Why is percent removal (or Ct/C0) not a good index for describing adsorption? Is this explained in any text or articles?

I am specifically trying to explain why adsorption capacity at equilibrium (qe) is higher with an increase in the initial contaminant concentrations. My plot of Ct/C0 with varying concentrations...

02 March 2018 4,311 4 View

How do I plot my data using the Sigmoidal Langmuir equation?

I've included an image with showing the equation. I need to know what parameters to plot on the x and y axes. Any help will be highly appreciated.

31 December 2017 732 4 View

How do I overcome fluoride interference in Ion Chromatography?

I currently use a classic method to identify fluoride and the six other major anions in water and usually the recovery seems to be pretty good. However, I've noticed that whenever I run a sample...

07 August 2012 9,303 1 View

False positive for chlorine in Ion Chromatography

I keep getting a significant chlorine peak when I run my sample through ion chromatography. The problem is that non of my reactants contain chlorine so I'm wondering if there's another ionic...

06 July 2012 6,327 8 View

Method for detecting Perfluorinated compounds using LC with conductivity detection without suppression.

I need to know if its possible to detect PFOS or PFOA using an HPLC with conductivity detector without suppressing the signal? I've seen a number of methods where suppression is used but my...

03 April 2012 9,693 5 View

Breaking kerosene-water emulsions held by perfluorinated surfactants.

I need some help in demulsifying a mixture of kerosene, water and perfluorinated surfactants such as PFOS, PFOA and 6:2 fluorotelomer alcohol. Any ideas??

31 December 2011 3,784 5 View

Green organic solvents

I'd like to know if there are any solvents that can be used for the extraction of organic compounds but is less hazardous than say Hexane. Thanks

10 November 2011 5,446 9 View

How to prepare Iron (II) oxide

I'd like to know how to prepare Iron (II) oxide from Iron (III) oxide. Are there any other ways to prepare this using other starting materials? Thanks

10 November 2011 450 1 View

Is there a way to calculate iron speciation due to pH?

I'd like to be able to figure out what species of iron is predominant at any given pH.

08 September 2011 2,278 23 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

How to write a scientific report?

We are analysing scientific reports at University in great detail, so I wanted to find a scientific report about how to write a scientific report. Including detail such as what information to put...

02 March 2021 7,602 4 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

Energy minimization in LAMMPS using NVT ?

How do I do energy minimization in lammps with NVT ensemble ? I am using the following command and it does not seem to work. It stops at extremely high energy and gives me the error zero search...

01 March 2021 2,294 3 View

No title

01 March 2021 3,905 5 View

How to Balance Bench work with Reading and Writing?

I am a second-year grad student. I am finding it difficult finding time to read literature and write (things like qualifying exam, thesis, grants). I find myself so busy with bench work that I...

01 March 2021 3,325 4 View

Could you please recommend some good journal that accept very long revie papers (approximately 6000+ words) in neurosurgery, cancer biology ?

Could you please recommend some good journal that accept very long revie papers (approximately 6000+ words) in neurosurgery, cancer biology ?

01 March 2021 8,087 3 View

How to highlight novelty in your research paper?

I have come up with a method and had written a paper on it. Paper got rejected by a journal stating that there is no theoretical novelty. I am kind of confused on why the novelty that I am able to...

28 February 2021 2,393 8 View