Copper sulfate with a characteristic beautiful bright blue color is most suitable for growing a crystal at home. Unlike a crystal grown on salt, a crystal of copper sulfate will be sparkling, transparent and bright. For this you will need: -Copper sulfate -Wool thread -Metal wire -Water (boiling water) For a faceted glass with a capacity of 250 ml.
Good day. In this short article I will tell you how to make a simple chemical effect of the "pharaoh snake". To do this, we will need the following ingredients: - Calcium gluconate - Dry fuels You do not need to run to the chemical store as everything can be obtained in ordinary household stores - Calcium gluconate (in a pharmacy), but dry fuel (in tourist or fishing and hunting stores).
Good day. In this article I will tell you how to make a lava lamp and improvised materials with minimal cost. To do this, we need: Two liquids of different density, we take sunflower oil as the main liquid, and ordinary tinted water is suitable for the other. We also need any capacity - be it a bottle or a glass jar.
A couple of years ago, I “ate” packs of green onions from a store and ... lay down for a week ... and when I woke up, I checked the rest of the product for nitrate content. I was surprised by the fact that the topic is relevant to this day. I bring to your attention a simple and reliable way to protect yourself and loved ones from similar (dangerous!
Despite the fact that the sale of hydrochloric acid is limited and it can be difficult to buy at retail, everyone can easily make it from polyvinyl chloride - one of the most common plastics. They make wire sheaths, toys, and many household and industrial products from PVC. For our purposes, PVC is needed in the form of chips.
Plasticine is a material for modeling. It is made from refined and crushed clay powder with the addition of wax, ceresin, fat and other substances that prevent drying. It is painted in various colors. Serves to perform sketches of sculptural works, small models, works of small forms. It was developed in 1897 by a teacher at an art school in England.
The lava lamp attracts the eye and makes both adults and children look at a small miracle in a bottle. You can make a small lava lamp at home, while the most common products will be used. The main ingredients of such a magic lamp are simple and easily interchangeable. You can use any substitute that you find at home.
Who are the flies and how to deal with them? I think everyone knows these annoying insects. And we all (or almost all) know how to deal with them, this is attaching to the window panes (in the extreme case of tulle), hanging sticky tapes from flies and this is enough. The main thing is not to allow the possibility of leaving open doors and windows.
The liquid is sodium acetate, sodium acetate, if in a simple way. Get at home - just spit. Take baking soda and vinegar, and even better - vinegar essence - you will have to evaporate less. Combine them gradually until a neutral reaction occurs, that is, until the hissing stops. There is no need for special accuracy and purity.
I want to share some of my experiences. I have been practicing bees for five years and every year I take out my small apiary to the country house 40 km from the city. I’m leaving at the end of April and back in October, so I spend almost half a year in nature with my pets. The cottage is located on the outskirts of a small village, there is no light and water, but it does not cause any inconvenience, on the contrary, I enjoy the beauty of nature far from civilization, and there are wonderful meadow melliferous plants there.
In the journal "Chemistry and Life" No. 3 of 1972, there was an article on how to grow crystals of metallic copper, it is well written and I will not retell it, just give: GROWING COPPER CRYSTALS No, we did not make a reservation. Not copper sulphate - you have probably received these crystals, and more than once, but real metal copper.
To make the lamp you will need: a glass cylindrical vessel with a well-fitting lid; base material (wood, metal, plastic); light bulb holder; bulb of 25 W; Castor oil; a dye that is soluble in fats and insoluble in water and alcohol (you can try oil art paints); alcohol (90-96 degrees).
A magnetic stirrer is required in every laboratory to mix liquids of various viscosities. Now you can also assemble a magnetic stirrer for your mini laboratory. So we need: a cooler from a computer, magnets from an old or broken speaker, instant glue, a case from cd, and a few other little things that are in almost every home.
Phosphor is a substance capable of converting the energy absorbed by it into light radiation. The color of the glow can be different and depends on the filter applied to the surface of the phosphor or its impurities. Photo phosphor is a powder that has the property of glowing in the dark after exposure to natural or artificial light.
A shaker for stirring the pickling solution will be a useful device for radio amateurs practicing the independent manufacture of printed circuit boards. As the basis of the device, you can use a CD or DVD drive from a computer, with a working tray extension mechanism. As a "donor" I used, which was widely used CD-ROM, manufactured by LG.
A ferromagnetic fluid is a fluid that strongly polarizes in the presence of a magnetic field. In other words, when an ordinary magnet approaches this fluid, it begins to make certain movements: it jumps up like a hedgehog, sticks to a magnet, and rises with its hump. This ferromagnetic fluid is quite simple to do at home.
Today it is difficult to imagine a modern disco without various lighting effects - laser light music, strobe lights, color music scanners, and it is also difficult to imagine these same lighting effects without the use of smoke generators. No wonder people say light without smoke is money down the drain ... but what if you were going to have a small party and you have some kind of light music but no smoke generator?
An alcohol bottle for any novice chemist is practically an irreplaceable thing. However, getting or buying it is not so simple. But there is always a simple way out of hopelessness. Alcohol is not such a difficult thing that you couldn’t do it yourself. Alcohol lights are very convenient for burning indoors. They absolutely do not give soot and practically do not emit harmful substances into the atmosphere.
This method of surface restoration and rust removal is suitable for those who want to return old things from steel to their normal appearance and remove traces of corrosion. Probably, many of you found interesting antiques from your grandmother in a closet, or when buying an old house, which were all in rust and had to be thrown out due to the inability to return to its former appearance.
Of course, this is not really a pepper spray, but rather a pepper spray. Which you can use for self defense. You can buy this and ready, but if you do not have the opportunity or the price is too high, then you can make pepper spray yourself. With the help of this pepper spray you can: Reflect the attack of the attacking person.