Is there any trustable methods to determine the biodegradable plastics? if yes please furnish the details with any publications?

More Ramadoss Govindarajan's questions See All

What is the physical significance of intrinsic permeability tensor, which accounts for the macroscopic drag on the solid-grains?

Reservoir Engineering 1. Whether Stokes equation that characterizes low Reynolds number incompressible flow of a single-phase Newtonian fluid in a rigid porous medium governed @ pore-scale with...

13 July 2023 4,586 0 View

What is source of phosphorus or phospate which is much involved in energy transfer in the form of ATP or ADP etc?

All metabolism involves energy tranfer and stored in the form of ATP or ADP. We take carbohydrates, consume oxygen, but where comes this phosphorus and phospate which is always involved in the...

04 April 2023 4,298 2 View

Blood from the right artery is fed to the right kidney and left artery to to left kidney. If so, if one of the kidney is removed how do they manage?

Now a days for a few kidney patient on inevitable condition they remove one of the kidneys. Human body by nature right artery fed the blood to the right kidney and left artery to the left kidney....

28 January 2023 8,158 3 View

Blood transfusion is medically accepted for the same group with the same rh factor;the genetic factors cannot be the same. How come the body manage?

Though on emergency the blood transfusion is proven medically, the genetic factors like DNA, RNA etc cannot be the same. How come the body accepts or manage or else whether the transferred blood...

01 October 2022 9,116 1 View

How can we measure Hysteresis loop (P-E loop) for a thin piezoelectric composite?

Dear all, I wanted to measure the P-E loop for a thin piezoelectric composite. Was looking for information, where I am able to get only the collected data (graphs), but not the procedure part. If...

19 May 2022 1,265 0 View

Why the capacitance retention is decreasing or increasing when the number of cycles increased in the electrochemical super-capacitor studies?

Hi, What is the reason for decreasing the capacitance retention with respect to the number of cycles increased in the electrochemical super-capacitor studies? I have performed the cycling...

11 May 2021 332 5 View

Gas production from a CBM Reservoir: What kind of hydrological conditions associated with a coal-bed may not allow an efficient de-watering process?

Methane production from a CBM Reservoir: In the absence of a conventional gas trap, what kind of hydrological conditions associated with a coal-bed may not allow an efficient de-watering...

25 February 2021 7,302 1 View

AVL FIRE_Simulation Results_calculating efficiencies???

Dear All, I'm working on my thesis with AVL FIRE. I have modelled a SI engine combustion chamber and simulated only compression and expansion strokes. I have got the results. The work per cycle is...

04 February 2021 1,944 2 View

Can optical rotation of the sugar be done for diabetes patients which may reveal more facts?

Diabetes patients are being tested for their sugar level, but I suspect poor quality of sugar that is produced in sick human body hinders the secretion of insulin?

19 November 2020 8,782 1 View

After Pyeloplasty, is there an actual increase in function, as demonstrated by Nuclear Scintigraphy?

Renal function is based on the fixed number of nephrons, which may not be newly formed

03 April 2020 6,053 3 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

Please explain how the plastic input value should be considered from the true stress-strain curve for the bilinear elastoplastic material model ?

I am working on Abaqus/Explicit(Quasistatic ) for the deformation of the auxetic structure model. Please explain how the plastic input value should be considered from the true stress-strain curve...

05 August 2024 454 3 View

Polymer wear calculation?

What is the method for analytically calculating the wear and service life of polymer-polymer sliding pairs?

04 August 2024 1,078 1 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

How to explain the different interaction between soluble and insoluble polymer in water?

Hello everyone, I am try to understand the differences interaction between insoluble and soluble polymers in water with metal ions and how theit charge density (of metal ions) affect the interaction.

29 July 2024 6,350 3 View

Water Consumption in Plastic Recycling: Is it Higher Than for Virgin Plastics?

Hello, dear colleagues, I would like your help in finding a reference that provides an average water savings due to plastic recycling compared to the consumption of virgin materials, preferably...

29 July 2024 4,630 0 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

Vit Mateju

This could be helpful for you:

Article Laboratory Test Methods to Determine the Degradation of Plas...

ASTM D5988 - 12 Standard Test Method for Determining Aerobic Biodegradation of Plastic Materials in Soil

Microbial Oxidative Degradation Analyzer (MODA) according to ISO 14855-2.

http://edepot.wur.nl/193543

http://worldcentric.org/files/wheatstraw-astm6400.pdf

Best regards Vit

John Summerscales

The biodegradation of a polymeric materials under controlled composting conditions is the subject of a number of standard methods, including ASTM D5338, ASTM D6400, ASTM D6868, EN 13432 or ISO 14852.