Analytical Chemistry

Analytical chemistry is the study of the separation, identification, and quantification of the chemical components of natural and artificial... | Contact experts in Analytical Chemistry to get answers

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Questions related to Analytical Chemistry

Does anyone can explain about shear mechanism in plastic recycling?

Hello all dear The shear mechanism is mentioned on this site, can anyone explain more? https://www.recyclingtoday.com/article/system-extracts-pigments-from-mixed-plastic-scrap/ Thanks in advance

23 September 2023 7,385 6 View

How to contain nanomaterials with in foams?

We are preparing (sponge) foam-based sensors using nanomaterials as fillers... We are facing the problem of spillage of nanomaterials after dip coating.. is there any way to contain the fillers...

15 September 2023 5,786 4 View

Can you send me pdf of DIN 28021?

Hello all dear I want the latest version of PIN 28021

12 September 2023 4,992 4 View

How much calendaring compaction needed for anode or cathode in Na ion batteries? How much width should be compacted to get better performance?

How much pressure?? and How much less width need?? The coating width is 0.7 to 0.9 mm

11 September 2023 2,548 3 View

Unexpected peak in mass spec positive ion mode, reason?

Recently we are getting strange peak at 8-9 min in LCMS. The peak showing up 50-60% of ACN in the mass spec positive ion mode (please see the attachments). However, the peak was invisible in PDA...

06 September 2023 8,143 0 View

I want to test the Ti3C2 as anode for the lithium ion battery. For testing can anyone help me to calculate the exact theoretical capcity of Ti3C2?

Ti3C2 will be used in half coin cells.

04 September 2023 4,553 4 View

Anyone can help in the method validation for vitamin D3 100IU and Vitamin K2 MK7? HPLC method development?

I'm working on the method development for the Vitamin D3 and K2-MK7.

31 August 2023 1,397 0 View

I’m conducting a stability test on levodopa using HCI as the solvent, but the resulting drug content exceeds 100%?

I’m conducting a stability test on levodopa using 0.1mol/L HCI as the solvent,but on the first day and the third day, the drug content exceeded 100%. May I ask what is the solution?

27 August 2023 8,521 3 View

Could someone please inform me of the specifications for the lyophilizer that must be used to freeze-dry the clay samples??

I need clarity regarding the following parameters 1) Condenser Temperature ( Should I go for -50 degrees or -80 degrees) 2) Vacuum pressure to be applied

12 August 2023 8,845 1 View

What is way to calculate theoretical hydroxyl value?

What is way to calculate theoretical hydroxyl value in polyester resin?

25 July 2023 5,390 0 View

I have a biochar with high inherent phosphorous content, i plan to use it for phosphorous absorption experiment?

The challenge is how can i use the biochar without washing out the inherent phosphorous and have it not leach out phosphorous during absorption experiment?

13 July 2023 3,544 3 View

Can anyone share the CIF File of NiFe LDH?

I want to perform some DFT study for which I require the CIF file. I searched COD and materials project, but it's not there.

25 June 2023 8,210 2 View

Why there are no reliable answers of the health risks of genetically modified food ?

why there are no reliable answers of the health risks of genetically modified food ?

01 June 2023 819 0 View

Can anyone suggest to me an article that has experimental data on activation energy?

I already calculated the activation energy from the output file generated from gaussian. However, I am having a hard time looking for reference material to compare to. My system is CH3Cl + OH-...

28 May 2023 7,759 1 View

Hi, where can I find the PMMA CIF file?

I need a basic CIF file of PMMA with their different crystalographic coordinates in the aim to modyfing it in Gaussian :)

26 May 2023 3,001 1 View

What is the wavelength of Glycerol monostearate maximum absorption in spectrophotometric analysis?

in order to quantify the concentration of Glycerol monostearate in aqueous solution by UV spectrophotometer, what is the maximum lambda of Glycerol monostearate?

14 May 2023 4,366 3 View

No signal of isododecane in GC/MS?

Colleagues I'm trying to determine a concentration of isododecane in one of the products. I prepared a standard solution of isododecane in dichloromethane. The concentration was high, about 1% wt....

09 May 2023 9,426 4 View

In which inorganic solvent does polypyrrole dissolve?

Organic solvents destroy the Ag/AgCl chloride electrode.

25 April 2023 754 5 View

Adhesion Promoter for Ebeam Resist ZEP520A on Si wafer other than HMDS?

We don't have HMDS vapor priming, unfortunately. Is there any other Ebeam resist adhesion promoter that can be used by spin-coating onto the substrate?

13 April 2023 8,625 1 View

While doing UV spectroscopy of copper oxide nanoparticle i have found this graph. Can anyone explain the reason behind this?

copper oxide nanoparticles were dissolved in distilled water at 1:1 ratio.

05 April 2023 797 8 View

What kind of grids are used for TEM test of graphene oxide?

12 March 2023 6,339 3 View

Why do UPF files ignored?

My input file is too long so I'm attaching the file. I'm having problems 1. 2 of my atom UPF files are ignored. 2. Atomic positions below 5th line are all ignored. Can you help me with this? This...

03 March 2023 2,752 0 View

Fast publication journals for Image processing?

Need to publish research paper in impact factor journal having higher acceptance rate and faster review time.

24 February 2023 962 2 View

What are all the Filler Foams used in thin walled sandwich structures?

As per the article Filler Foams used in thin walled sandwich structures to absorb the impact energy. Commonly Polyurethane foam is used as a filler in sandwich structures. Please give me an idea...

18 January 2023 9,349 0 View

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