Can I replace sodium metaperiodate with potassium metaperiodate for analysis Mn by colorimetric?

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Hello friends, which is the best method to determine water content in the gummies???? how to prepare gummy sample for water determination?

Which is the best method to determine water content like oven ? Karl fischer ? Or any other?? Plz suggest. Because sample preparation looking critical to determine water content of gummies by...

02 March 2017 2,095 3 View

What are the HPLC mobile phase additives & how to select a proper additive?

How to select proper mobile phase additive for better separation? And when to use the beta-cyclodextrin or (2-hydroxypropyl)-beta-cyclodextrin as mobile-phase additives?

07 August 2013 6,535 1 View

What is the TCL-S-101 and how much is added in the injection preparation?

TCL-S-101

02 March 2013 7,368 0 View

How do I quantify Potassium Iodide?

I want to quantify Potassium Iodide but I'm not getting a reliable chemical or any other method for assay.

01 February 2013 7,640 1 View

How do I plot overlay of rphplc chromatograms in empower III software in a final result sheet with area, resolution, HETP & tailing factor?

I want to plot overlay of rphplc three std chromatograms in empower III software in a one final result sheet with area, resolution, HETP & tailing factor. How do I do that?

01 February 2013 4,230 0 View

How to identify, analyse & confirm the different concentrations of malt extract?

What is the method to differentiate the 2%, 10%, 20% malt extract?

01 February 2013 2,824 1 View

I'm trying to quantify amino acids by RPHPLC with UV detector, can anyone suggest a good method?

I have HPLC with UV detector & I want to quantify amino acids by RPHPLC, what is the best method with derivatization technique?

31 December 2012 3,195 33 View

Why mobile phase turn turbid? What shall I do to make it clear?

Dear all today I faced a problem while making mobile phase and the composition was A)potassium Dihydrogen phosphate(15g) + Di-sodium hydrogen phosphate(15g) in 1000ml water B) Acetonitrile...

31 December 2011 7,053 20 View

How do i get 100% release of ALA(alpha lipoic acid) from magnesium oxide granules?

dear all today I was carrying out assay of ALA granules in Magnesium oxide. I dissolved. granules in the glacial acetic acid but only 60% release I achived. then i tried in H2SO4 but the ALA...

31 December 2011 9,504 3 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

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

Basis set and input instruction to calculate HOMO and LUMO using Orca for Imidazolium based organic salts?

Hey there, As a synthetic chemist delving into theoretical calculations for my imidazolium-based organic molecules, I would greatly appreciate any guidance on the appropriate input instructions...

09 August 2024 5,444 7 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

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View