Could anybody help me with some suggestions to improve the signal to noise ratio for XRD on sample containing iron?

I have got a slag sample that contains high amount of iron in it. I conducted xrd using Cu tube, on the powdered sample with very high background (because of iron efflorescence). Then to improve...

05 June 2019 1,639 6 View

Do all iron containing compounds show fluorescence in XRD with copper radiation?

Do all iron containing compounds show fluorescence in XRD with copper radiation or just the oxides of iron show this effect? Say for instance if i have pure tetracalcium aluminoferrite (C4AF) or...

05 June 2019 6,575 2 View

Help with identification of sodium sulfate peaks in xrd data?

I did XRD on anhydrous sodium sulfate salt (purity>99%) which i bought couple of months ago. For some reason sodium sulpfate peaks from PDF database (anhydrous or hydrated) don't align with the...

02 March 2018 5,864 7 View

How to deal with paper rejection due to %age similarity with previous publication?

I submitted a research paper to one of the Elsevier journals and got a response from the editor as below: "The paper has got 23 % similarity in total and from one single paper 10 %. However, if...

02 March 2017 4,069 3 View

Does anybody have thermogravimetric analysis curves for pure hemi and monocarboaluminate phases?

Just wondering if anybody has done thermogravimetric analysis on pure hemi and mono carboaluminate phases? I am looking for the mass loss of chemically bound water. Based on the references I have...

11 December 2016 5,903 2 View

Help with identifying Mg bearing phase in slag sample?

10 November 2016 2,308 10 View

Help with phase identification of slag sample in thermogravimetric analysis data?

10 November 2016 295 3 View

Things to consider to select chebychev polynomial order for background function?

10 November 2016 5,774 5 View

Does C3AH6 phase (Si rich or without silica) always show crystalline characteristic?

07 August 2016 7,491 6 View

Can ettringite formed at 7 day hydration, revert back to gypsum at 28day?

06 July 2016 545 6 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 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

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View