22 Questions 21 Answers 0 Followers
Questions related from Anil Kumar Meher
I want to synthesize the silica gel layer used in spin columns.
20 January 2024 1,980 0 View
I need to plot PCA from the acquired data in a TOFWERK PTR-MS
13 July 2023 399 1 View
I am getting a protonated peak of acetone at m/z 59 when pure solvent is used for electrospray. Since, there is no proton source and only high voltage is applied, the general mechanism of...
22 February 2016 5,721 1 View
I am coalescing 10 µL of acetone in 10 µL of water.
26 August 2015 5,675 3 View
Apart from water, can solid dielectric materials also propagate ultrasound waves?
24 July 2015 6,198 6 View
I am mixing the drops(20 µl) of both reactants and measuring the change spectrophotometrically. Since the reaction is very fast, the change is observed immediately.
20 July 2015 6,827 8 View
Would like to have comparison with experimental results.
18 May 2015 5,219 1 View
Have mixed Silver nanoparticles (Citrate stabilized) with Hydroxyquinoline and centrifuged at 10000 RPM.
27 February 2015 6,666 4 View
Is the reaction limited to cell walls or does the oxidation continue for endogenous compounds?
09 November 2014 8,636 1 View
I assume paper is mostly cellulose, containing lots of hydroxyl groups. Can it be chemically modified for interaction with specific molecules?
25 October 2014 1,227 5 View
I am using a 337 nm Nitrogen laser and fiber coupler for collimation? But the power reduces to half, once the coupler is installed.
14 October 2014 1,308 7 View
I am looking for model compounds (isomers) which can be differentiated using Raman spectroscopy.
26 September 2014 6,318 3 View
Simple application of sol gel does not adhere to the surface of substrate (glass). Upon spin coating a firm layer could be obtained. However, it is very thin. I am looking to make a thick layer as...
29 July 2014 5,339 3 View
I have tried to coat the glass chip with silica sol gel and then applied alumina sol. However, the silica sol after drying up forms flakes and comes out.
07 July 2014 8,693 1 View
Using a 532 nm laser.
30 June 2014 5,303 10 View
See above
28 June 2014 521 5 View
I would like to know what physical and chemical processes may take place if common dielectric materials like rubber or stone are placed in close vicinity of a high voltage source (4500 - 5000 V)?
17 June 2014 5,311 14 View
Have tried to apply silica sol gel (prepared by acid catalyzed TEOS), however particles are formed on the surface instead of coating. The same sol gel forms a coating over metal substrates.
11 June 2014 3,430 3 View
Unable to get the signal with CHCA or Sinapic acid matrices.
06 June 2014 2,273 6 View
Curious to find out.
03 June 2014 6,736 2 View
For samples dried over a hydrophobic surface and washed with aqueous solvent.
31 May 2014 8,685 2 View
I require to make hydrophobic surface over glass substrate.
30 May 2014 8,517 5 View
