1 thought on “How to identify the authenticity and purity of gold and silver jewelry”
Maxine
Introduction: Many people do not understand gold and silver. They can only judge how its quality is judged by checking the labels on the gold and silver jewelry (materials, purity, weight, etc.). However, the label can also be printed casually! As long as you install a jewelry system in the computer, and then enter the information you want, you can type the label. So how can we know if the gold and silver jewelry you bought is true? Is there any water mixing? The quality is good or bad? On how to identify the authenticity and purity of gold and silver jewelry 1, four steps to easily identify Gold and false The first step: observe the color of the gold, the old saying: "Seven Qing, Eight Huang, Nine Five Five", high purity of gold enough point. Moreover, "real gold is not afraid of fire refining", put gold at high temperature, does not fade, does not melt, and does not change color. It still looks like after cooling. Step 2: Gently weigh its weight by hand to determine whether it is commensurate with the size of the volume. For example, if it feels lighter, it is likely to be an adulteration. 3: Press the gold jewelry by hand, the softer is high -definition gold, and the low -clear gold or mixed alloy is not soft. The small gold jewelry can be bent, the color is clear and soft, and the folds are wrinkled; the low and hard gold gold, crispy and easy to break; mixed gold also has elasticity. The fourth step: collide the two pieces of gold, the quality of the quality is good; the quality of poor quality is made; 2. Three steps to easily identify the authenticity of silver The first step: the higher the purity of the silver, the whitening the color, and the surface looks uniform and shiny, very moist. If it contains lead, it will show green gray; if copper contains, it will not have a moisturizing feeling, which is rough. Most of the color of yellow hair, poor color or downside are fake silver. Step 2: The old saying is right. With a large head needle, silver will not leave traces, and other metal jewelry will leave obvious traces. Silver is easy to bend and is not easy to break. Those who can't stand the bend are fakes. The third step: the worse the color of the silver, the lower the sound. If the copper is contained, the sound is high and sharp; if it contains lead, tin, etc., the sound is dull and short. 3. How to judge the purity of gold K gold is divided into yellow K gold, red K gold, white K gold, and color K gold. Factory mark. The gold content of gold = x ÷ 24, x is the number in front of "K", such as the gold content of 22k gold = 22 ÷ 24 = 91.7%. 1) See color: Conal containing 70 % of the gold, the jewelry is yellow with green; 80 % of the gold, the jewelry is yellow; The texture of pure gold is soft, and it is generally not used as a inlaid accessories. Therefore, it must be fake. ) Type weight: The proportion of gold is 19.3g/cm3. When the proportion is close to 19.3, the purity of the gold will be higher; when the proportion is close to 18.5, the purity will be about 95%; when the proportion is close to 17.8, the purity is about 90%, and so on. Many of the gold jewelry sold in the market currently are Asian gold products, that is, there is no gold ingredient, but a alloy material made of metal such as copper, aluminum, nickel, which has high hardness, abrasion resistance, non -changing color, etc. Features. 3) Test gold stones: In a piece of black test stone with delicate texture, use a number of standard tests with different standards of gold on the test gold stones, and then scripted the gold that needs to be identified on the same test gold stone. Essence Then drip the concentrated nitric acid on this test gold stone to remove the impurities, find the traces left by the scheduled just now, and observe the traces left by the gold and which piece of the test gold left. It is the purity of the test gold, if it is not consistent, it means that the purity of the gold is definitely not right. 4. How to judge the purity of silver Observe the color of the silver jewelry stubble. Red, the color is about 95%; If the stubble mouth is white and slightly red, the color will be about 90%; Red or gray, the color is about 80%; If the surface is white and dry, the stubble mouth is reddish and yellow, then the color is about 70%; The yellow in the yellow is below 60%.
Introduction: Many people do not understand gold and silver. They can only judge how its quality is judged by checking the labels on the gold and silver jewelry (materials, purity, weight, etc.). However, the label can also be printed casually! As long as you install a jewelry system in the computer, and then enter the information you want, you can type the label. So how can we know if the gold and silver jewelry you bought is true? Is there any water mixing? The quality is good or bad?
On how to identify the authenticity and purity of gold and silver jewelry
1, four steps to easily identify Gold and false
The first step: observe the color of the gold, the old saying: "Seven Qing, Eight Huang, Nine Five Five", high purity of gold enough point. Moreover, "real gold is not afraid of fire refining", put gold at high temperature, does not fade, does not melt, and does not change color. It still looks like after cooling.
Step 2: Gently weigh its weight by hand to determine whether it is commensurate with the size of the volume. For example, if it feels lighter, it is likely to be an adulteration.
3: Press the gold jewelry by hand, the softer is high -definition gold, and the low -clear gold or mixed alloy is not soft. The small gold jewelry can be bent, the color is clear and soft, and the folds are wrinkled; the low and hard gold gold, crispy and easy to break; mixed gold also has elasticity.
The fourth step: collide the two pieces of gold, the quality of the quality is good; the quality of poor quality is made;
2. Three steps to easily identify the authenticity of silver
The first step: the higher the purity of the silver, the whitening the color, and the surface looks uniform and shiny, very moist. If it contains lead, it will show green gray; if copper contains, it will not have a moisturizing feeling, which is rough. Most of the color of yellow hair, poor color or downside are fake silver.
Step 2: The old saying is right. With a large head needle, silver will not leave traces, and other metal jewelry will leave obvious traces. Silver is easy to bend and is not easy to break. Those who can't stand the bend are fakes.
The third step: the worse the color of the silver, the lower the sound. If the copper is contained, the sound is high and sharp; if it contains lead, tin, etc., the sound is dull and short.
3. How to judge the purity of gold
K gold is divided into yellow K gold, red K gold, white K gold, and color K gold. Factory mark.
The gold content of gold = x ÷ 24, x is the number in front of "K", such as the gold content of 22k gold = 22 ÷ 24 = 91.7%.
1) See color:
Conal containing 70 % of the gold, the jewelry is yellow with green; 80 % of the gold, the jewelry is yellow; The texture of pure gold is soft, and it is generally not used as a inlaid accessories. Therefore, it must be fake.
) Type weight:
The proportion of gold is 19.3g/cm3. When the proportion is close to 19.3, the purity of the gold will be higher; when the proportion is close to 18.5, the purity will be about 95%; when the proportion is close to 17.8, the purity is about 90%, and so on. Many of the gold jewelry sold in the market currently are Asian gold products, that is, there is no gold ingredient, but a alloy material made of metal such as copper, aluminum, nickel, which has high hardness, abrasion resistance, non -changing color, etc. Features.
3) Test gold stones:
In a piece of black test stone with delicate texture, use a number of standard tests with different standards of gold on the test gold stones, and then scripted the gold that needs to be identified on the same test gold stone. Essence Then drip the concentrated nitric acid on this test gold stone to remove the impurities, find the traces left by the scheduled just now, and observe the traces left by the gold and which piece of the test gold left. It is the purity of the test gold, if it is not consistent, it means that the purity of the gold is definitely not right.
4. How to judge the purity of silver
Observe the color of the silver jewelry stubble. Red, the color is about 95%;
If the stubble mouth is white and slightly red, the color will be about 90%;
Red or gray, the color is about 80%;
If the surface is white and dry, the stubble mouth is reddish and yellow, then the color is about 70%; The yellow in the yellow is below 60%.