What is the relationship between soil pH and adding alkali-activator?

Dear all, I do research on a kind of clay and use NaOH as an alkali-activator for stabilization. The pH 2,4,6 mol. of NaOH solution are 12.9,13, and 13.1, respectively. The pH of natural soil is...

09 October 2019 3,813 2 View

What software do you recommend for plagiarism checking?

Dear all, What software do you recommend for plagiarism checking of technical papers? Regards MJM

09 October 2018 613 13 View

How long does it take to publish a paper?

Dear all, Does anyone know an address that shows How long does it take to publish a paper?? However, there are some in Elsevier ( https://journalfinder.elsevier.com ) and Springer ( Springer...

06 July 2018 4,577 18 View

What is the best temperature for producing ashes??

Hi everyone, I want to know what is the best temperature and duration for producing ash from agricultural waste?? regarding that I want to use it as Alkali activator for clay stabilization....

10 November 2017 6,507 4 View

Which dissolved ash has the most pH??

Dear all, As it is known, the pH of distilled water increase with dissolving ashes in it. It is because of some metallic oxides contents like NaO, k2O, etc, of the ashes. So, I want to know which...

10 November 2017 1,183 6 View

What is the best technique for lowering the concrete temperature in hot weather??

Hi everyone, We have to pour concrete in temperature of about 40 degree Celsius. does anyone have good technique for lowering the temperature of concrete?? We lower the temperature to near 32...

06 July 2017 9,592 3 View

What is the best technique for perimeter building waterproofing and drainage?

06 July 2017 6,352 4 View

XPS technique for introducing bonds between stabilized clay?

Hi every one I want to know if XPS (X-ray photoelectron spectroscopy ) can be used to introducing bonds between chemically stabilized clay?? Regards

01 February 2017 1,350 4 View

Reinforced Wall for fine soils?

What is the most effective way to Reinforced fine soils like clay ? for example could strip reinforcement used for fine soils??? As reinforced walls should be backfilled with coarse materials like...

08 September 2016 5,409 4 View

How to measure matric suction in unsaturated soil??

07 August 2016 9,719 2 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

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

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

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

Ester cleavage conditions?

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

How to remove DCU and HOBT from my reaction?

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

What is the most common number of epitopes in an multi-epitope Vaccine?

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

How to model Supercritical water gasification (SCWG) process in Homer software?

Hi everyone How to model Supercritical water gasification (SCWG) process in Homer software?

25 February 2021 4,075 1 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

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

Why is NH4OH added in heavy metals limit test?

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

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

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

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View