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 carrying out solid state fermentation using aspergillus niger to produce citric acid.But, I am not able to maintain the pH throughout the process.I want to set my pH between 3--4. What can be...
07 August 2019 702 5 View
I want to know the names of low molecular organic acids which can be produced using Aspergillus niger.
05 June 2019 8,463 2 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...
04 May 2019 6,330 3 View
In few papers,they have mentioned prescott salt is beneficial in solid state fermentation and in few papers they are saying its not..What is the key role of prescott salt and can it be uses...
10 November 2018 5,743 3 View
I am performing solid state fermentation experiment using aspergillus niger to produce citric acid using organic waste..I want to know which type of contamination is this? And what can be done to...
10 November 2018 3,454 3 View
I want estimate citric acid from fermented and unfermented sample using titration method.I want to know how much fermented sample can I take and how much do I need to dilute it to? And what should...
09 October 2018 3,712 1 View
I want to set the Ph of substrate consisting of organic waste and leaf litter.The procedure which I followed was: 1.I took 5 g of sample and added 50 ml of D.W. in it then I started adding...
09 October 2018 7,693 3 View
Hello all, I want to publish a paper on effect ofa fertilizer on the growth of a particular plant. I want to know which are the good journals with good impact factor and also the probable amount...
07 August 2018 6,233 0 View
I want to carry out SSF using various waste,I wanted to know that what is the reason behind adding methanol to the media? What advantage does it have?
05 June 2018 4,661 3 View
I want to know the amount of citric acid and metal salts required for chelation and also which acid do I need to dissolve the individual metal salts.It would be good if anyone can help me with the...
02 March 2018 7,755 0 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