I have added 1g of citric to 4 g of zinc sulphate in the 100 ml of boric acid solution.Now, I want to know the actual reaction happening between them?
https://www.answers.com/Q/Does_zinc_react_with_citric_acid
I am working with a 7820A GC and 5977B MS. Recently, we changed the helium tank and since then we have been seeing baseline noise in the chromatogram which is high enough to interfere with my...
11 November 2020 6,520 2 View
In Zno (pristine and doped) kindly help in the analysis of these PL results at exc. 510 and 380
26 May 2020 7,393 7 View
I got negative slope (W-H plot) in my synthesised nanomaterial and on doping that same material , I got negative slope again but it's value decreased . What can I conclude from it .
01 May 2020 2,230 10 View
I am using 1% CTAB for extracellular DNA extraction, followed by isopropanol precipitation, phenol chloroform extraction, ethanol precipitation and wash. How can I increase my yield?
02 March 2020 7,947 3 View
I have prepared MgO nanocomposite in powder form . I want to check its electrocatalytic properties but I have no expertise in making electrodes as it is also not my guide's field. Is there any...
10 December 2019 10,027 3 View
I am trying to build an optical tomography sytem and generate a SHG. I was wondering if changing my laser incidence angle on my sample can reduce scattering by a bit? Or is it best to keep the...
19 November 2019 7,829 4 View
I hve prepared a Doped Zno with diff conc. For photodegradation of a phenolic pollutant I got absorbance value higher. Is it mean that it can't be used for it or I should try something else
04 November 2019 3,506 4 View
I have carried out the solid state fermentation of organic substrate using Aspergillus niger.I want to purify gallic acid from it.Can anyone suggest me simplest method to do it with references.
18 June 2019 8,156 3 View
I have analyzed my sample using LC-Ms. The sample was fermented organic waste sample. Aspergillus niger was the microorganism used.
10 June 2019 9,710 4 View
I have carried out solid state fermentation of sample containing organic waste.Due to limited facilities, I could only do filtration and centrifugation for my sample.But,when I subjected this go...
25 May 2019 4,856 3 View
I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...
03 March 2021 3,661 2 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
Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...
01 March 2021 8,766 3 View
I am doing a acid and a chiral amino alcohol reaction using DCC and HOBT in DCM or THF? Can anyone suggest me how to remove DCU and HOBT from a reaction mixture??
28 February 2021 2,153 1 View
hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...
27 February 2021 3,882 3 View
I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...
25 February 2021 2,225 5 View
The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...
23 February 2021 2,049 3 View
To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...
23 February 2021 7,326 5 View
How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?
23 February 2021 3,053 7 View
I am using the Folin-Ciocalteu method for analysis of total phenolic content in ripe strawberries. I've read several protocol that suggest a methanol/H2O/formic acid (80:19:1) extraction solution....
22 February 2021 6,560 3 View