Inorganic Arsenic extraction (As-III & V)?

Is that possible extract inorganic arsenic (As-III & V) simultaneously by using liquid-liquid extraction technology? What is the suitable solvent and complexing agents?

03 April 2019 5,884 2 View

How to avoid the extraction of Arsenobetaine (AB)?

I need to extract the As (III) and As (V) in mixture of organic and inorganic As mixture or from seaweed. Are there any way to stop the extraction of AB and organic arsenic compound?

02 March 2019 1,556 4 View

Are there any methods to avoid the arsenobetaine (AB) in the seafood extraction?

I need to extract seafood and need to avoid the arsenobetaine extraction, Are there any chemical reaction or extraction method to avoid the extraction arsenobetaine?

02 March 2019 7,939 4 View

What are the factor involve to set the TVB-N level of fish?

EU regulation no 2074/2005 gave the maximum level of TVB for fish in 3 categories as 25, 30 and 35 mgN/100 g. I need to know what are the basic to set this level. Is that only organoleptic...

07 August 2016 3,415 2 View

What is the proximate composition of Chitala ornata (knife fish) flesh?

Do you any reference/literature of the proximate composition, especially protein content of Chitala ornata (Knife fish) flesh?

04 May 2016 6,832 1 View

Please be kind enough to comment this questionaire regarding the total diet study?

03 April 2016 3,493 0 View

Can you help me to the calculate following redox calculation of titartion vitamin C?

Here, I attached one method published for vitamin C determination, in generally Iodine solution used, but here, they use KI & KIO3? How to calculate I2 mol in here without standerdization or...

01 February 2016 5,839 3 View

How can I convert the dioxin value pg/g to WHO-TEQ?

Some authors give the dioxin concentration, pg/g and some gave the concentration pg/g WHO-TEQ. How to compare those values and how to convert TEQ to pg/g?

10 November 2015 7,260 3 View

Please suggest me the novel food chemistry, analytical application and areas which can do using FT-NIR?

05 June 2015 9,078 0 View

Can you give me the APHA method for trace metal analysis?

11 December 2014 1,292 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

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

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

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 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

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

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