A small-scale experiment which can be undertaken with reagents readily available around the house, while observing standard laboratory safety principles and practices

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precautions to use when soy milk curd compared to natural milk curd?

When soy milk curd is prepared or when it is compared with natural milk curd, what are the precautions to be taken?
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27 views

How to test for heavy metal in water?

Is there a way to test if water has toxic heavy metals. Samples to both the water and people who drink it are available. Preferably, it should be done with at hold materials. I could also borrow ...
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14 views

How do I prepare the following solution I found in a research paper?(Details given below) [closed]

So I came across this research paper to synthesize nanoparticles and I want to replicate the experiment they did.Here is their experimental procedure(in their words) : 1.FeCl2·4H2O and FeCl3·6H2O ...
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1answer
24 views

Can rocket candy explode during the preparation?

I would like to follow the steps in this video: https://www.youtube.com/watch?v=hyPysthIRss After I mixed the Potassium nitrate KNO3 and the ...
2
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0answers
14 views

How can I test if a spirit (tequila) has oxidised?

Is there a way to test if tequila has oxidised and if so the level of oxidisation? It would be best if this could be done without a control sample, but the most important thing is if I can do this ...
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1answer
41 views

How to obtain nitrogen using only homemade utilities?

I am now constructing a RC plane. I would like to fill the tires of the landing gear with nitrogen to avoid combustion of oxygen during landing. I would therefore like to obtain a small amount of ...
8
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1answer
54 views

Green color substance forming during electrolysis

A green-colored substance formed during electrolysis, wherein the electrolyte was magnesium sulfate and minerals in tap water. I did not have any leads to stick into the water, so I just put a 9 ...
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1answer
25 views

Is there a way to make long delay ink?

I would like to make some invisible ink that apears by itself after some time, preferably at least a couple of days. I want to write a dedication in a book with it, so it would probably be fine if the ...
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1answer
24 views

Is sodium percarbonate artificial? [closed]

If I add sodium percarbonate to my natural laundry soap recipe, can I still claim "No Artificial Anything"? I know it's used in many "natural" products, but is it considered an "artificial ...
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1answer
88 views

Pepper escaping soap on water

Following a book of science experiments for children with my daughter, we did the following: put some water in a shallow dish; put some ground pepper floating on the water surface; touch the water ...
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21 views

Converting sodium lauryl sulfate into a powder

I need to turn sodium lauryl sulfate into a powder form. I have the substance in a gel form, and I tried mixing it with corn starch to dry it out but I failed. Any ideas on what to do?
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38 views

Potassium bicarbonate or sodium bicarbonate [duplicate]

How would I go about determining whether a sample of an unknown substance is either potassium bicarbonate or sodium bicarbonate (given that the sample is one or the other)?
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1answer
24 views

What factors are influencing a woosh rocket?

I asked this over at Physics, but no one seemed to know, so I'll try here: If I fill a plastic bottle with a small amount of rubbing alcohol, shake it around and hold a match to the bottle neck, I'll ...
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1answer
27 views

Simple procedure for showing presence of milk proteins in clarified butter (ghee)

By clarifying butter, e.g. by melting butter and filtering it, we rid ourselves of most of the protein in the butter, and are left with mostly fat. However, the separation of protein and fat is not ...
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1answer
37 views

Silicone vs Alcohol

The type of silicone sealant that you would buy at your local hardware store. Would it break down when exposed to 90% mixture of isopropyl alcohol?
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2answers
1k views

Can I make my own graphene at home in my kitchen?

Graphene is cool. Can I make some? What do I need? Is it at all feasible to make it in quantity?
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1answer
395 views

Best Fuel for Potato Gun

I have been using deodorant to propel potatoes (potato gun :D), but I want to switch over to pure butane. However, in order to do this safely I have to know how much butane is typically in deodorant ...
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1answer
75 views

Is there a type of detergent/surfactant that evaporates at STP?

Are there any type of detergent/surfactant chemicals that would be good for removing dirt and grease from fabric that also would evaporate from the clothes within, say, 24 hours leaving no residue?
4
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1answer
233 views

Chemistry of cereal in milk

In a nearly finished bowl of oat cereal, why do the pieces of cereal stick together? I figure that since they are composed of starches it could be hydrogen bonding. Is this true or is there some other ...
4
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1answer
36 views

How would I go about making an ethyl ester from vegetable oil?

I'm teaching myself how to make lotion and a lot of lotions contain esters like isopropyl myristate or isopropyl palmitate. I'd like to make an ethyl ester from a popular skin-care oil (olive, apricot ...
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2answers
107 views

How is it possible to distinguish antimony from lead?

I just bought some (pure) antimony stones from a local store. However, I've heard that some stores deceive their customers by selling lead instead of antimony. I was wondering if there is any simple ...
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1answer
25 views

Which effect does adding hydrogen chloride have when determining the concentration of sodium hypochlorite in bleach via titration have?

Many of you might be familiar with this and I do understand this completely, however I do have a question. If you are familiar with this, then this is the equation and this is the question for it. ...
2
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1answer
39 views

Fehling's Test meaning for partial formation of a precipitate?

Whilst doing tests on two unknown solutions, I used Fehling's test. The solutions could be a mixture of compounds or just one compound dissolved in water/ another solvent - I don't know. Upon adding ...
2
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1answer
44 views

50-90'C color changing chemical to use as warning marker for hot electronics?

I am testing electronics with many potentially unstable contacts, and I wish to monitor if they rise above 50 to 90 degrees Celsius, i.e. using carbon paper that would darken progressively from 50 to ...
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2answers
78 views

Way to detect lead in gasoline

Is there any way that i can detect lead in gasoline, not by sending of to a lab but to be able to do this by myself?
3
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1answer
27 views

Pyrolysis of canola oil

This is a topic that I cannot find much information about. I would like to know what compounds are in the products formed from pyrolysis of canola oil. I found out by accident that when trying to ...
3
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1answer
163 views

Thermodynamics and Coffee

Heyo, I'm sure you all know of the experiment where you take a mixture of ice and water, plop some salt in there and the temperature of the solution progressively drops. The salt increases the entropy ...
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2answers
144 views

How can I turn natural gas from liquid to gas?

I hope I am not too off topic. I couldn't find a more suitable stack-exchange site for this, so if there is a better one, please point me to it. My question is the following: I am working on a ...
3
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1answer
37 views

What is the reaction in a child's 'add water and watch the egg hatch' toy?

My son and daughter got given gifts where you place a plastic egg in water, and the (rubber?) toy inside expands (over three days) and breaks the shell of the egg so it 'hatches'. I also observed ...
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0answers
64 views

Determining which hydrate of calcium chloride I have?

I have calcium chloride in the form of small (1-2 mm) round white pellets, originally bought at a home-brew shop. The packaging gives no indication what hydrate it is. Since each water molecule adds ...
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3answers
1k views

Where do the bubbles in a glass of water come from?

This weekend I accidentally left a glass of water on my kitchen table for a few days while I was out of town. Unsurprisingly, bubbles formed on the walls. As I understand from the last time I ...
4
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2answers
126 views

A unique demo for singlet oxygen?

I have long known that mixing bleach and peroxide produces oxygen gas: $$\ce{NaOCl + H2O2 -> O2 + H2O + NaCl}$$ However I only recently learned that the specific form of oxygen produced by the ...
3
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0answers
32 views

Silicon degassing with negative pressure

I am planning to use polydimethylsiloxane (PDMS) to create phantom for mimicking tissue for imaging. For this, I plan on using SYLGARD® 184, which is a viscous liquid. When adding other components to ...
7
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2answers
208 views

In which country is it allowed to practice non-clandestine amateur chemistry?

I travel a bit so am flexible where I live, and have taken a recent interest in chemistry to try to gain an understanding of physical reality. I find learning from textbooks to be good, but want to ...
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2answers
59 views

What easy to conduct (at home) reactions could yield solid carbon?

I am trying to isolate pure carbon in its elemental form. Are there any decomposition reactions or other easy to carry out reactions to yield solid carbon? and in the case that it is isolated, does it ...
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1answer
58 views

How to determine methane percentage at home?

Suppose I have gas bottle and gas cooker. Suppose I have propane in my bottle and I suspect it is diluted with unknown gas. How can I measure with simple instruments, how many propane I have ...
2
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1answer
101 views

Hydrogenation at atmospheric pressure in amateur environment

I was planning on doing some small scale hydrogenation practicals at atmospheric pressure (probably from Vogel) and ran into a couple of questions. I will be using the "balloon method" (described in ...
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0answers
57 views

Purifying an organic liquid [closed]

I'm looking for an experiment that would enable me to purify an organic liquid. Should I distill the liquid and then use a drying agent to dry it? I would also like to know what equipment I would ...
2
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1answer
116 views

How to convert sodium aluminate back to sodium hydroxide?

I had dissolved a bunch of aluminium foil in an aqeous solution of sodium hydroxide. The resulting solution consists mainly of sodium aluminate with very little excess sodium hydroxide. What I want to ...
4
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1answer
64 views

About purifying ethanol - What type of ethanol?

I'm reading this book, trying to learn some basics of chemistry. One of the experiments is about purifying ethanol. Now, I have some difficulties in deciding what kind of ethanol solution I should ...
7
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2answers
160 views

Mimic a volcano eruption with household chemicals?

How can one mimic a volcano eruption using household chemicals safely? We've tried it in a testing tube with baking soda and vinegar. This wasn't quite as impressive as expected. On the web we've ...
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1answer
34 views

What material is synthesized in the rubber egg demo?

One of the popular do-at-home chemistry demonstrations is placing an egg in a container of vinegar for two days. After that period most if not all of the eggshell has dissolved and the outer part of ...
4
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2answers
112 views

Is it possible to extract magnesium from epsom salt

Is it possible (at home) to extract magnesium from $\ce{MgSO4·7H2O}$, also known as Epsom salt (or, alternatively, from $\ce{MgSO4}$)?
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2answers
47 views

The relationship between energy and air pressure?

When boiling water at room temperature, what is the relationship energy has with the air pressure that is making the water boil cold instead of hot?
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2answers
92 views

Concentration of hydrochloric acid for electrolysis?

How much hydrochloric acid (maximum) should I use to do electrolysis of water, and how much amount of voltage should I use to get the maximum of hydrogen and oxygen?
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1answer
277 views

How to cheaply extract iodine from an alcoholic solution?

I have an alcoholic solution of iodine. My goal is to extract the pure iodine without using rare or expensive compounds. How could I do this?
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0answers
35 views

Can N-Zorbit absorb wine and then dried while keeping the same alcohol level?

I'm trying to see if you could use the modified starch N-Zorbit, a maltodextrin, to absorb a low sugar wine (pinot noir for example) and then dry it while keeping the alcohol levels the same or close? ...
3
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2answers
98 views

What kind of fire extinguisher for chemistry at home?

The are various types of fire extinguishers. They can be based on water foam dry powder carbon dioxide wet chemicals halon etc. Suppose one is learning chemistry at home. What type of fire ...
4
votes
1answer
64 views

How to activate charcoal

I readily admit to being a pyrophiliac and can generally be found near fire when there is fire. (Fire good, tree bad.) One of the byproducts of fire, naturally, is charcoal. I was looking into ways ...
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1answer
67 views

How can the chlorophyll concentration of plants be measured?

Is there a way to measure the chlorophyll content of plants (from e.g. leaves) with basic chemistry equipment (at home)?