How NaNO2 reacts in acidic conditions such as HCl?

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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

I want a clear and brief answer about Taguchi L9 Orthogonal Array ?

my experiment is Turning of Inconel under "3 Level" and "3 parameters" like; Speed, Depth of Cut, Feed. how to apply ? Thanks in advance.

05 March 2024 6,952 3 View

What can be the mechanism for this reaction in attached file?

Cross coupling for insertion of the chromophore

20 February 2024 9,433 0 View

How do you calculate a subgroup's mean and SD when you have the mean and SD of all other subgroups and the whole mean and SD?

Hi everyone! Recently, I've been working on a systematic review and meta-analysis, and I needed to calculate EDSS (a disease severity score) for multiple sclerosis patients. Imagine that a study...

19 February 2023 7,700 2 View

Is there any maximum number for studies that can be included in scoping review?

Is there any maximum number for studies that can be included in scoping review? This is Homa Arshadi, Ph.D. Candidate of medical library and information sciences. I need some help with the...

29 November 2022 6,037 4 View

I’m searching technical date of a type of ZSM-5 catalyst that is being used in olefine crecking process to convert C4+ olefines to light olefines?

Special ZSM-5 catalyst (synthesis and technical data) for converting C4+ olefines to light olefines.

18 August 2022 1,051 1 View

How to analyze the complexity of double deep Q-learning (DDQN) algorithm?

How could I analyze the complexity of the double-deep Q-learning (DDQN) algorithm? Is it sensible to compare it with a normal deep neural network? Is the required time for convergence with a...

03 April 2022 4,502 4 View

Bacterial pathogenicity in fish?

Is there a laboratory test for being pathogenic or not a Bacteria in fish that not be needed Inject bacteria into fish or dipping? For this purpose, is a bacterial culture in blood agar medium can...

30 October 2021 8,257 3 View

What is the method for measuring heavy metals other than Atomic absorption spectrometry (AAS)?

10 July 2021 4,514 15 View

Relationship between pH and phosphorus concentration?

Does the pH always decrease as the phosphorus concentration increases? Has anything been observed to increase pH as phosphorus increases?

25 May 2021 9,518 9 View

What is the reason for current dropping in OER , LSV curve?

I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...

10 August 2024 3,629 1 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

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

Determining the worth of a point improvement in Hamilton Depression Scale?

Dear readers, Thanks for your attention. I am wondering about the health economic problem of quantifying the value of interventions which a) prevent, b) improve symptom profile and c) ultimately...

05 August 2024 3,246 1 View

Should I remove an item from a scale to raise Cronbach's alpha and McDonald's omega or is it better to leave it if they are both over .7 already?

Hello! I have this scale which had 10 items initially. I had to remove items 8 and 10 because they correlated negatively with the scale, and then I removed item 9 because Cronbach's alpha and...

01 August 2024 4,606 7 View

Why 3 replicates for most biological assays? Is it enough to examine the data fits normal distribution?

Just bounced on me. Before statistically analysing significant difference, shouldn't we see if data fits normal distribution first? Is 3 replicates enough to testify the hypothesis of normal...

31 July 2024 8,141 13 View

Posthoc test lettering in JAMOVI?

Does anyone know of a module for the JAMOVI software that is capable of generating mean separations using the classic letters based on post hoc results (e.g., Tukey test)? If, as I believe, such...

31 July 2024 3,333 4 View

Conjugation of PEG-Amine to an Amino Acid Using EDC?

I am attempting to conjugate PEG to an amino acid at the C-terminus, for the purposes of producing nanoparticles. I have been told that PEG modified with amine groups can be used for this purpose,...

31 July 2024 2,033 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

Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?

Hi, researchers, Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?

29 July 2024 4,570 0 View