I need to analyse malachite green content in shrimp samples. (I have HPLC, GC and UV-Vis only. Not any ms detector). Hence method should based on that eupments.
FDA has a method in LIB here. Check it out.
Can I do rapid clhoride penetration (RCPT) test on paste? does it has any negative effect? looking for scholars answeers?
29 May 2024 5,438 0 View
Trace amount of Cobalt-60 is generated in nuclear reactors and needs higher selective separation competing with sister heavy elements, especially Fe-triad. Cobalt has been seen to adsorb on...
28 May 2024 2,167 5 View
silvaco-tcad
25 May 2024 9,599 0 View
Different formula i used for calculation but band gap is different for these formula, which formula is correct for my...
28 March 2024 174 3 View
Dear all, I prepared my cell media (EMEM+10%FBS) and another cell media (EMEM+2%FBS+1% Pen/Strep). Incubate the aliquot of the media in 37°C for a few days and saw these. They are not moving and...
24 March 2024 7,496 3 View
This question is very important because its answer is “ don’t and impossible to contain Fossils. This is true and universally 100% accepted, but a new paper published in High Impact Factor (6.5)...
15 March 2024 7,534 4 View
Chemical equilibria in soils free download
23 February 2024 3,623 0 View
What is the average growth of jujube tree circles to determine age per year?
28 January 2024 2,327 6 View
For the past few years, Stanford University USA is coming up with a list of scientists, who are among the top 2% scientists in the world. I would like to know how the list is generated, by keeping...
26 January 2024 186 4 View
I would like to know why an FFHR's plasma has no need for high power amplification performance.
22 January 2024 6,623 1 View
Approximate concentrations are require in compared with the WHO permissible limts
11 August 2024 2,723 1 View
A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...
11 August 2024 9,801 2 View
Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...
11 August 2024 8,141 3 View
Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!
11 August 2024 3,770 4 View
Hey there, As a synthetic chemist delving into theoretical calculations for my imidazolium-based organic molecules, I would greatly appreciate any guidance on the appropriate input instructions...
09 August 2024 5,444 7 View
Hello experts, Does anyone know any free software about retention index prediction ?
08 August 2024 7,403 2 View
I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...
08 August 2024 8,329 0 View
I'm working on selecting antibodies against a recombinant protein that has a His-tag. My idea is to first bind the recombinant protein to a HisTRAP column and then use this column for an affinity...
07 August 2024 505 3 View
Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.
07 August 2024 8,782 3 View
Dear QE-users, In the method where full MS positive mode and PRM mode are used, we always get an incorrect auxiliary gas reading (41 instead of 25). This only happens in this method; other...
06 August 2024 4,953 0 View