2019

Fascinating chemistry

Fascinating chemistry

Is it really so reliable to mix soda with superglue? Let's check

Probably every homemade man or homemaker already knows that if gluing something sprinkle super glue with soda, then these compounds will be several times stronger. But is it really so? What happens to superglue when baking soda enters it? By the way, instead of it, you can use edible salt finely ground - extra..
Fascinating chemistry

10 amazing lifehacks with baking soda

This white inorganic powder is in every kitchen. Despite the simple chemical formula (NaHCO3) and low cost, it is able to replace many household preparations. Usually it is used as a baking powder for baking or as a cleaning agent for kitchen and household utensils. But soda also has other beneficial properties..
Fascinating chemistry

How to pierce an aluminum can with your finger

This amazing experiment is available for repetition to almost everyone. With it, you can easily surprise your friends or acquaintances. Yes, and acquaintance with the metal, which melts from the heat of human hands, will be very interesting and informative. Will need All that is needed for experience: Gallium - it can be bought without problems on AliExpress (//ali..
Fascinating chemistry

Simple gas burner gas burner

Gasoline is a very flammable liquid, due to the fact that it is obtained from fractions of oil with a low boiling point. Gasoline itself not only burns very well, but its vapors are also very well ignited, therefore it is strictly forbidden to leave containers with it open. In the article you will see, solely for acquaintance, how to make an installation that will produce gas, with which you can power the burner and provide long and stable combustion..
Fascinating chemistry

How to temper a hand tool at home

Sometimes after buying a hand tool, it turns out that it is of poor quality due to flaws in hardening at the factory. Consider the method of heat treatment of screwdrivers, chisels, drills, knives, etc. at home. But it should be noted that hardening, along with hardening of the metal, leads to an increase in its brittleness..
Fascinating chemistry

How to easily sharpen a file with citric acid

Files, like any other cutting tool, become dull over time, as the notch wears out, gets clogged with particles of the processed material, grease and oil deposits, dirt and other undesirable ingredients. How to quickly and cost-effectively restore the cutting properties of this tool? There are several common ways..
Fascinating chemistry

How to make an alcohol burner with remote fuel supply

The need for a source of thermal energy can arise in a home workshop, at work or on a camping trip. Is it possible to make it from improvised materials, quickly and at the same time ensure fire safety. Let's try. Will need We will try to get along with simple materials that cost almost nothing: empty spray can; two aluminum tubes of different diameters and lengths; jet bolt and two ordinary bolts; cotton wick; metal cap from a glass bottle..
Fascinating chemistry

An elementary way to repair a rusted tool

Over time, even tool steel products with alloyed additives rust, especially if they are rarely used and stored in an insufficiently dry and ventilated place. How to remove rust from tools if it still hit them? There are various ways to deal with this common problem. Let's look at one of the simplest, but at the same time quite effective methods..
Fascinating chemistry

Injection of plastic parts at home. As easy as pie

The manufacture of products by casting, taking into account modern materials, has become quite affordable, quite simple and inexpensive. Consider using polyurethane for pouring and silicone to create the mold. Will need For work, we will use quite affordable and inexpensive materials and products: silicone "ELASTOLUX-M" for the manufacture of molds; silicone "ELASTOFORM" for the manufacture of the substrate; kerosene or petroleum jelly separator; oppression for a form with a total weight of 1 kg; injection polyurethane "UNICAST 9" (base, part A); hardener (part B);..
Fascinating chemistry

Accelerated Rust Removal with Citric Acid Solution

Many have tried to remove rust with acid solutions, usually leaving the part in the bath overnight. This is an effective way, but it takes a lot of time. Consider how to remove rust faster. Tools and materials: water; lemon acid; pan; metal brush; dry rags. How to remove rust quickly Rusty parts are lowered into the pan and filled with water..
Fascinating chemistry

How to give magnetic chewing gum for hands or clever plasticine

Smart plasticine, also known as chewing gum for hands, is one of the most popular polymer children's toys for the development of finger motility. Games with him sin even adults. Consider a way to give smart plasticine magnetic properties, making it even more interesting. Materials and tools: Silly Putty, Thinking Putty, Thinking Clay chewing gum or another; iron oxide powder; mixing container; Neodymium magnet; disposable gloves; respirator or face mask..
Fascinating chemistry

Making a radiation detector from a webcam

Radiation is very dangerous for humans, but without special equipment it is impossible to determine its presence. Buying used building materials, scrap for DIY, or used vehicles, there is a chance of running into objects with a radiation background. Spending money on a dosimeter to check risky purchases is impractical, since in this situation no savings will come out..
Fascinating chemistry

How to assemble a peristaltic pump with your own hands

Peristaltic or hose pumps are primarily designed for pumping clean, sterile or aggressive fluids, as they only come in contact with the flexible hose. In addition, they do not have rubber seals, so there is no contact of the transported medium with them. Thanks to the special design, they can also transport viscous substances, since they easily overcome backpressure and are easily cleaned (disinfected)..
Fascinating chemistry

DIY alcohol

An integral part of any long trip is a bonfire. Tourists often use dry fuel for quick ignition. However, if a tourist chemist goes on a hike, then in his arsenal for ignition there is something more interesting - solid alcohol. It looks like this: It will be discussed in this article. I note that only the name combines this substance with alcohol - we will verify this later..
Fascinating chemistry

Cleaning silverware at home

Recently, I got into my hands a set of silver cutlery, which is about a hundred years old. During this time, the spoons and knives had time to darken and rust, and I decided to clean them of the formed plaque. In this article, I will share a fairly effective way with which you can return the antique shine to its original shine..
Fascinating chemistry

How to harden steel - a visual experiment

Steel familiar to everyone is an alloy of iron and carbon. Pure iron is malleable and soft, its scope is limited. A variety of steel products and steel products significantly change the hardness and ductility during various heat treatments: Steel hardening consists of heating to high temperatures and rapid cooling in oil or water..
Fascinating chemistry

Getting potato starch

Starch is a fairly common source of energy in the human diet. It is found not only in potatoes, but also in many foods that we eat every day. Starch is one of the products of photosynthesis and is quite widespread among plants, where it acts as a stock of substances. Thus, a high starch content (about 80%) is observed in the composition of representatives of cereal crops - in grains of rice, wheat, and corn..
Fascinating chemistry

Styrofoam varnish

Sometimes it becomes necessary to protect a product from environmental influences. In other words - paint, varnish. But, it is not always at hand lacquer or paint that can dry in a short time. This is one thing. Another that they are not always needed in the volumes that are offered in the store: 0.5 liters or more..
Fascinating chemistry

How to cheaply repair a rusted tool

Almost always, if any tool is idle, it begins to rust. It is worth only one winter to leave pliers or wire cutters in an unheated room and in the spring you can observe a layer of red rust on the surface. I will show a cheap and effective method how to remove all corrosion and partially restore the metal surface..
Fascinating chemistry

DIY chemical glassware

Foreword: “First there was a glass. Disposable." My first experiments were carried out in plastic cups because of their easy accessibility and low cost. But over time, the experiments became more complicated, it became necessary to heat the solutions. Also, glasses, like any dishes, got dirty, it’s inconvenient to wash them, and it’s not rational to use new ones constantly. Firs..
Fascinating chemistry

Simple experiment - Blue flame

Good day, curious chemists! Today we will conduct a simple but spectacular experiment. Its essence is that the hydrogen released during the reaction burns with a blue flame. Reagents So we need: Hydrochloric acid concentration of 15%; Copper sulfate; Aluminium foil. The experiment will be conducted in a glass jar..
Fascinating chemistry

A quick way to get iron sulfate from fertilizer

The penultimate stage on the way to obtaining a noble metal from radio components is the restoration of the latter from the corresponding chloride. Iron (II) sulfate is excellent for these purposes. Consider the equation of this reaction: HAuCl4 - hydrogen tetrachloroaurate (III) - a compound that is formed when gold is dissolved in aqua regia..
Fascinating chemistry

Getting hydrochloric acid at home

Alchemists, who first received hydrochloric acid in the 15th century, called it “spiritus salis, ” “spirit from salt.” This acid had magical properties at that time: it corroded paper, dissolved metals, poisoned people. These properties have remained with her to this day, but now this acid has been sufficiently studied, and there is no magic here. Hydroc..
Fascinating chemistry

3 proven knife burner methods

Hello ladies and gentlemen. Today we’ll talk about burnishing, oxidation or blackening of steel. This is a surface coating method for steel with a thin layer of iron oxides. It protects the metal from corrosion, and also gives an attractive tint to the product. You can achieve black blue-black, gray or blue. ..
Fascinating chemistry

Getting DNA at home

Surprisingly, the entire diversity of the kingdom of wildlife is due to the unique sequences of four nitrogenous bases. In the nucleus of every cell of any living organism contains a nucleic acid - DNA. In this spiral molecule, all the necessary information is encoded to support life. Currently, scientists have decoded the genomes of many organisms, including humans..
Fascinating chemistry

How to get distilled water at home

If you have an air humidifier, a steam squeegee, an iron with a steamer, or similar equipment at home, then you know that they need clean, and best distilled water, since water from the tap in such devices creates scale and they fail. By distillation is meant the conversion of water into steam, which, during cooling, condenses into pure H2O without additional impurities..
Fascinating chemistry

How to make a hole in hardened steel without drilling

In such a simple way, you can make not only a round hole in red-hot steel, but also a hole of any other shape in without too much effort. The chemical method will help you out and facilitate the task. The method does not require expensive chemicals, all the ingredients can be found in any household. Will need I propose a simple method of making holes in high speed steel..
Fascinating chemistry

How to make a flying ball

A flying balloon is perfect for any holiday event. Typically, purchased flying balls are filled with light volatile gas such as helium. At home, it is almost impossible to get such gas without special equipment. But helium is not the only gas that can be used for such purposes. At home, without unnecessary labor, you can get hydrogen, which is also suitable..
Fascinating chemistry

How to solder aluminum

Aluminum is a very attractive metal for constructing some kind of home-made structures: lightweight, perfectly machined, drilled, sawn, does not rust, etc. But here's the problem: to weld two pieces of aluminum without special argon welding is almost impossible. And the equipment for such welding costs more than one thousand rubles..
Fascinating chemistry

Removing rust with baking soda

This is my favorite method of removing rust from heavily corroded metal products. The method is very simple and highly effective. With a little patience, you get impressive results. Use this method only in the open air, as highly toxic gases are released during the process. What do we need 1. Baking soda (I used 400 g per 10 liters of water, but you can try experimenting with concentration)..
Fascinating chemistry

Charcoal filter for a plastic bottle

When fishing, camping or camping, it can happen that drinking water has become unusable. Or ended, or spilled - it does not matter. In general, you can draw water in the nearest body of water, boil it, wait until it cools down and calmly get drunk. But in my opinion, this is a long time. It is much faster and more efficient to use a pre-made, self-made carbon filter..
Fascinating chemistry

Deposition of copper on non-metallic objects

Good afternoon! In this article, we will consider the process of electrochemical deposition of copper on conductive surfaces, and also try to coat a walnut with a copper layer. Will need So, for the experiment we need: Non-metallic container - a beaker or an ordinary tray, the deposition process will take place here; Water, preferably purified; Copper sulfate (sold in stores for a summer residence); Acidic electrolyte for batteries (in car dealerships); Charger for 5 volts, 0..
Fascinating chemistry

How to Etch a Broken Tap

When threading in duralumin or aluminum, failure can occur and your tap will break, leaving a chip inside the hole. Drilling tool steel from duralumin-aluminum is incredibly difficult and this means that the entire hole will be broken. There is a way in which the hole in the workpiece remains intact, and the chip can be removed without much difficulty..
Fascinating chemistry

Copper acetate crystals at home

Good afternoon! Surely you have heard about growing crystals at home from various reagents: iron or copper sulfate, sodium chloride, citric acid. The color of the crystal depends on the reagent. This time we will grow beautiful black crystals from copper acetate. But first, let's get copper acetate itself (and our crystals will grow in the resulting solution)..
Fascinating chemistry

Lava lamp

This is a fun, beautiful and entertaining chemical experiment that can easily be repeated at home. All reagents are available in almost any kitchen, and if not, then you can definitely buy them at any grocery store. I will show how to make a kind of lava lamp, but unlike the real one, it will start working immediately and will not require heat to continue the reaction..
Fascinating chemistry

We get gold from radio components

The experiments on the extraction of precious metals from boards, microcircuits, transistors and other radio components are no longer new, and they are hotly discussed on the Internet. Many thus discovered talented chemists in themselves, and someone makes good money. Interest in this topic fuels the desire to get valuable metal from worthless elements, many of which are deposited in pantries in workshops, office sumps and even litter in trash..
Fascinating chemistry

Decorative metal etching

As you know, metal is quite difficult to process at home without special skills and tools, especially if it is such a solid metal as steel. Nevertheless, you can call for help chemistry: there is such a chemical process - electrolysis. It flows on the electrodes when an electric current passes through electrolyte solutions..
Fascinating chemistry

Catalytic combustion is a very simple and entertaining experiment.

Today I will show you how to make a home nuclear reactor. I hope you have a good sense of humor, then let's get started. To build a mini reactor you will need a glass jar. Copper wire with a diameter of about 1 mm. Preliminary, remove varnish insulation from the surface of the wire. In the role of thermonuclear fuel, simple acetone will be used..
Fascinating chemistry

Removing rust with citric acid

This is one of the easiest, safest and most effective ways to remove rust from the surface of old steel tools. The difference between this method is that for the restoration of the surface of the metal does not require any scarce reagent or expensive equipment. All that is needed is in almost any kitchen..
Fascinating chemistry

Knife bluing in citric acid

Burnishing is the process of producing an oxide layer a few microns thick. It is also called oxidation, blackening or blueing. This is a dark, almost black coating, but there are other shades. Basically, burnishing is used as a decorative coating, but initially, in the first place, it is intended to protect steel from corrosion..