Can one use the background concentration known soil samples in the calculation of EF of particulate matter pollution?

I wish to calculate the Enrichment Factor (EF) of particulate matter samples. Can I use the background concentration of soil for the calculation? Thanks Francis

07 August 2019 9,556 3 View

Is this not going beyond ones boundary?

Colleagues, I need your candid advise/opinion with regards to investing ones precious time. Does it make any sense for a chemist to invest his/her time in the compilation of plant, weed, shrub...

05 June 2019 995 4 View

What are relationship between enrichment and contamination Factors?

If a particulate matter or soil sample has a high enrichment factor (EF) is it possible for the sample to have a low contamination factor (CF)? Example From the calculations of a result, it was...

05 June 2019 1,684 8 View

Back trajectory techniques in air pollution?

Can somebody assist me to draw back trajectory? I need this for my thesis write up to be presented in January, 2019. Thanks Abulude F.O. [email protected]

11 December 2018 6,646 2 View

How does Air pollution low-cost sensors work?

I want to monitor the air using low-cost sensors. Before buying, I want to find out how they work. Do they work independently or are they accessories to air detectors? What I mean is can they...

07 August 2018 4,549 2 View

Can you assist in the convertion of EDXRF concentration?

Elements in my PM samples were analyzed using EDXRF. The concentrations were obtained in cm2. Can anybody teach me how to convert to ug/m3 or ppm? Example Ar - 989.614 cm2 (this is the conc...

06 July 2018 7,999 2 View

Can anyone assist me with the free software of Statistica and R or any software that can draw excellent graphical representations?

I need to draw excellent graphs/charts from my data. Please I need assistance with free software for R/Statistical or any other excellent ones that I can use. I want my paper to be accepted in...

03 April 2018 2,038 5 View

Where can I get assistance for the determination of PAHs and BC of my air samples?

I have PM samples on which I wish to determine PAHs and BC. It would be appreciated if I can get researchers to collaborate with who will be willing to do the analyses. Please suggest...

02 March 2018 3,860 0 View

Protocols of determinations of PAH, EC and ions. Can anybody assist me on these?

Colleagues, I need to determine PAHs, Carbons and ions in my air samples. Can anybody assist me with the step by step protocols/methods? Thanks

02 March 2018 7,752 4 View

pH why not PH?

The pH of a solution is a measure of its ratio of hydrogen atoms to hydroxide radicals, which are molecules composed of one oxygen and one hydrogen atom. Why do we write it as pH why not PH?

05 June 2017 1,387 3 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

Is it possible to remove a preprint posted by a journal which is already rejected?

As we know many journals are posting preprints (DOI) in advance before the peer-review process. However, there is no guarantee that the preprints get published. The journal's reviewers undergo the...

01 March 2021 5,778 2 View

No title

01 March 2021 3,905 5 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

Rearranging abbreviation list in LaTeX ?

Hi, I'm trying to rearrange an abbreviation list for a manuscript such that it would be listed in alphabetical order. Is there a function that does this automatically or is manual my only option?...

18 February 2021 4,870 2 View

Can I follow Researchers from Teaching and testing areas?

I want Researchers from Educational Measurement and Evaluation, relating to teaching, learning , academic performance and test validation

18 February 2021 4,757 13 View

If a journal doesn't provide doi after acceptance of the manuscript, is it authentic?

It is related to submission of the manuscript in a Journal and the process of its online availability.

18 February 2021 9,269 5 View

Can anyone provide an advice on running a validation study of a commercially available product in collaboration with the manufacturer?

We are planning to run a study validating a commercially available product (i.e. software) and while we initially planned to do it independently of the manufacturer, they heard about our intention...

17 February 2021 2,295 3 View

How to increase DPI in my image?

I'm submitting manuscript to a journal that requires 1200 dpi in my images. I have changed the dpi from 96 but when I upload the image with 1200 dpi, the image looks super blurry when I review my...

16 February 2021 2,803 3 View