How to calculate the Humin fraction in the soil?

03 March 2017 0 2K Report

I am studying about soil organic matter. How to calculate the Humin fraction in the soil?

Badges
Science topic

More Vu Van Long's questions See All

What is the correlation between total phosphorus, available phosphorus and Fe-P, Al-P quantities in the soil?

I am studying about soil phosphorus. What is the correlation between total phosphorus, available phosphorus and Fe-P, Al-P quantities in the soil?

11 December 2016 236 0 View

What is the threshold of Degree of phosphorus saturation to runoff Phosphorus into the environment?

I have studied of Phosphorus and degree of phosphorus saturation in some soils in the Vietnam and Olsen'S test was used to analysis the available phosphorus in soils. What is the threshold of...

09 October 2016 387 6 View

What is the soil chemical property affect to phosphorus availability in soils? What is the most importance factor?

08 September 2016 9,761 2 View

Can the Olsen test to analysis soil P available in the acid sulfate soils (or the soil with low pH)?

08 September 2016 6,524 11 View

How do I calculate phosphorus potential buffering capacity (PBC)?

I am studying about phosphorus buffering in some soils in Viet Nam. How to calculate the phosphorus potentail buffering capacity (PBC). It is "k" in the Langmuir formula (the bonding enery...

31 December 2015 4,012 6 View

How to dertemine the best method to analysis soil phosphorus available?

Soil analysis

07 August 2015 6,330 5 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 2,722 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 9,098 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 5,136 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 3,767 4 View

What is the reason for current dropping in OER , LSV curve?

I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...

10 August 2024 3,627 1 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 7,179 0 View

Adhesion strength of coating?

How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...

10 August 2024 939 3 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 7,427 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 5,438 7 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 3,286 2 View