I got some data from the XRF instrument and I want to know what is the meaning of each column ? And how I interpret and get the Mean, Standard deviation SD, and relative standard deviation RSD% , from this table ?
Hello , I have samples digested using Nitric Acid and I want to meausre the Lead Pb concetration in them using Microwave Plasma-AES . Should I acidify the Lead Standards to calibrate the...
08 September 2018 5,102 3 View
For example : If I have powder sample wieght = 0.22 g , and I added 25ml of (8 Molar of HCl) and heated up until slight amount of liquid in the bottom of the baker. after digestion sample weight=...
03 April 2018 5,715 4 View
what are the excitation and emission wavelengthes of Thiadiazine and Glutaraldehyde? Is there a database for compounds fluorescence proparites ?
02 March 2018 6,901 0 View
Hello everyone, I'm new in using XRF instrument and I need to invistigate any lead contamination in powdered samples that should not exceed 10ppm of lead . However, I need to make some sort of...
03 April 2017 7,498 5 View
There are a huge number of methods for studying objects in space, according to the senses (and not only). Mechanical, thermal, optical, acoustic, electrical, magnetic, based on particle beams,...
06 August 2024 7,102 0 View
or we can collaborate
01 August 2024 6,705 2 View
For people today, the enigma of the size of the proton still remains enigmatic. However, being myself a researcher in new physical theory which makes it possible to extend the different standard...
28 July 2024 7,823 1 View
Hi, I need to prepare a standard curve of H2O2 to evaluate the primary products of oxidation. H2O2 I have is 35%. How do I prepare a stock of H2O2 10 microlitere. If s.o has experience, I would be...
26 July 2024 3,460 2 View
I know the difference between instrumental LOD and method LOD but my query is - in case of any sample whose concentration is zero or not detected by the instrumental LOD, is it possible to get...
24 July 2024 6,592 5 View
Dear all, I have a user written estimation code based on the paper dynamic panel data estimations with fixed effect by Galvao(2009). I have seen many papers using this method and pvalue, standard...
22 July 2024 4,588 1 View
I'm working with a hydrogel sample and I'd like to perform XRD analysis. Can anyone offer guidance on preparing the hydrogel for the XRD instrument? Specifically, I'm unsure about the best method...
20 July 2024 3,611 4 View
please suggest the research paper related to the instrument is used in it.
16 July 2024 8,453 1 View
I am trying to configure the instrument in Profex but I can't get a chi-squared value below 9.65 for LaB6. This is the configuration of the equipment, which is a Bruker D8 Advance with a Linxeye...
14 July 2024 4,767 1 View
During the release test of Amphotericin B using 1% Tween 80, i observed three peaks even in the standard. The first peak consistently yielded results around 500%, while the other peaks showed...
08 July 2024 1,330 0 View