Bayshakhi Deb Nath

5 Questions 6 Answers 0 Followers

Questions related from Bayshakhi Deb Nath

Can we detect DOC fractions through LC-OCD for a sample containing Sodium Azide?

I did some column tests in my lab where I needed to detect the DOC fractions using LC-OCD. For the abiotic columns I used sodium azide to restrict the biofilm formation. I did LC-OCD to detect the...

08 July 2024 445 0 View

How the impurities of sample water affect MC-LR quantification using HPLC analysis? How can we reduce the impact?

I am using HPLC-MS analysis to quantify MC-LR in presence of Natural Organic Matter (NOM). I am getting a well-fitted curve while preparing the standard sample using deionized water. But, while I...

06 July 2022 200 7 View

How defrosting can affect the results of cyanotoxin analysis using HPLC?

If we store the sample at -20 degrees and remove it for cyanotoxin analysis after 2 days, what's the minimum time we need to defrost the sample to get stable results from LC-MS? Also after...

13 December 2021 9,987 3 View

How to remove air bubbles from pipette tips while preparing sample of small volumes?

I am preparing some cyanotoxin samples for adsorption tests. The sample volume is 3mL to 5mL. While preparing the samples, I noticed some air bubbles inside the tips which were too little but...

13 December 2021 2,177 0 View

Is a TOC analyzer capable of determining DOC compositions?

I need to measure hydrophilic and hydrophobic organic carbon separately from my water sample. Is it possible to do so using a TOC analyzer?

08 August 2021 2,662 4 View