What is the test procedure to analyze the glycerol concentration in a wastewater sample?

More B.K.T. Samarasiri's questions See All

Is there any possible way to separate mycelium from the solid-state fermented waste material?

I would like to know the existence of possible ways to separate mycelium after the solid-state fermentation of waste material. I know about the membrane culture process for mycelium but couldn't...

26 February 2023 3,778 2 View

How to calculate correlation coefficient for data sets with non linear relationships?

I have data sets with strong non linearity and want to find correlations between them for my research paper calculations. I know that Pearson correlation coefficient is used only for linear...

07 April 2019 3,802 10 View

Is there any equation/method to find the residence time of a screw conveyor reactor?

Equations of residence time can be derived for batch reactor, CSTR and PFR easily by using first principles. But is there any particular method to find residence time of screw conveyor (auger)...

12 September 2018 1,614 16 View

Is there an easy direct injection test procedure to analyze fatty acid composition in wastewater using Gas Chromotography?

Using Agilent 7820A GC system equipped with an Agilent DB wax column (30m × 250 µm id., film thickness 0.25 µm) Standard available : Supelco® 37 Component FAME Mix

09 June 2018 4,017 3 View

What will be the most economical and environmental friendly future energy source next few decades in 21st century?

Energy source having high energy yield which is cheap and has less impact on global warming and other environmental issues.

10 August 2017 4,525 6 View

What is the difference between sequential batch feeding and semi continuous feeding? (in anaerobic digestion) Are they similar or different?

I'm conducting a research on anaerobic digestion. My reactors are 1 L reactors and my working volume is 1L. I can add and remove mixture from the working volume at anytime for the analysis and...

08 August 2017 823 3 View

How do I prepare a Phenolphthalein indicator solution for an acid base titration?

Please recommend me some research papers or standards mentioning the method.

01 May 2017 1,412 2 View

How do I prepare samples to measure total chemical oxygen demand of granular sludge sample?

Granular sludge contains heavy particulate matter in which it is hard to take 1 ml of sample by pipette and dilute before digestion in chemical oxygen demand.

21 March 2017 5,685 4 View

What is the test procedure to analyze fatty acid composition in HPLC?

Using Agilent ZORBAX Eclipse Plus C18 column or Infinity Lab Poroshell 120 EC-C18 HPLC column on Agilent : 1260 Infinity II LC System

30 October 2016 3,727 5 View

What are the methods to enhance the beta oxidation of long chain fatty acids in anaerobic microorganisms?

To enhance the metabolism of long chain fatty acids in anaerobic microorganisms.

17 August 2016 5,234 2 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

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,005 2 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

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 3,291 2 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

Is it true that $\det(V(A))$ may be only $\pm 1$, depending on $n$, for the last symmetric tridiagonal matrix $A$?

One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...

08 August 2024 6,690 1 View