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

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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 6,007 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 1,699 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 8,070 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 3,584 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 6,959 1 View

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

One of my student plan to do small survey, target to take an idea about "total diet study". Here, I upload it and please be kind enough to comment it to improve the study?

03 April 2016 3,617 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 5,986 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 7,699 3 View

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

We like to know what are the new field and area of analysis food (fish) and feed using FT-NIR. Can you suggest me the novel reserahc area or link of the publication which were perform using the...

05 June 2015 9,217 0 View

Can you give me the best method for analysing MSG (Mono Sodium Glutamate)?

I need to analyse MSG content in fishery products, meat products etc. We have UV-VIS spectrophotometer, GC and HPLC. Can you give me a suitable method match with the above instrumentation?

11 December 2014 3,338 8 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,005 2 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?

09 August 2024 3,291 2 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

Is it true that $\det(V(A))$ may be only $\pm 1$, depending on $n$, for the last symmetric tridiagonal matrix $A$?

One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...

08 August 2024 6,690 1 View