which concentration range of standard solution for Chloride (Cl) can you advise me to buy if I want to measure Cl in urine? usually, Cl is around 3000 mg/L in urine. Should I buy 1000 mg/L or 10 000 mg/L
Hi all, I made synthetic wastewater samples and I was wondering if the integrity of the ions might change if stored for long time outside the fridge before analysis. Say foe example, I prepare...
09 June 2024 2,706 0 View
I want to use this buffer in urine for NMR analysis
11 November 2023 5,721 1 View
Which anions from multi-elemental standard solution will elutes first in anion exchange chromatography?
12 September 2023 1,398 1 View
Which anions elutes first in anion exchange chromatography?
10 September 2023 9,510 1 View
which concentration between 2% and 5% nutric acid is better to use to prepare for ICP-OES standard solutions ? I have multi-elemental solution, I want to make a standard solution for calibration...
24 August 2023 1,576 0 View
Can I determine the cross-flow velocity in FO with pure water as a draw and feed solution? This is my first time working with a Forward Osmosis membrane, we dont have flow meter attached in the...
28 May 2023 6,325 0 View
What is the procedure for determining the CFV in a bench-scale Forward Osmosis setup? This is my first time using the equipment. Should I initially calculate the mass change between the DS and FS...
23 May 2023 6,988 0 View
Considering the density, how do I prepare a 1% nitric acid solution from 70% nitric acid to dilute my unknown concentrated sample (1ml) for ICP-OES. How much volume is required from 1% to dilute...
17 May 2023 585 0 View
how many times do I dilute my concentrated samples before ICP-OES analysis? For example, do I use 2% nitric acid for the dilution of my wastewater samples? and how many times?
03 May 2023 7,657 0 View
Do I have to dilute my urine samples with nitric acid before I analyse them in ICP-OES?
03 May 2023 5,901 0 View
I imagine the battery drives the graphite into a carbocation, then chloride is oxidized to donate the electron to the carbocation, but what pushes the lost electrons of chloride to be shared...
03 August 2024 5,384 0 View
I placed mice in metabolic cages to collect urine samples for analysis. However, the majority of the samples have dried up. Is there any way to retrieve the urine in those tubes without...
14 July 2024 6,724 0 View
Deep etching Negative photoresist Acrylate polymer Chemical etching Ferric chloride Crosslinking Resolution
11 July 2024 2,476 4 View
The price of gold chloride salt is unfortunately very high.
08 June 2024 1,469 0 View
I just found many protocols but not specific for bacterial growth
30 May 2024 6,305 2 View
Hello! I'm hoping to run an ELISA on human urine samples to measure testosterone levels. We are hoping to use a kit from Neogen, which has been validated for serum/tissue/urine. The protocol...
28 May 2024 2,815 0 View
Am trying to develop a process for the production of ethylbenzene
27 May 2024 8,259 2 View
chloride can prevent passivity of stainless steel
25 May 2024 5,714 2 View
if we are doing non-invasive sensing in patient urine then require ethical permission or not??? If we have a consent form fill with the patient then it is sufficient or not???
24 May 2024 956 0 View
I would like to use a peptide pool to stimulate lymphocyte/T cell to check recall responses. Most of the peptide pool come as TFA salt but there are reports that suggest TFA salt based peptide...
23 May 2024 5,221 0 View