3 View
Hello, Has anyone had luck measuring LPS from human plasma? Which ELISa kit do you recommend? I am getting a lot of interference from color of the plasma. Thanks
16 November 2020 6,667 1 View
Is there any component in the YCbCr color space undefined in some cases? Like in HSV, the Hue plane is undefined when Saturation equals 0. Also, the Hue and Saturation are undefined when Value...
13 November 2020 1,663 2 View
I'm planning to use Benidict solution to do research on the amount of glucose in candy, but I'm not sure how to calculate the specific amount of sugar from the Benedict solution. Is there a way to...
11 November 2020 1,485 3 View
I'm interested in quantifying the output of a chromoprotein (amilCP specifically) in E. coli. I will be using this color output as a pseudo-quantification of the concentration of iron in the...
11 November 2020 2,931 1 View
I am currently designing a research proposal for isolation of dopaminergic neurones progenitors by FACs (after immunolabbeling for 3 different intracellular proteins). I wondered whether this...
10 November 2020 8,492 5 View
Hey all, My question is about the spectrophotometer. I am trying to read the % T of E.coli in MaCckonkey broth which has the color violet to Blue. I am asking at what wavelength should I be...
30 October 2020 354 1 View
I have synthesized NCQDs using citric acid and urea as precursors. The powder-color of the quantum dot after the freeze-dried is green; however, the color will change to black as stored at room...
30 October 2020 3,801 3 View
I am synthesizing Graphene Oxide from Anthracite Coal. Anthracite coal was first pre-treated with 30% HNO3 for 2 hours at 80 oC temperature. Then washed with distilled water several times until...
29 October 2020 8,168 1 View
Why the pink color will change to yellow, when the DMEM media is frozen? however after dissolution in room temperature, media color will change back into pink.
27 October 2020 1,010 2 View
Pomengranate, Fruit wall, degradation
13 October 2020 6,557 13 View
I have SEM image of cross section of multilayer thin film sample and need to represent the different color for different layer without losing its morphological information on the image. Is there...
09 October 2020 9,973 6 View
Hi there, Is it possible to convert between color scales like Lovibond, Gardner, Apha or the solutions mentioned in Ph. Eur ? I found descriptions of spectophotometers where e.g. EBC and SRM were...
08 October 2020 5,992 1 View
The tlc plate show pink, sky blue and purple color under uv light. is there any standard through which i can read that this color show this compound? and also there are some compounds which show...
07 October 2020 6,339 3 View
I have conducted an experiment of electroforming using stainless steel as a mandrel and nickel sulphamate as a solution using 1 L of beaker. The size stainless steel mandrel is 4cm x 13.5 cm....
06 October 2020 6,014 3 View
looking for some assistance.. how do you determine which MCF-7 cancer cells have been well cultured in flasks just by observing the color of the contents in the flask and microscopic view?
29 September 2020 7,710 1 View