How can I prepare pure NiO oxide from Ni2O3 black nickle oxide??

More Kavitha Karuppiah's questions See All

Hi, I would like to test different disinfectants and its effects on biofilms in microplates, which paper has the best protocols!?

I need to do it only in microplates and read the OD value for the results. I cannot use any other assays except microplate. Please help me with this

07 December 2020 5,698 3 View

What is the acceptable margin error?

The calculated sample size for my study is 324 with 5% margin error. However, only 230 respondents responded the questionnaire completely. In this case, what is the margin error for this actual...

07 July 2020 524 7 View

What is another alternative to Polyvar 2 Microscope with hot plates and polarizer to check for solubility of drug in lipids?

What is another alternative to Polyvar 2 Microscope with hot plates and polarizer to check for solubility of drug in lipids? To also obtain maximum solubility reading?

02 February 2020 7,999 2 View

What is another alternative to Turbisan Lab Expert to check for nano lipid particles stability?

What is another alternative to Turbisan Lab Expert to check for nano lipid carrier's stability?

02 February 2020 9,150 2 View

XPS spectrum of CuO ?

Why the XPS spectrum of CuO doped in WO3 thin film samples show BE peaks of Cu(0) and/or Cu(I) state of copper and also Cu(II) state of copper. What is the reaction mechanism? Here the CuO doped...

26 July 2019 7,634 8 View

Why TDDFT calculation does not match with the experimental UV-Vis spectrum?

I have calculated the structure of a metal(Ag) complex for which the crystal structure data is available with us. The UV-vis spectrum of the complex shows a very strong absorption at ~250 nm and a...

08 October 2018 221 3 View

What is the difference between Factorial ANOVA and Multiple Regression?

I used same variables (3 IVs and 1 DV) to run factorial ANOVA and multiple regression. I expect the similar findings on the linkage between IVs and DV. However, the findings seem not linking each...

30 August 2018 129 13 View

Doubt on microbiological testing ?

I am conducting microbiological testing on QC samples recently. I did a test to get Total bacterial count (TBC) on a sample. And I used pour plate method. I am encountering some errors recently....

15 August 2018 6,673 9 View

Why Factorial ANOVA table called "Test of between Subject Effects" shows no value (-) in F ratio column for interaction between 3 IVs?

I have run Factorial ANOVA to identify main effect and interaction effect between 3 IVs and 1 DV. The output table called "Test of between Subject Effects" shows no value (-) in F ratio column for...

11 August 2018 7,900 3 View

How to estimate the potassium sulphate in the organic fertilizers ?

Dear Experts, kindly suggest me a best method to estimate the percentage of potassium sulphate in the organic fertilizers.

09 April 2018 1,656 12 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

Thermal reduction of graphene oxide.?

I am trying to reduce graphene oxide by thermally but I have no proper information regarding this. Can any one help me regarding the details about temperature and time for the reduction of...

23 February 2021 4,155 4 View

Color of spiro-ometad film?

What does the color of a spiro-ometad film indicate? I got purple, green, red, even black color of the spiro film. Is there anything we can get from the preliminary color analysis(e.g. oxidation...

21 February 2021 1,831 4 View

Which compound is getting oxidized during bulk electrolysis with TFAA?

The experiment is really simple. When I do a bulk electrolysis with 1% TFAA (ACN solution) to get dihydrogen, what is going to be oxidized? (working electrode graphit, counter electrode platinum,...

18 February 2021 4,430 1 View

How to predict the reaction pathway for electro organic synthesis?

Can anyone recommend some any software/models available that can predict substance reactivities and the reaction yield under a specific set of reaction conditions process and proposing pathways to...

17 February 2021 2,383 3 View

ZnS oxidizes to ZnO!!why??

when I put my ZnS solution in the chemical bath, the ZnS oxidizes so there are ZnO peaks appearing because of the reaction with the oxygen in the air, despite the fact that I close the beaker...

14 February 2021 5,778 9 View

How to do the calculation for super oxide dimutase assay and how to calculate the R squared value in regression equation for catalase assay?

i have the enzymatic antioxidant assay by following the method of Misra and Fridovich, 1972 for super oxide dimutase and Luck, 1974 for catalase assay can any help me how to the calculation for...

11 February 2021 2,241 3 View

How can I add the metal oxide NP's to the cell lines? I have to make some drug and NP conjuhgates. How much concentration to use? Need some help?

Hi everyone. I am working on metal oxides. I need to make some conjugates of drugs and NP. But I am unsure of what concentrations to make. I have read some articles, but they haven't mentioned...

10 February 2021 3,372 2 View

Are there any thermochromic materials that reflect infrared light (~9000nm) at 10C and transmit infrared light at 25C?

So I know some metal-insulators (ex VO2) have thermochromic infrared-reflective properties, but most of these are insulators at low temperatures and conductive at high temperatures. Some...

07 February 2021 1,770 3 View

Djaafar Zemali

Note that all minerals and their oxides have physical properties, chemistry and methods of preparation. For this you get references in mineral Chemists or a specialist in this area

Janakiram Vangada

Dose the Black Nickel Oxide get converted to green after heating to 250-350 C ? Is there any approach for converting black nickel oxide to green. please advise.