XRF analysis of 45s5 analysis?

I've sent my synthesized 45s5 powder and a commercial 45s5 powder to XRF analysis but in both of them the amount of Na2O is about 15 percent and LOI is around 40 percent and it makes the aount of...

29 January 2021 239 4 View

Sol-gel synthesis of 45S5?

I've synthesized 45S5 bioglass by sol-gel method and my XRD and FTIR results are similar to 45S5 bioglass but my EDX result has differences and instead of Si and Na the amount of Ca is higher....

29 December 2020 4,847 2 View

Sol-gel Synthesis of hydroxyapatite?

I use Ca(NO3)2.4H2O and P2O5 as precursors and Sol-gel method to synthesis my powder but the CA/P ratio is more than stochiometric (167) and my powder is dark. Does anyone know why this happens?

27 December 2020 1,574 5 View

Could anyone help me with this error Exception has occurred: ValueError?

I have downloaded monthly mean wind speed of terraclimate data for 20 years (2000-2019) which have NetCDF format, but unfortunately, each year has a single NetCDF file, and I want to merge them...

25 November 2020 8,477 2 View

Has anyone used Breaks For Additive Season and Trend for decomposing the time series into trend,and season in R package?

12 September 2020 1,513 3 View

How show NDVI MODIS index (MOD13A1) in Arc GIS?This collection of MODIS has calculated NDVI index and i want to show this index in my study area?

This collection of MODIS has 2 options for calculating NDVI index. First, we can calculate it from NDVI formula or we can use NDVI index that MODIS has calculated. I use both of them but they are...

25 August 2020 2,419 3 View

Has anyone used Maximum likelihood or Support vector machine (SVM) for image classification?

Hello I'm working on a project that I want to detect forest and deforestation areas. I need some information about Maximum-likelihood or Support vector machine (SVM) for image classification.

22 August 2020 1,896 3 View

How we can use the Transmisivity of light colors (rtn, gtn, and btn) in simulating a coated glass with red dyes in Radiance?

We want to simulate a red coated glass in Radiance. The UV-VIS spectroscopy analysis was conducted and optical characteristics of the red glass including transmittance and absorbance were...

16 March 2020 3,492 5 View

Model game as a discrete-time Markov chain?

Model game as a discrete-time Markov chain

30 December 2019 5,346 3 View

How can i remove fat from alkaloids?

sometimes i have problem with fat in my extracted alkaloids using ethanol and chloroform for extraction. Also my alkaloids are not well dissolved in acidic water, so acid-base precipitation...

09 December 2018 2,737 5 View

How to match the XRD of a compound for which there is no JCPDS file ? Is there any other characterization to claim the synthesis of desired compound?

I have synthesized LiMgF3 using the starting precursors LiF and MgF2 via solid state diffusion method. Now I am looking for some characterization to claim the desired product, as there is no...

09 February 2021 921 3 View

Sol-gel synthesis of 45S5?

I've synthesized 45S5 bioglass by sol-gel method and my XRD and FTIR results are similar to 45S5 bioglass but my EDX result has differences and instead of Si and Na the amount of Ca is higher....

29 December 2020 4,847 2 View

Asked a question in SnO2 ?

08 December 2020 6,957 2 View

Why in some papers people have shown one jcpds card no. for two different metals?

most people have shown I their research articles that the intensity peaks of different metals like ag, au and even pd have their peaks on the same degrees i.e. nearby 38.2, 44.2,64.6, 77.5 degrees...

05 August 2020 7,751 4 View

Can anyone provide me all the reference JCPDS cards for ag, au and pd?

I need these reference cards to match them with my data. if you can help then kindly provide the pdf files or even images for each card. I do have one reference card for each but it lefts me the...

05 August 2020 6,147 4 View

How to add 58S bioglass nano powder with Sodium alginate (SA)/Chitosan(CH) blend solution?

I am trying to add bioglass nps in SA/CH blend solution using following weight % ratio: 1. SA/CH/BG: 60/40/1% : SA/CH blend solution is 100ml and 1gm Bioglass Problem I am facing: I have to...

05 March 2020 5,631 3 View

Please , I need (XRD) data sheet standard (JCPDS manual). for ( hydroxyapatite, multi-walled carbon nanotubes, High-density polyethylene ) materials?

XRD data sheet standard JCPDS manual

01 February 2020 7,225 3 View

I need JCPDS file for Ag, Au, Pt and Pd Nanoparticles (NPs were synthesized using biomaterials). Can you help me please?

11 December 2019 793 4 View

Where can I find an online resource to get XRD JCPDS files?

We are looking for to find xray card for my organic dyes to specified Miller indices present in XRD powder e.g (c39H44N606)(C18H26N9O6) Best regards and thank you very much for your help and...

12 November 2019 8,699 2 View

What are the possible reasons of XRD peak deviation, when compared to standard data?

I have XRD data of synthesized material in powder form and when I compare it with standard JCPDS data, there is shift in peak positions which is not constant, ranging from 0.2 to 0.6 degree from...

10 November 2019 1,387 4 View