SAcetic acid analysis in liquid wastes?

Hy, can you suggest a method to quantify acetic acid in aqueous bye GC-FID? Thsnks in advance

03 April 2018 5,720 0 View

How can i quantify isocyanate in ambient air after sampling with glass tubes containing an inert support ?

07 August 2016 9,134 1 View

Sulfur trioxide pyridine complex determination?

05 June 2016 755 2 View

Organic selenium extraction?

May you suggest a method to quantify organic selenium in food? I thought to express it, as the difference between total selenium and inorganic (water soluble forms), but i'm not sure to extract...

02 March 2016 8,215 5 View

Can I use gravimetric method for fiber determination in food?

02 March 2016 4,552 4 View

Hyaluronic acid from wheat ?

02 March 2016 6,427 3 View

Do you know sellers of adam site?

04 May 2015 5,897 0 View

Correct HPLC column?

May you suggest a reference about the correct choice of column and stationary phase in HPLC? Thanks in advance Stefano Salvatori

02 March 2015 6,156 4 View

How can I quantify macroelements in leaves?

02 March 2015 9,873 14 View

Are you familiar with an Inulin determination method?

Do you know a method to quantify Inulin in food? Thanks in advance. Stefano.

01 February 2015 8,244 3 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

No title

02 March 2021 3,060 3 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

How to remove DCU and HOBT from my reaction?

I am doing a acid and a chiral amino alcohol reaction using DCC and HOBT in DCM or THF? Can anyone suggest me how to remove DCU and HOBT from a reaction mixture??

28 February 2021 2,153 1 View

No title

28 February 2021 9,936 2 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 3 View

When is it unnecessary to change organisational culture?

As a former management practitioner, I recall a generally accepted view that changing organisational culture is difficult, so you should only attempt it if the organisational change that you are...

27 February 2021 2,595 8 View

Does RNAiMAX transfection reagent work in serum free medium?

I diluted siRNA and RNAiMAX in opti-MEM and added to the cells which they were in the growth medium. Is it a right way? or should I culture cells in the opti-MEM medium for a while and not in...

26 February 2021 10,041 3 View