If we use pH meter for concentrated strong acid, the pH comes in negative value. However I did not experience more than 14 pH. But is it possible, I like to know.
https://www.google.com/search?q=ph+above+14
We know impact factor is calculated based on citation. What formula used in it. Is it simple, number of citations divided by number of articles published or any thing else.
01 February 2016 5,829 0 View
Basicity is a important criteria to measure the catalytic effect of many solids like zeolites. So it is necesary to qualitative and quantitative analysis of it.
09 October 2015 338 2 View
It is known that carbon nano fibers are known recently. However I am unable find its probable applications. Some suggestions are in fuel cell. What are the others.
01 February 2015 991 5 View
In carbon nano tubes, single wall, double wall and multi wall carbon nanotubes are possible. In case of multiwall carbon nanotubes, maximum how many number of walls are possible.
31 December 2014 6,287 6 View
It is known that we can get smaller particles by increase the rate of crystallization. How can we achieve that ?
11 December 2014 6,278 2 View
We are using microwaves in oven, and not Infrared. Actually Infrared rays produces heat. Why is it not used.
11 December 2014 768 3 View
It is known that in Transmission electron microscope, the electrons are diffuse through films less than 300 nm. However, Scanning electron microscope coupled with Electron diffraction X-ray...
11 December 2014 10,163 8 View
Normally absorption or emission of ultraviolet visible light occur in the same region. If bathochromic or hypsochromic shift occurs it should go to other regions. Normally we are not observing...
11 December 2014 3,905 2 View
We know that we can prepare nano-materials by sol-gel, co-precipitation methods. However, when we prepare nano-materials with these methods it often results in amorphous materials. In this...
11 December 2014 8,977 11 View
We know that Nitrogen and Oxygen are major content of atmospheric air. For gas chromatographic applications, it has to be separated to pure form. How is it carried out.
09 October 2014 1,711 4 View
Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.
07 August 2024 8,782 3 View
Hello, I suspect that a molecule I am using is causing bacteria to experience osmotic shock. What chemical properties should I look for to compare this capability with those of other substances?...
06 August 2024 977 1 View
Dear readers, Thanks for your attention. I am wondering about the health economic problem of quantifying the value of interventions which a) prevent, b) improve symptom profile and c) ultimately...
05 August 2024 3,246 1 View
I am attempting to conjugate PEG to an amino acid at the C-terminus, for the purposes of producing nanoparticles. I have been told that PEG modified with amine groups can be used for this purpose,...
31 July 2024 2,033 1 View
We are working on biopolymeric hydrogels. Our system is highly viscous and sticky, and the gel formed are high in strength. We are unable to use pH electrode and pH strip. Please suggest an easy...
30 July 2024 942 2 View
Hi, researchers, Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?
29 July 2024 4,570 0 View
Hello everyone! How can i prepare EDTA buffer solution (pH 8.2) to determine GSH levels? Thank you in advance.
29 July 2024 4,374 1 View
I want to preserve the sample leaves for the LM study of the stomata and conidia analysis. Whether 2.5% glutaraldehyde in 0.05 M phosphate buffer with pH 7 can be applied for preservation.
29 July 2024 8,560 0 View
My photocatalyst from solid waste red med. Dye is methylene blue My all parameter study is showing zero order. How to prove it further that the reaction in zero order?
29 July 2024 7,404 1 View
I am currently performing cell-free DNA (cfDNA) extraction from plasma using an in-house developed kit that employs silica-coated magnetic beads. My protocol works effectively with plasma obtained...
28 July 2024 3,559 0 View