Best and fast method to estimate Na, K and Cl in plant fresh mass?

More Abdenour Kheloufi's questions See All

In your point of view, is the deformation theory insufficient as stated in the following context?

In the study of quantum deformations of Witt and Virasoro algebras, the notion of a Hom-Lie algebra first appeared, so is deformation theory insufficient to justify how algebraic structures such...

20 September 2023 3,534 1 View

Aside from the usual explanation and from your scientific and cognitive point of view, do you have another opinion on this compatibility?

Giuseppe Piano was the first to establish the axioms of vector space, where the group axioms were linked to the axioms proposed regarding the second law, “number multiplication,” with a basic...

15 September 2023 4,234 1 View

According to your experience, how will you discuss the following?

Following the findings in the field of deformable algebra, can deformation of an n-dimensional vector space contribute to changing its initial dimension? How will this contribute to finding the...

08 September 2023 7,410 3 View

What kind of seed measurment?

Dear RG Colleagues, I hope you're doing well. I started to work on Myrtus communis seeds and I have a question: What kind of morphological measurment I can do on this seed (pic attached)... If...

01 July 2021 3,344 4 View

What are the main steps to create a new protected area?

Dear RG Colleagues, I hope you're doing well. In my region, I noticed that an area contains a very rich flora and fauna biodiversity. I am trying with a team to establish a complete inventory...

01 April 2021 8,719 4 View

What are the conditions for applying the Stephen Thompson equation in determining the size of a study sample from a population?

Stephen Thompson's equation is among the most popular formulas for calculating the minimum size of a study sample from a study community - what conditions must be met to apply this equation to a...

06 December 2020 4,104 3 View

What kind of morphological parameters for starflower fruits?

Dear RG Colleagues, Can you please show me what kind of morphological characterisation for fruit from the genus LOMELOSIA. Best regards Abdenour

05 December 2019 4,602 3 View

How to create various treatment solution based on pH variation ?

Dear RG Colleagues, I want to test the effect of pH on germination. How to create these different treatment solutions ? pH 2, pH 4.... Thank you

23 October 2019 576 3 View

Experimental design randomized or ?

Dear RG Colleagues, I am trying to study the effect of a biofertilizer and I am confuse about the experimental design. So I have : 3 plant species and only one factor "Biofertilzer" and my...

19 August 2019 5,856 4 View

Can you identify this Ladybug?

dear Colleagues, Can you please identify this ladybug ( Coleoptera Coccinellidae )? Thank you

08 April 2019 8,373 22 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

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

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

The aqueous fraction of the hydroethanolic extract is showing the presence of palmitic acid. What is the mechanism responsible ?

Palmitic acid presence in aqueous fraction

05 August 2024 8,624 4 View

How to convert g/kg Humic acid dose to kg/ha?

I used humic acid at 0.044 g/kg soil in my pot experiment. But finally, I have to recommend kg/ha. Each pot's soil weight was 11 kg. What is the solution?

02 August 2024 7,186 6 View

Methyl jasmonate preparation ?

How do I calculate the stock solution to apply 100 uM MeJA for 1000 ml of plant nutrient medium ?

01 August 2024 723 0 View

Inquiry on Maximum Nucleic Acid Volume for 2.5 mL Liposome Solution?

I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...

30 July 2024 6,420 1 View

Can the limit of quantification (LOQ) of an analytical method fall outside its linear dynamic range, or must it always be within it?

Can an analytical method's limit of quantification (LOQ) be outside its linear dynamic range, or is it always required to be within it? Please provide a thorough explanation supported by verified...

29 July 2024 7,198 9 View

Where to start the Analytical model for Dry sliding wear of metal surface ?

I am doing research on wear mechanism of the additive manufactured metal parts under dry condition. Please share the reference to start the analytical modelling of the wear prediction.

29 July 2024 6,115 0 View

How can I use DFT-D3 correction ( Siesta version 5.0.1)?

Dear Siesta Users, I installed Siesta 5.0.1 and I want to use Grimme's D3 correction. According to the 5.0.1 manual, I could use a few parameters to include the D3 correction in the...

27 July 2024 5,748 0 View

Anoop Kumar Srivastava

Best method of estimating Na and K is the conventional flame photometric estimation after acid digestion of plant samples.There can't be any short cut method , especially analysing the plant samples. The plant samples need to be digested , the most crunch and time consuming exercise..

Bruce Neagle

Distilled and deionized water homogenization overnight into a mash, then 'ion selective electrode (ISE)' quantitation.

Abdenour Kheloufi

Thank you all of you

Please find an interesting PDF..