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Questions tagged [home-experiment]

For questions about a small-scale experiment which can be undertaken with reagents readily available around the house, while observing standard laboratory safety principles and practices. Do not confuse this tag with [everyday-chemistry] or [food-chemistry].

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26 views

Determining electrolysis voltage thresholds re: rust removal and zinc

I've been slowly getting the hang of removing rust from iron with electrolysis. However, the assembly I'm working on now is a mix of mild steel and galvanized (zinc-plated) steel parts, and cannot be ...
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0answers
22 views

How to make my water destillery most effective?

I got a destillery for water with a capacity of 10l and a get the most of a spiral cooler in a 1l cooling pot mounted on top. I'm happy with the efficiency, however there's always room for improvement ...
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2answers
122 views

Peak in beer freezing temperature plot

I left an open beer in the freezer while monitoring its temperature. The first minutes works as expected. But after the plateau, at about −8 °C, a peak appeared: I thought it was an artefact because ...
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1answer
27 views

Reaction between sodium hydroxide and silicon dioxide [duplicate]

I was trying to make sodium silicate according to the following reaction: $\ce{SiO2 + 2NaOH -> Na2SiO3 + H2O}$ I used colloidal silica available as an intestinal adsorbent since reaction with ...
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1answer
36 views

Sodium acetate stoichiometry from baking soda and vinegar

I want to make sodium acetate from sodium bicarbonate and vinegar. I'm a bit stumped at calculating amounts of each reagent. I'm starting with 8% acetic acid vinegar. I was going to add, to 1 L of the ...
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1answer
60 views

For home chemistry purposes can you treat sodium percarbonate as sodium peroxide?

It is easy to find home chemistry experiments for sodium peroxide but not so much sodium percarbonate. Industrially sodium percarbonate is used a sodium peroxide source- it is close enough to used as ...
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0answers
61 views

How do I get calcium citrate to precipitate in experiment on extraction of citric acid from juice?

I was planning to extract citric acid from mango juice by first using Aspergillus niger fungus by fermentation to convert the mango juice to citric acid, then extracting by first adding sodium ...
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1answer
70 views

Heating NaOH solutions

I am trying to determine the best heat at which to use an NaOH solution to clean a textile fiber. This is being done, carefully, in Asian villages. The raw material is ribbons of bark peeled from a ...
2
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1answer
75 views

Looking for a compound that when mixed with sugar will burn when a drop of water is added

Years ago, I watched a Johnny Carson episode where a guest on the show mixed a compound with ordinary table sugar and added a drop of water and the mixture burst into flames. I went and bought the ...
2
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0answers
30 views

What is an effective preservative for guar gum slime?

I am attempting to find an effective preservative for guar gum slime. I am using typical recipes: A borax solution of 4%, a guar gum solution of 5% using distilled water, and a mix ratio of 20:1 (guar ...
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0answers
52 views

How to melt and roll silver chloride into sheets

I want to make silver chloride cathodes for a magnesium salt water battery. Are there any tips on how to proceed? I hope to melt the silver chloride in a covered ceramic crucible in an electric ...
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1answer
44 views

How to evolve hydrogen from aluminum when the household drain cleaner is safe to use on aluminum?

I live in Japan. I would like to evolve hydrogen to demonstrate to my son buoyant balloons (we have helium aerosol cans here which barely fill one balloon). There are drain cleaners here with low ...
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3answers
144 views

Safe chemical reactions to start a campfire [closed]

I'm looking for a way to start a small fire electronically with widely available chemicals. It would be great if they are safe to use with metals (not necessarily). But the biggest requirement is that ...
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0answers
33 views

Is there a known value for the molar extinction (absorption) coefficient for amylose and amylopectin iodine complexes?

I am doing a colorimetry experiment with starch, and have a theoretical model based on Beer's law. To solve it, I need a known value for the molar extinction coefficients of amylose and amylopectin ...
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1answer
46 views

Should I be worried about the waste from "sugar rockets" and other potassium nitrate fireworks?

"Sugar rockets" or sparklers made of metal fillings, potassium nitrate and some carbon compound are easily made, and there is a lot of tutorials and videos on the internet suggesting them as ...
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0answers
53 views

Chemically producing sodium metal from magnesium

Anyone with experience making sodium metal ($\ce{Na}$) with the following process? Reactants: $\pu{14 g}$ magnesium powder, $\pu{20 g}$ sodium hydroxide; Catalysts: $1$ to $\pu{2 g}$ menthol crystals; ...
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42 views

Can I use silica gel to perform column chromatography at home?

While this question has been asked and answered, it may indicate that a column chromatography qualitatively is possible. At home, is it possible after collecting silica gels from small bags of them ...
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1answer
43 views

Making carbon powder using fireplace and weak acid

I am doing a little home experiment trying to make as pure carbon powder as I can. I plan to then used it to eat up oxygen from a container where I want to try to melt aluminum. My process was ...
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0answers
86 views

Could you use All-Purpose Flour as a model rocket fuel?

I'm building a model rocket, and I'm trying to find a good fuel. I've done a lot of research and I know about r-candy and the aluminum-ammonium fuel, but I was wondering, before I made any of these, ...
2
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1answer
145 views

Can you make R-Candy without heating the propellant mix?

I'm wondering if there's any way you can make "Rocket Candy" (or R-candy) fuel without cooking it. I'm building a model rocket that I'm hoping will get about 3 km on my first build (It's not ...
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1answer
75 views

Why does Cody use Litharge? [closed]

In many of the precious metal refining videos Cody (Cody's Lab) takes the sample with the precious metal and puts Litharge into it. After heating it in the furnace, while pouring it out the molten ...
2
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0answers
80 views

Hydrogen peroxide and potassium iodide reactions

What is the explanation for the two possible reactions of $\ce{H2O2}$ with $\ce{KI}$ in acid media (iodide-catalyzed decomposition of hydrogen peroxide or iodide oxidation by hydrogen peroxide) and ...
2
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0answers
21 views

Ethanol and water resistant adhesives

I need an adhesive that can bind to ABS plastic but is highly resistant to ethanol, isopropanol, and water. It's for use in an environment where it will spend a significant amount of time soaking in &...
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1answer
53 views

Catalyst and Inhibitors home experiments

My teacher assigned me a science experience involving catalysts and inhibitors at home. I think I understand the principle of it, but I fail to find possible experiments that I can do at home with a ...
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0answers
33 views

Titanium Dioxide and plastic

How would you recommend attaching a film of anatase to a flat polycarbonate surface without compromising its photocatalytic characteristics? The self cleaning paints that I have seen are generally ...
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0answers
49 views

How to measure purity of nitrogen gas in a "homemade" way?

Is there any indicator or a way of measuring purity of nitrogen? The lab-way of doing things is out of my reach and I was thinking about a DIY way. I want to decrease oxidising atmosphere in a ...
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0answers
42 views

Purpose of water bath- rate of formation of precipitate in haloalkane hydrolysis

In a high school experiment for observing the rate of formation of precipitate with Silver Nitrate in the hydrolysis reaction of different haloalkanes (Chloroalkane, Bromoalkane, Iodoalkane), a water ...
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2answers
129 views

Electrolysis of copper chloride in solution of Vinegar + H2O2 + NaCl after copper etching

I did copper etching (to make a PCB) using a solution of vinegar + H202 + NaCl and now I need to dispose the solution. There is no waste collection for this kind of stuff where I live, so after some ...
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1answer
70 views

Phosphoric acid spill cleanup

While working with some rust converter (MSDS, ~20% phosphoric acid by weight), a sequence of events that would make Rube Goldberg proud led to me spilling about 500mL of it all over the place. Yes I ...
12
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2answers
1k views

Cleaning with vinegar and sodium bicarbonate

Mixing sodium bicarbonate with vinegar (and sometimes adding dishwasher detergent) is quite a common tip on the internet. But I have never understood the reason. I saw there was a question about using ...
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2answers
711 views

Is there a safe way to neutralize bleach at home [closed]

I don't want to simply replace one hazardous chemical with another. The bleach is stubbornly clinging to my shower walls and I feel its effects every time I take a shower. Ascorbic acid seems like the ...
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1answer
77 views

Is this calculation of the amount of required hydrogen gas correct?

I was a bit hesitant to post this question for it may appear like a "homework help" type of question. But upon rethinking it felt like a genuine question. I was studying stoichiometry with ...
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1answer
50 views

Use an Ozone generator to get rid of fungus in the flat? [closed]

I was told that I can use an Ozone generator to get rid of fungus (resulting from not enough fresh air I suppose). But I didn't find any reputable source for that claim. Would it work, Chemists of ...
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0answers
21 views

Isolating additives in alcohol products

Given an alcohol-water solution (Liquor products) that may have additives and/or may have been aged in wood, I'd like to boil off the alcohol and the water to leave behind the various additives in a ...
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0answers
37 views

Obtaining potassium silicate from sodium silicate

Is it possible to obtain Potassium silicate ($\ce{K2SiO3}$) from Sodium silicate ($\ce{Na2SiO3}$) without using expensive lab equipment such as furnaces etc.? For example, Calcium silicate may be ...
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0answers
14 views

The iodine clock reaction demonstration [duplicate]

I'm looking for a recipe including concentrations and amounts to prepare the iodine clock reaction. I only have Hydrogen Peroxide, KI, Starch powder and Sodium Thiosulphate. Firstly, do I need ...
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0answers
53 views

Chemistry and Plants [closed]

We're going to conduct a study to make corn husk fiber into a paper. Soda Ash is always used to extract the fibers from the husks, First question is there any chemical we can use aside from soda ash ...
3
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1answer
113 views

Removing Iron Oxide from a Floppy Disk?

Don't ask me why, but I did an experiment where I tried to remove the magnetic iron oxide layer from a floppy disk by soaking it in HCl for a week. I put pieces of floppy disk in 0 - 1 M HCl, then ...
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1answer
73 views

Will these K-alum crystals combine into a "cohesive/well-glued" mass?

The attempt to make a single solid mass of K-alum, using over 125 grams of McCormick K-alum powder, has resulted, in less than 2 hours, in: So besides the growth around the loop of the seed "...
4
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1answer
195 views

Determine if stuff is Potassium Alum

How can one determine (at home) if the product shown below is Potassium Alum? I held a piece of it in a gas flame (assuming that the flame would become violet if potassium were present), but there was ...
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0answers
337 views

Preparing Hypochlorous acid from salt water

I am a school student and I want help with a project My aim: Preparing Hypochlorous Acid (Suitable for sanitation). I searched across the internet and found an article at https://www.hypochlorousacid....
4
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1answer
48 views

Home foundry — melting aluminum, mitigating undesirables

I am going to be melting aluminum cylinder head and some soda cans in the home foundry. I am aware the sulphur and the hydrogen present in the melt can make aluminum prone to cracks and brittle. Are ...
2
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1answer
499 views

Electrolysis with baking soda solution, a penny as the cathode and graphite for the anode

I set up an electrolysis experiment to show my kids and wanted to explain to them what is happening. My setup has a penny as the anode and graphite for the cathode. The solution is water with baking ...
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0answers
135 views

How do you purify gases formed in electrolysis with a potassium hydroxide electrolyte?

I am interested in the $\ce{KOH}$ vapor that is released with my gasses during electrolysis. I have two questions. What would be the best place to start research on the $\ce{KOH}$ vapor produced in ...
3
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0answers
67 views

How to make Lithium medication from scratch

I take lithium carbonate as a medication. I was watching an "apocalypse-style" movie recently, which made me wonder how hard it would be to make my medication from scratch if I could no ...
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0answers
82 views

What are the most potent hydrogen peroxide decomposition catalysts available to an amateur? [closed]

Some months ago I was playing with $60\,\%$ $\ce{H2O2}$ and unknowingly I used a silver spoon to transfer the liquid from a container, and the peroxide immediately started bubbling (it did look and ...
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2answers
109 views

How to determine the product from my attempt of HOCl synthesis

This is a follow up to this question. Here is my short procedure: start with 200mL distilled water add 7mL of 8.25% sodium hypochlorite (.11M) to the solution. The resulting solution should be 3.7*10$...
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2answers
152 views

How do you dispose of K2SO4 and MnSO4? [closed]

I want to do an experiment by showing how generated oxygen can affect an ember. I saw on the video that adding peroxide and potassium permanganate will do this. $\ce{2 KMnO4 + 3 H2SO4 + 5H2O2 = 2 ...
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0answers
50 views

Conversion of Erythrosine to Fluorescein

I am a home-chemist and I love dyes. I recently got my hands on sodium salt of erythrosine (tetra-iodinated fluorescein). I want to convert erythrosine to fluorescein. I speculate that using dilute ...
3
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1answer
63 views

What is the safe level of energy output for hydrogen combustion at home?

With confinement, my son would like to do some home experiments for a class. So far, he has a good setup that seems sound for the electrolysis of water. A later part of the experiment would combine ...

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