Lochan Singh

5 Questions 8 Answers 0 Followers

Questions related from Lochan Singh

Does percent recovery increases exponentially or linearly with the spiking levels?

Hello everyone, I have come across a discussion (related to PAHs) where it is stated that as the level of spiking increases (from lower spiked concentration to higher spiked concentration), the...

03 March 2019 4,531 3 View

How much justifiable it is to normalize the original data obtained for a sample as per the recoveries obtained (through using a recovery factor)?

Hello everyone, I had read few research papers on PAHs. Most of these papers report recovery levels for PAHs, an important QA/QC parameter, and report the concentrations for these compounds...

03 March 2019 5,085 3 View

Reason for low recovery of PAHs?

Hi everyone, I have been extracting PAHs from different food matrix but I am constantly facing the problem of low recovery. Please suggest me what may be the probable reason for low recoveries...

10 October 2017 4,502 2 View

Which recovery type for PAHs determination is right using LC-MS?

Hello Everyone! I have read the papers regarding LC-MS detection of PAHs in food. The internal standards are recommended for recovery in samples with this analytical method. I wonder how the...

01 January 1970 843 4 View

Can FTIR spectra of 16 priority PAHs and acrylamide salt be obtained?

Hello everyone! I have a standard of 16 priority PAHs in acetonitrile and acrylamide salt. I would like to know what would be the outcome if I scan them on FTIR at absorbance mode and ATR mode at...

01 January 1970 2,566 2 View