1 thought on “Pearl is too rampant! These three "poison pearls" must not be bought”
Karl
The boom of pearls has never been reduced. In the jewelry stores of major shopping malls, many people will look at pearl jewelry.
The pearl is so popular, and there are more fakes on the market. For example, low -grade goods processing pretend to be high -end pearls, plastic beads imitated natural pearls, etc., not only pitting consumer money, but also making the jewelry market.
The pearls are moist and beautiful, and at the same time can moisturize the skin and have a natural beauty effect. but fake pearls are a furnishings, without the slightest value, and some "poison pearls" are harmful to the human body! The most infamous one is the dyed pearl.
The natural precious pearl
Deded pearl Deded pearls are currently a common fake pearl in the market. In in order to make profits, the adulterers are dyed with color difference pearls to pretend to be good color pearls. This kind of fake means are common in precious black pearls, golden beads, etc. Because of the low cost of counterfeiting, it has attracted many greedy merchants. do you know the poison of dyeing pearls? D dye pearl is the tumor in the jewelry industry. The finished product ranges from the price of hundreds of yuan to tens of thousands of yuan. Friends at each consumer level may be exposed.
The terrible is that these dyed pearls are "toxic", which are treated with hydrogen peroxide bleaching and chemical dye, and these dyes contain a large amount of carcinogens, which seriously threatened us of us. Life is healthy.
The dye pearl is a method of physical dyeing, which penetrates dyes into the surface of the pearl to achieve the purpose of dyeing. At present, there are three main dyeing methods, namely water dyeing, oil dye, and alcohol dye. 1. Water dyeing method This method is the most common. The main component of the staining solution is nitrate, rare Arimonia, etc., put pearls in the solution, dyeing at a temperature of about 40 ° C. Depending on the concentration of the dye, the dyeing time is from several minutes to ten hours. Wait.
The pearl dyed by this dyeing method, because the dye is difficult to penetrate inside the pearl, so the harmful chemicals will be attached to the surface of the pearl. It will also be dyed, which is really poisonous everywhere! 2. Oil dyeing method It oil dye is dissolved in oily dyes in the mixture of vegetable oil, mineral oil, or two, soak pearls in it, open for a long time, and keep it in the same time, and keep it in the same way, and keep it in the same way, and keep it in the same way, and keep it in the same way, and keep it all the time, keep it in the same time, and keep it in the same way. Only in high temperature environment can gradually color.
The pearl dyed with oil is not very bright. After that, it should be cleaned with oily oil attached to pearls with benzene, gasoline, and neutral detergent. 3. Alcohol dyeing method alcohol dyeing method is to use the mixture of alcohol and water, polyethylene glycol, or other mixture with water as dyed solvents, and dyeing at 40-60 ° C temperature After dyeing, you need to soak in alcohol for about an hour.
The most common dyed pearls on the market are Nanyang Pearl and Daxi Black Pearl. Generally speaking, Nanyang Pearl pearls are more dyed because Daxi Black Pearl has a high chance of dyeing. The cost is higher.
It because the dyed pearl is becoming more and more realistic, many friends do not know how to identify the authenticity. The most direct way is to send it to a professional quality inspection institution. If it is dyeing, it will be on the certificate. It is marked with dyeing.
The reality will be more complicated. Sometimes it is too late to send testing. How to identify it with the naked eye without equipment? The four tricks to teach you to identify dyeing pearl 1. Seeing color The density of pearl bead layers is different. When dyeing Poin spots can be seen on the surface of the dyed pearl. It the color of the dyed pearls also looks very dull, without the natural aura of natural pearls.
PS: There are obvious boundary lines in the stains and other places. If you cannot see clearly, you can place the pearls under the strong light of the incandescent lamp, and the pigmentation can be hidden without any place.
2. Looking at fluorescent Deded black pearls will display dark red fluorescence under the fluorescent lamp, and natural black pearls do not have this feature. 3. Look at the size The heads of colored pearls are generally large, like Daxi Black Pearl. Most bead diameters are concentrated between 9mm and 10mm. The diameter of Nanyang Golden Pearl is also between 9 and 12mm, while Akoya Pearl has a diameter of more than 9mm even if it is a treasure.
Depending on the actual situation, if the size and price comparison appear strange, then pay more attention. 4. Look at the powder rubbing two pearls to observe the dropped pearl powder. The powder of natural pearls is white. If it is dyed pearl, such as dyeing black pearls, the powder is black or brown.
The test method is destructive. If you have to use it carefully, it is best to choose a pearl jewelry with an appraisal certificate.
The boom of pearls has never been reduced. In the jewelry stores of major shopping malls, many people will look at pearl jewelry.
The pearl is so popular, and there are more fakes on the market.
For example, low -grade goods processing pretend to be high -end pearls, plastic beads imitated natural pearls, etc., not only pitting consumer money, but also making the jewelry market.
The pearls are moist and beautiful, and at the same time can moisturize the skin and have a natural beauty effect.
but fake pearls are a furnishings, without the slightest value, and some "poison pearls" are harmful to the human body! The most infamous one is the dyed pearl.
The natural precious pearl
Deded pearl
Deded pearls are currently a common fake pearl in the market.
In in order to make profits, the adulterers are dyed with color difference pearls to pretend to be good color pearls. This kind of fake means are common in precious black pearls, golden beads, etc. Because of the low cost of counterfeiting, it has attracted many greedy merchants.
do you know the poison of dyeing pearls?
D dye pearl is the tumor in the jewelry industry. The finished product ranges from the price of hundreds of yuan to tens of thousands of yuan. Friends at each consumer level may be exposed.
The terrible is that these dyed pearls are "toxic", which are treated with hydrogen peroxide bleaching and chemical dye, and these dyes contain a large amount of carcinogens, which seriously threatened us of us. Life is healthy.
The dye pearl is a method of physical dyeing, which penetrates dyes into the surface of the pearl to achieve the purpose of dyeing. At present, there are three main dyeing methods, namely water dyeing, oil dye, and alcohol dye.
1. Water dyeing method
This method is the most common. The main component of the staining solution is nitrate, rare Arimonia, etc., put pearls in the solution, dyeing at a temperature of about 40 ° C. Depending on the concentration of the dye, the dyeing time is from several minutes to ten hours. Wait.
The pearl dyed by this dyeing method, because the dye is difficult to penetrate inside the pearl, so the harmful chemicals will be attached to the surface of the pearl. It will also be dyed, which is really poisonous everywhere!
2. Oil dyeing method
It oil dye is dissolved in oily dyes in the mixture of vegetable oil, mineral oil, or two, soak pearls in it, open for a long time, and keep it in the same time, and keep it in the same way, and keep it in the same way, and keep it in the same way, and keep it in the same way, and keep it all the time, keep it in the same time, and keep it in the same way. Only in high temperature environment can gradually color.
The pearl dyed with oil is not very bright. After that, it should be cleaned with oily oil attached to pearls with benzene, gasoline, and neutral detergent.
3. Alcohol dyeing method
alcohol dyeing method is to use the mixture of alcohol and water, polyethylene glycol, or other mixture with water as dyed solvents, and dyeing at 40-60 ° C temperature After dyeing, you need to soak in alcohol for about an hour.
The most common dyed pearls on the market are Nanyang Pearl and Daxi Black Pearl. Generally speaking, Nanyang Pearl pearls are more dyed because Daxi Black Pearl has a high chance of dyeing. The cost is higher.
It because the dyed pearl is becoming more and more realistic, many friends do not know how to identify the authenticity. The most direct way is to send it to a professional quality inspection institution. If it is dyeing, it will be on the certificate. It is marked with dyeing.
The reality will be more complicated. Sometimes it is too late to send testing. How to identify it with the naked eye without equipment?
The four tricks to teach you to identify dyeing pearl
1. Seeing color
The density of pearl bead layers is different. When dyeing Poin spots can be seen on the surface of the dyed pearl.
It the color of the dyed pearls also looks very dull, without the natural aura of natural pearls.
PS: There are obvious boundary lines in the stains and other places. If you cannot see clearly, you can place the pearls under the strong light of the incandescent lamp, and the pigmentation can be hidden without any place.
2. Looking at fluorescent
Deded black pearls will display dark red fluorescence under the fluorescent lamp, and natural black pearls do not have this feature.
3. Look at the size
The heads of colored pearls are generally large, like Daxi Black Pearl. Most bead diameters are concentrated between 9mm and 10mm.
The diameter of Nanyang Golden Pearl is also between 9 and 12mm, while Akoya Pearl has a diameter of more than 9mm even if it is a treasure.
Depending on the actual situation, if the size and price comparison appear strange, then pay more attention.
4. Look at the powder
rubbing two pearls to observe the dropped pearl powder. The powder of natural pearls is white. If it is dyed pearl, such as dyeing black pearls, the powder is black or brown.
The test method is destructive. If you have to use it carefully, it is best to choose a pearl jewelry with an appraisal certificate.