Contact experts in pH to get answers
1,252 views 3,216 posts
Questions related to pH
Hi. I am familiar with the following process for calculating conductivity from a Nyquist plot: 1. Run impedance on potentiostat 2. Plot - Imaginary Z vs Z 3. Generate equivalent circuit 4. Fit...
02 June 2022 7,878 0 View
Volatilization of ammonia in the soil Application of urea intp the soil
02 June 2022 4,012 7 View
I want to know about the limits and value of white side test for mastitis detection such as leukocytes/ml for 1+/2+/3+/4+ reaction. any suggestion for rapid counting methods of epithelial cells...
30 May 2022 4,777 1 View
i am using the protocol written by Britta Blumenthal (2011) on a bacterial transcription factor. My lanes are smearing and getting stuck at the stacking/separating interface. How do I improve my...
27 May 2022 8,153 5 View
This was collected at Townsville, Queensland, Australia. It does not match any of the native species known from Townsville or elsewhere in Queensland, so perhaps it is an introduced species?
26 May 2022 4,651 3 View
Does anyone know dipole moment values of cationic Poly(2-(methacryloyloxy)ethyl trimethylammonium chloride) and anionic poly(3- sulfopropyl acrylate potassium)? Are there any references reporting...
22 May 2022 3,893 4 View
Co-contamination of fluoride- arsenic , arsenic-lead are prevalent due to geo-genic issues. Sometimes they are also associated with high iron content in ground water. Is co-contamination behave...
19 May 2022 535 3 View
Solutions of iron tend to oxidize in the presence of air. Ferrous iron oxidizes quickly to Ferric. Ferric iron seems to precipitate at pH > 3 or 3.5. I also noticed a solution of Ferric Nitrate...
16 May 2022 9,048 0 View
I'm currently conducting a study on Lactic Acid Bacteria. I'd like to know if any other groups of bacteria other than LAB can grow on MRS agar.
14 May 2022 2,127 4 View
See scenario below: You are monitoring a certain chemical reaction (browning) of a product stored at different temperatures over a certain period. When applying kinetics to determine the...
13 May 2022 2,851 7 View
I would like to see how other laboratories deal with pH-meter habits such as: - Do you turn it off every day before leaving the lab? Completely unplugged or just switched off? - In that case do...
13 May 2022 3,150 9 View
Hello, I`m testing LPS (10 ug/mL to 40 ug/mL) with IEC-18 cells and doesn´t reduce cell proliferation (MTT assay). We have changed the cell type and tested several batches of LPS and we don't...
12 May 2022 6,062 2 View
Here is my synthesis process: Synthesis of silica nanoparticles by reverse microemulsion method(size: 50nm)(In this process, a mixture of TEOS and ATPES is added as a silicon source, and...
12 May 2022 8,173 3 View
I have a sample of 363 participants and 6 quantitative Likert scale variables in a correlational design. I am exploring the relationship between tertiary education students' mental health...
09 May 2022 8,415 11 View
milk, baby formula has an expiration date beyond which it is unfit for human consumption. Manufacturers, who must discard millions of pounds of outdated formula annually
07 May 2022 3,914 3 View
What is the difference between voids and pores. When I want to study water absorption of a composite in order to predict the saturation water uptake I need free volume. Should I calculate just the...
05 May 2022 8,033 3 View
A mixture of starch, water and glycerol was mixed with constant stirring and heating. It was then mixed with the solution of PHB. The solution was constantly stirred and heated. Bead like...
30 April 2022 2,697 5 View
This plankton was found in tropical freshwater sources. want to identify the species on the top right (diatom). The sample was collected using a 45micrometer plankton net.
28 April 2022 8,991 13 View
Dear Researchers! I calculated the values of CCA, with 7 environmenta variables (independent) and 15 species (dependet variables), three different sites. The results are there in graphical form....
27 April 2022 7,247 3 View
Oatmeal Agar Media for cultivation of Streptomyces sp.
27 April 2022 2,821 2 View
Hi Everyone I am trying to calculate needed lipid amount from initial D:L ratio prior to remote loading. I have a drug compound with a concentration of 1mg/mL (volume=1ml) with an MW=521.6 which...
21 April 2022 7,404 2 View
I made microchannel on silicon wafer by fiber laser, but some substance was formed above the channel surface. I suppose this as silicon dioxide, and want to remove this from silicon channel. But I...
20 April 2022 7,817 3 View
I have tried free trial version of FCS express software for analyzing DFI data. However, I am finding some technical difficulties using the same. That is why I have put forward this question....
19 April 2022 6,647 0 View
I fitted experimental data to obtain the best suited isotherm using Rstudio and CAVS. Redlich-peterson model was the best fit. However, the softwares generated a beta value above 1(1.99 and 2.44...
19 April 2022 7,435 2 View