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Questions tagged [applied-chemistry]

Chemical processes and theories being used in practical and experimental applications.

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2
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0answers
108 views

Effectiveness of getters to keep gasses sulfur free

My engineering task poses a problem with sulfur damaging electronic components. There are enclosed gas volumes which contain sensitive electronic devices as well as NBR sealings and gaskets. The ...
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51 views

Resources where I can find approachable applied literature to understand general chemistry topics?

I am trying to find resources where I can learn about general chemistry topics outside the scope of a textbook, preferably in primary literature. Note, I have read through a general chemistry text and ...
7
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1answer
1k views

What is the difference between wet paint, dry paint, and in between those stages?

A day after painting a closet, I set a piece of wood on the wall of the closet that was painted a day ago as well. Within minutes, both of their layers of paint fused together (please correct me if ...
7
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2answers
668 views

Lithium batteries a reality - why not sodium, pottasium batteries?

Lithium batteries seem to be mainstream now, offering high energy density, high output current capability. Stepping down the periodic table there are alkali metals with greater electronegativity than ...
5
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2answers
195 views

How might ammonia be created in this mechanochemical reaction?

Can mechanical agitation catalyze reactions? It appears so (thanks to Mithoron for the pointer!). We observed the following: We were using 10-micron hBN powder to impact-plate copper bearings (e.g., ...
3
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49 views

Graph of compounds/reactions used on the industrial scale

I'm looking for a machine-readable database describing industrially useful reactions in terms of inputs, outputs, and (possibly) catalyzers etc. for a large portion of, or (much more preferable) the ...
8
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142 views

New finding in cobalt compound that absorbs oxygen - is it really a breakthrough?

Very recently Chemical Sciences published results of the discovery of a new cobalt compound that can absorb oxygen at presumably a higher capacity than what has been achievable before. The paper is ...
7
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1answer
88 views

Is there a known chemical that makes it possible to control the opacity of a large surface?

I have this idea of creating a large domed ceiling/roof for a building that can be made clear to see the actual sky, or made fully opaque/dark grey/black to project an artificial sky onto. I know ...
6
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1answer
880 views

How are piezoelectric crystals made?

I want to know how the powdered formed of piezoelectric material is converted to crystal like used in quartz watches. I know that some more chemicals are mixed with the material and then it is pressed ...
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2answers
1k views

Are there any STP liquids not containing large amounts of hydrogen and oxygen that are safe for human contact?

I'm working on a science fiction short story and was wondering if there were any liquids that would be safe to bathe in while traveling on a space craft with artificial (spin-based) gravity. In such ...
2
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2answers
325 views

Chemiluminescence - Determining Temperature from Luminol Imaging

I'm working on an imaging project and I have no background in chemistry or chemiluminescence for that matter. This is a Computer Science project. While most of the details for it have been worked out,...
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2answers
1k views

Should the volume of a solute be factored into the volume of a solvent when preparing a substance of a certain molarity?

Upon being asked to prepare a solution of a given molarity from a solution with high concentration I was confused whether or not I should factor in the volume taken from the high concentration ...
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94 views

How is N to C ratio measured in forming austenitic stainless steel?

Nitrogen is the future hope of stainless steel industry; since in the production of austenitic steel it can even completely replace Nickel (which is relatively very expensive) in some cases and for ...
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863 views

What is the best invisible ink for clothing?

I am interested in writing and revealing a message in invisible ink for theatrical purposes. I found a list of potential compounds here but I am having a hard time prioritizing which to experiment/...
2
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2answers
57 views

“Chemicals” released in headphone with burned cable

My friend works at a headphone company at the support service and today she came across someone who claimed that he threw his broken headphone away because he had heard dangerous chemicals could be ...
2
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1answer
1k views

How to create the equivalent of luminol for a compound?

How would you go about creating a compound, like luminol, that would visibly react with monomorine I (5-methyl-3-butyloctahydroindolizine) on a household surface (like a kitchen floor)? It is ok if ...
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2answers
82 views

How can I detect a specific molecule on a surface?

Based on the comments and answers, this question wasn't very clear, so I have completely overhauled this question to make it much clearer in another post: How to create the equivalent of luminol for a ...
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1answer
4k views

What does a radical mean here?

I'm really confused as none of the definitions of radical on the internet compare to this. This is from my college textbook of Applied Chemistry- Radicals Every inorganic compound is made up ...
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1answer
63 views

Dangerous chemicals from plastic

When the plastic of water bottles is exposed to light some atoms come off from it and blend with the water, so my question is which are the chemicals and its effects
1
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1answer
108 views

How can I determine/quantify the presence of boron nitride on a metal surface?

We use micron-grade hexagonal boron nitride (hBN) to coat the surface of bullets that are jacketed in gilding metal. This coating is mechanically embedded/plated onto the surface in order to increase ...
3
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1answer
327 views

How does oxygen fight odors? (Deodorant ad)

I saw an ad on tv last night for Mitchum deodorant that showed big text on the screen that said "OXYGEN eliminates all odors!" or something similar. Their website indeed claims "Our exclusive formula ...
2
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2answers
223 views

Is N-methylimidazole an unusual solvent, or are there more common substitutes for it?

I want to test a process that was documented in the literature using N-methylimidazole. I am not doing academic research, but rather testing a documented reaction for application to an industrial ...
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1answer
104 views

Wax and oil polish on wood

Wood countertops are frequently sealed, when a non-hardening, food-safe finish is desired, with some magic cocktail of waxes and oils. Typical components might include mineral oil, beeswax, and ...
4
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1answer
819 views

How do I perform a gravimetric analysis of Portland cement?

To determine the silica ($\ce{SiO2}$) content in Portland cement by gravimetric analysis it is digested in $\ce{HCl}$ and the silica residue is eventually measured. The chief constituents are $\ce{...
2
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1answer
113 views

gas chamber for calibrating gas sensors

I have $\ce{CO2}$, $\ce{CO}$, $\ce{O2}$ sensors and need to calibrate them. Can anybody help me to produce the $\ce{CO2}$, $\ce{CO}$, $\ce{O2}$ in laboratory for calibrating the sensors (the gas ...
7
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1answer
134 views

Are there any significant industrial processes that use liquid ammonia as a solvent?

There are some interesting laboratory reactions that use liquid ammonia as a solvent (for example, the Birch Reduction where an alkali metal is dissolved in liquid ammonia). There have also been some ...
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2answers
2k views

How do I make a paper white again?

Suppose I have a white paper originally. Then it is placed in a trunk, where soda spills occasionally and gasoline gas/gasoline also spills due to no gas tank cover. Over time, this paper becomes ...
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491 views

speeding up etching process of a copper board

Background: I use Sodium persulfate to etch a copper board to manufacture home made Printed Circuit Board (PCB). On the etching powder's plastic, it is written that: 1.5-2dl of etch powder in 1 ...
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1answer
1k views

How Does The Mordant, Ferric Acetate, Interact With Tannins When Ebonizing Wood?

Ferric Acetate (II) and (III) are "mordants," which intensify wood staining in direct proportion to the tannin concentration in the wood. Some wood stainers add tea to increase the tannin content and ...
12
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2answers
716 views

Can we process waste just by decomposing it to homogenous mass and extracting the elements from it?

I. e., what if we just burn trash completely or dissolve it in acid, get the resulting paste and extract pure chemical elements out of it by applying some physics and/or chemistry to it until no more ...
7
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2answers
5k views

Selective etchant for Al2O3 (Does not etch Al, Cu, Zn, Sn)

I'm looking for a wet-etchant to remove aluminum oxide created by anodizing, but not etch the unoxidized metal (with greater than 10:1 selectivity) I know about chromium(IV) oxide and fluorine-based ...
14
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1answer
4k views

Ceramics in “bullet proof” vests?

Kevlar is an aramid fiber that is used in ballistics protection vests. From the structure (structure shown from Wikipedia article), you can see why it would work to dissipate the energy from a bullet ...