How to check gold for authenticity at home with a magnet, by ear, water, reagents, iodine, vinegar, ammonia, lapis pencil: photos and videos. What is the real gold test, and how to check the quality of white and yellow gold at home?

Do you doubt the authenticity of the gold product? Learn from the article how you can check it at home or directly in the store.

Gold is a noble, precious metal, whose value is increasing year by year. Needless to say, women are crazy about gold jewelry. From their kind they literally lose their heads. That's what happens: gold is not gold at all, or the percentage of its content in the product does not match the sample at all. How not to fall for deception? It turns out, right in the jewelry store or at home, you can very easily and simply check the gold for authenticity. We will tell you about the most effective ways to do this.

What is the real white and yellow gold test?

Everybody knows perfectly well that there must be a sample on the gold product - a sign that confirms its authenticity. What this test says, know, too, almost everything. Uninformed explain - the number on the sample means the number of milligrams of pure gold contained in one gram of the alloy from which the product is made.

IMPORTANT: Pure gold, with a breakdown of 999, is not very suitable for making jewelry. This gold is very soft and not resistant to the impact of external factors. Products from it are deformed very quickly. Therefore, jewelers use alloys in which the 79 element of the periodic table is diluted with some other, stronger metal, for example, silver, nickel, cobalt, palladium, zinc.

There are several systems of gold samples. The most used and recognizable ones are carat and metric.

Samples of "real" gold.

IMPORTANT: Gold products and ornaments with a breakdown from 999 to 375 are considered. But it should be borne in mind that the pure aurum in the last only 38%, they have the property to fade in the sun, and they look not quite the same.

Pure gold.

Gold of 999 tests.

It's interesting that white gold jewelry comes in 750 and 585 samples. White color of the product is due to the presence in the alloy of silver, nickel or palladium, staining it, and rhodium coating.

Metals.included in the alloy of white gold 750.

The most accurate ways to check real gold for authenticity at home

If you buy a gold jewelry in a well-established store, there are samples, ligatures, tags, etc., you can be almost sure that you will not be deceived. But modern technologies allow forging gold, than scammers use successfully. Buying the product from the hands of the distributors, in stores with a dubious reputation, you run the risk. Show it to an experienced jeweler the opportunity appears very rarely. You should take care of yourself by choosing one of the most accurate ways to check gold for authenticity:

• on the eye
• on the tooth
• on the ear
• by the magnet
• vinegar
• by the ammonia
• with ink pencils
• iodine
• water
• with acids, other

How to check gold when buying? How to check the authenticity and quality of white and yellow gold by ear?

If you buy a gold item in the store, check it for authenticity:

1. You should see all the necessary markings on it: a metric test( a more common variant in Russia and Eastern Europe) or a karate, state stamp consisting of an emblem and cipher. They are located on the back of the products, on the locks.
2. Whatever the color of gold, yellow, white or pink, it should cast.
3. The color of the metal must be uniform.
4. The product should not have scuffs, stains, or other damage.
5. If you think that the usual silver is given to you for white gold, take them through a piece of paper. Silver will leave a trace, and white gold - no.

Before you buy a piece of jewelry from gold, carefully consider it.

IMPORTANT: Buy gold jewelry in jewelry stores, where you will be given a check.

It is believed that gold can be distinguished by sound: falling on a smooth surface, it emits a crystal ring. It's unlikely that this method will suit you if you do not possess a musical ear.

VIDEO: How to check GOLD at home?

How to check the authenticity of white and yellow gold with a magnet?

A real gold magnet can not attract.

Use a magnet to check gold for authenticity, by the way, you can immediately upon its purchase.
Gold is not magnetized. If the product you are interested in attracted to a magnet, you should think about two options for forgery:

• it is not gold
• it is diluted too much

IMPORTANT: The method is simple, but not 100 percent. The fact is that aluminum and copper are often used for gold dilution or forgery, these metals are also not magnetized.

How to check the authenticity of white and yellow gold with iodine: photo

Instead of using chemical reagents at home for professional jewelers, you can use ordinary iodine for testing gold, which treats wounds and abrasions:

• rub the product about the
• cloth on the place it was rubbed,iodine( or put it with a cotton swab)
• wait 30 seconds and evaluate the result

If there are spots or darkening on the iodized spot, you have a fake in your hands. Iodine solution does not work for real gold.

Iodine gold check.

How to check the authenticity of white and yellow gold with vinegar: photo

Do not be afraid to check the gold with vinegar. If it is real, nothing will happen to it, and a fake, and so sooner or later will become unsuitable for use. So:

• pour the vinegar into a small container
• lower in it the tested product for 60-90 seconds
• fake darkening, the color of the same gold product will remain unchanged

Checking the gold with vinegar.

How to check the authenticity of white and yellow gold ammonia: Photo

Ammonia in the form of ammonia in bottles from the pharmacy is often used to clean gold jewelry at home. Pollution he removes by cheers, and the yellow metal does not spoil.

IMPORTANT: If the product has darkened or stained after contact with ammonia, it is not golden.

How to check the authenticity of white and yellow gold with a pencil: Photo

A pencil is a medicine containing an antiseptic used to stop small bleeding with abrasions, scratches, cuts, etc.
If you wet a product whose jewel is in doubt, and then draw on it with this pencil, you can easily find out whether it is a fake or not. On the gold there should be no traces.

Lapis pencil is a pharmacy used to check gold for authenticity.

What reagents, what kind of acid to check the authenticity of white and yellow gold 585 and 750 at home? How to check the authenticity of white and yellow gold battery acid?

Be careful when doing this test! Sulfuric battery acid can damage your health and spoil things!

1. Take the test product and put it in a ceramic plate.
2. Drop a drop of battery acid on it.
3. See what happens. There was no reaction. It was a gold thing. There was a green spot - in front of you a cheap metal with gilding. If white gold has acquired a milky shade, it is not gold at all, but cheaper silver.

In addition, the authenticity of gold itself can be checked with nitric acid, acid reagents from the plate. Acids for testing gold.

How to check the density of gold in water: a table of the density of gold in water on

samples At home you can check whether the product is really gold using a measuring cup, water and kitchen scales.

1. Weigh the product. Write down its exact weight.
2. Pour water into the measuring cup, immerse the product in it. Note the difference in water volume before and after diving.
3. The weight of gold in the product should be equal to the mass of the difference in volumes. This ratio should be approximate to 19( the density of pure gold is 19.32 g / cm cubic).
4. See the table for the density of gold in a different sample in water.

Table of the density of gold in water by samples.

VIDEO: How to check gold with water?

How to check out the red gold?

Chervonnym called previously pure gold. We have already mentioned that it is soft. Check it in the old fashion can be on the tooth: gently bite the product. On the spot of the bite, there is a visible barb in the red gold.

Red gold is checked for tooth.

Is it possible to check gold in a pawnshop?

In pawnshops, which are engaged in buying up gold, there are experienced experts-appraisers who know how to evaluate the authenticity and the sample of precious metals. The prestige of the pawnshop depends on their professionalism, so you can fully trust it. If there are any doubts, ask the expert to do the test with a device stone or a spectrometer.

In pawnshops gold is checked by appraisers.

Where can I check gold for authenticity?

If you do not trust the above home methods of checking gold for authenticity, take it to a jewelry workshop or a special laboratory where you will conduct research with special instruments and chemical reagents, and then announce the result to you.

VIDEO: 5 Simple Ways to Identify Fake Gold