See above
Measure the absorbance of this solvent,and the calculate the coefficient according to Lambert-Beer's law
Thank you for your answer Zhang but i am confused for absorbence i donot know the cutt off value of my mixture
I want to functionalize graphene with di ammine.
09 October 2015 7,082 2 View
What is the optimum temperature, Why refluxing is important?
08 September 2015 6,740 3 View
09 October 2014 3,688 3 View
I want to characterize my Graphene on Atomic force Microscopy (AFM), therefore I request you to kindly guide me the sample preparation steps for AFM and cleaning of silicon wafer as a substrate...
08 September 2014 9,965 11 View
08 September 2014 9,089 2 View
08 September 2014 612 3 View
i am unable to find this simple thing.
08 September 2014 4,031 19 View
01 January 1970 6,530 4 View
Here i am attaching the picture you reference. S1,S2 and S3 are the three different segments of the curve. i want to calculate the specific area of these segments by using some software like...
01 January 1970 6,371 2 View
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
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
Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !
02 March 2021 5,785 3 View
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
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
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
I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?
01 March 2021 930 3 View
I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...
28 February 2021 6,477 1 View
28 February 2021 8,466 2 View
The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...
28 February 2021 2,955 2 View