Detection of hexavalent chromium by colorimetric agent, how we can prepare 1,5 diphenylcarabazide reagent soloution and added into sample soln.??

More Maham Rubab's questions See All

Why olive oil is used along with CCl4 to induce nephrotoxicity?

Why olive oil is used along with CCl4 to induce kidney injury other than as a vehicle? Plus can it be used for 48 hours before dissection or 24 hours is more preferable? If possible add research...

12 June 2024 5,657 0 View

What are the application of data analytics in supply chain for demand prediction?

We want to learn the application of data analytics in supply chain for demand prediction.

15 October 2023 8,412 3 View

I need the dataset to test my simulation. Can someone help me with this?

I am doing my graduate research on Through-the-wall radar imaging (TWRI) to detect and image human and animal (cat) targets. I need the dataset to test my simulation. Can someone help me with this?

07 August 2023 8,921 4 View

How can I relate The use of 3Rs in solid waste to master planning?

I have to make a Master planning report on Solid waste with the use of 3Rs (reduce , reuse, and recycle). How can I connect these two things with the help of GIS?

05 January 2023 7,677 3 View

Is glycerol is hydrophilic or hydrophobic ?

whats the reason and what is the polarity

29 June 2022 2,079 6 View

?why titanium dioxide decrease the elongation value in bioplastic? even the plasticizer glycerol was added?

if titanium added in gelatin-based bioplastic so why the elongation is less.. Its value decreased just bECAUSE OF TIO2 or plasticizer?

28 June 2022 7,018 3 View

If titanium dioxide is expensive then why it is used in biopalstic?

whats the reason for using titanium dioxide in bioplastic if it is costly? is there any reason to justify it ???

13 June 2022 7,436 4 View

Why bioplastic that is made from gelatin, after the addition of PEG get stiff ? how i could manage it for not going stiffer anymore?

after pouring and drying when i am going to take out my sample then its harder whats the reason?

06 June 2022 7,422 3 View

If we want to make a bioplastic from gelatin then how to peel off the membrane/film from petri plate?

if we make bioplastic and add all the ingredients and pour in to petri plate then how to takeout our product when its dry?

11 May 2022 376 0 View

How to set the exact ratio/concentration of gelatin to make bioplastic?

i want to make bioplastic from gelatin and it creates a difficulty for me to set the ratios

09 May 2022 8,196 2 View

Absorption coefficient of methane?

Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?

06 August 2024 980 5 View

Can I multiplex a mouse monoclonal and rat primary for IHC (mouse brain tissue)?

Hi all, I was just wondering if anyone has experience with multiplexing a mouse monoclonal primary and a rat primary. I'm trying to multiplex by incubating them in the same well but was told by a...

06 August 2024 9,710 1 View

In the presence of VERY high concentration (1000 ppm) of silicon, the adsorption isotherms of arsenic are showing anomalous trends, why so?

I conducted an adsorption experiment of arsenic on soil in the presence of different doses of silicon as competing ions to see the effect of silicon on arsenic adsorption and desorption. I took 5...

03 August 2024 6,500 3 View

Interested in a SCOPUS collaboration?

Hi RG family. My team and I are working on some SCOPUS publications and we need co-authors who are willing and capable of undertaking both qualitative and quantitative-based studies. The scope...

02 August 2024 7,843 0 View

Interested in a SCOPUS collaboration?

Hi RG family. My team and I are working on some SCOPUS publications and we need co-authors who are willing and capable of undertaking both qualitative and quantitative-based studies. The scope of...

02 August 2024 8,572 0 View

Does anyone have issues using Prepman Ultra reagent for MicroSeq ID bacterial, fungal and yeast sample preparation?

I have been attempting to extract DNA from Bacterial, Fungal and Yeast banked samples (>1e7 cells) using Prepman Ultra reagent and I seem to be struggling to obtain a sequence. Although the...

01 August 2024 2,079 0 View

Addition of EDTA during the synthesis of copper nanoparticles to prevent it from being oxidized?

I've attempted to use this method to synthesize copper nanoparticles. Copper nanoparticles can be synthesised using a variety of precursor materials. CuSO4, distilled water, NaOH, and EDTA are...

28 July 2024 8,027 3 View

How to Select the most suitable machine learning algorithm depending on the characteristics of the given dataset ?

I'm working on a project that involves analyzing a new dataset, and I'm at the stage of selecting the most appropriate machine learning algorithm. The dataset consists of both numerical and...

22 July 2024 6,097 7 View

How to calculate pseudo order kinetics?

I know the rate law. But for my photo-catalytic experiments, first 90min is adsorption (dark) and next 150min is under UV light (total 240min). How to remove the adsorption part for calculation?...

21 July 2024 8,807 6 View

Can sulfuric acid be used to prepare anthrone reagent when it has oxidized and changed color in reaction to light?

Sulfuric acid has changed color to yellow.

16 July 2024 6,964 0 View

Abdelkader BOUAZIZ

Dear Maham Rubab, thé following link provides all needed concerning this reagent. Please tell me if you don't have access to these chapters. My Regards

https://www.sciencedirect.com/topics/chemistry/diphenylcarbazide#:~:text=1%2C5-Diphenylcarbazide%2C%200.2,solution%3A%201%20mg%2Fml.

The attached file summerizes the practical procédure. Good Luck

Ajay Kumar Meena

You check in APHA book standard methods for water and wastewater analysis