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

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 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

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View