Vineet Singh

5 Questions 6 Answers 0 Followers

Questions related from Vineet Singh

Is the formation of agglomerates after the addition of salt during the extraction of soil/sediment by QuEChERS can compromise the extraction?

During the extraction of soil/sediment by QuEChERS, when I added the salt in the tube the sediment/soil get transform into crystalline agglomerates (hard lump like structure). Does this...

02 July 2018 9,142 3 View

How can you store river water samples( pesticides and pharmaceuticals analysis) when away from the lab ?

If you are out on a field trip (for a couple of weeks away from the lab) and are collecting water samples for (pesticides and pharmaceuticals analysis), what is the best way to store the samples...

20 September 2017 4,648 5 View

Best SPE cartridge for the extraction of Orhanochlorine pesticides (OCPs) & few pharmaceuticals in river water?

Someone please suggest me the best SPE cartridges for the extraction of OCPs and pharmaceuticals (ibuprofen, amoxicillin, erythromycin, ofloxcin) in river water. It will be very helpful if anybody...

20 September 2016 9,697 3 View

In between QuEChERS and SPE, which extraction method provides better pesticide detection for river water?

I am working on detection of pesticides (especially Organochlorines) in river water. So I am interested to know that in between QuEChERS and SPE which extraction technique provides better...

30 June 2016 4,706 3 View

How many numbers of samples are sufficient to represent the Physiochemical parameter of a whole river including Heavy metal and Pesticides detection?

Basically, I am going to start working on analysis of Physio-chemical parameter, Heavy metal and Pesticides detection of a river. So how can I decide that how many numbers of samples are adequate...

25 April 2016 4,314 18 View