2 thoughts on “wholesale septum jewelry How to become serious and false”
Sara
wholesale jewelry cloth 1. Look at the color The different luster and color of the gold can be generally distinguished from pure gold, K gold, real gold, fake gold. That is, gold is better yellow (yellow -red), and the color is more than 95%; the positive yellow color is about 80%; the blue and yellow color is about 70%; the yellow color is slightly gray and the color is about 50%. Therefore, there is a formula for "seven green eight yellow, yellow nine five red, yellow leucorrhea ash pairs of gold". For jewelry from Jiu Tibet, there will be a saying that "copper turns green, silver turns black, and gold will never change color".
. The weight D gold is about double the weight of the same volume silver, lead, and tin. True gold has a feeling of falling on the hand, while copper or others only have a sense of heavyness without falling.
3. Listening to the sound When the golden jewelry with high color color is knocked down or threw it hard, the dull sound of "hits, clicks" is made, there is no charm or elasticity, no charm, no elasticity, no elasticity , K Kim has the rhyme, sound, elasticity, the greater the elasticity, the more the rhyme, the more old, the worse the color. The fake or low golden sound is crispy but no dullness. Generally, the sound of "Dangdang" is emitted, and there are surplus sounds.
4. Folding hardness The gold with high color shall be left with large head needles or nails. More than 97%of gold jewelry, after twisting two or three times, wrinkles appear at the bending, also called fish scales; about 95%of gold jewelry, it feels hard when bending, and the fish scales are not obvious; about 90%of the golden gold golden gold; The jewelry is very hard when the bending is bent, without fish scales; gold jewelry containing more impurities, bend twice or three times to break; if it is made for raw gold, the bend is broken. When using this method, the width and thickness of the jewelry should be considered. The thick and width should be hardened, and the thin and narrow ones are softer.
5. Use the test goldstone to identify the color The use of the gold -pairing card (the gold medal of the identified color) and the subject's first jewelry on the test gold stone to make the color of the gold jewelry. This method should be carried out under natural light and sunlight, and cannot be carried out under the direct sunlight and incandescent lamps. This in the past often used testing gold stones to determine the general content of gold. Testing gold stones are a mixed black mineral such as quartz and protein -containing quartz, and the gold is drawn on the test stone to see the general shape of the gold. Pure gold: shiny dark yellow, thick yellow; silver gold: light color change slightly green green; gold containing silver greater than 25%of gold: earth white; copper -containing gold: deeper color, red color tone; silver copper tone; Gold: yellow; gold containing zinc, same, nickel: white gold.
6. Use acid dot The golden trail of identified jewelry and cards on the test stone, and use a glass stick to test nitric acid on the golden road. Do not react with acid, so the color is unchanged. If it is not gold or non -pure gold, the Golden Road disappears or changes. The law of changes is "three fast, three slows", that is, the low color disappears quickly, and the high color disappears slowly; Depending on the disappearance of its golden road, compare cards can determine the color of gold jewelry.
7. Burning with fire This will be used to burn red (do not melt the jewelry) with fire (do not melt the jewelry), and observe the color change after cooling. If the color becomes darker or different degrees, it is not pure gold. Generally, the lower the color, the stronger the color, and the darkens are all, indicating that it is a fake gold jewelry. After burning red, it is quenched into the water, and the color remains unchanged. It really does not change color when it comes to fire.
The test, two golds with different purifications, one containing a small amount of impurities, and one is a full -scale gold. Essence The color of the gold necklace with a low purity becomes darker, the section is rough, and the location of the welding medicine is obviously dark; and the golden foot gold still shows the bright golden nature of the gold, the melting surface is smooth and clean, and even brighter than the original.
wholesale jewelry boxes with foam inserts 00:00 / 00: 5570% shortcut keys to describe space: Play / suspend ESC: exit full screen ↑: increase volume 10% ↓: reduced volume decrease by 10% →: single fast forward 5 seconds studio Here you can drag no longer appear in the player settings to reopen the small window shortcut key description
wholesale jewelry cloth 1. Look at the color
The different luster and color of the gold can be generally distinguished from pure gold, K gold, real gold, fake gold. That is, gold is better yellow (yellow -red), and the color is more than 95%; the positive yellow color is about 80%; the blue and yellow color is about 70%; the yellow color is slightly gray and the color is about 50%. Therefore, there is a formula for "seven green eight yellow, yellow nine five red, yellow leucorrhea ash pairs of gold". For jewelry from Jiu Tibet, there will be a saying that "copper turns green, silver turns black, and gold will never change color".
. The weight
D gold is about double the weight of the same volume silver, lead, and tin. True gold has a feeling of falling on the hand, while copper or others only have a sense of heavyness without falling.
3. Listening to the sound
When the golden jewelry with high color color is knocked down or threw it hard, the dull sound of "hits, clicks" is made, there is no charm or elasticity, no charm, no elasticity, no elasticity , K Kim has the rhyme, sound, elasticity, the greater the elasticity, the more the rhyme, the more old, the worse the color. The fake or low golden sound is crispy but no dullness. Generally, the sound of "Dangdang" is emitted, and there are surplus sounds.
4. Folding hardness
The gold with high color shall be left with large head needles or nails. More than 97%of gold jewelry, after twisting two or three times, wrinkles appear at the bending, also called fish scales; about 95%of gold jewelry, it feels hard when bending, and the fish scales are not obvious; about 90%of the golden gold golden gold; The jewelry is very hard when the bending is bent, without fish scales; gold jewelry containing more impurities, bend twice or three times to break; if it is made for raw gold, the bend is broken. When using this method, the width and thickness of the jewelry should be considered. The thick and width should be hardened, and the thin and narrow ones are softer.
5. Use the test goldstone to identify the color
The use of the gold -pairing card (the gold medal of the identified color) and the subject's first jewelry on the test gold stone to make the color of the gold jewelry. This method should be carried out under natural light and sunlight, and cannot be carried out under the direct sunlight and incandescent lamps.
This in the past often used testing gold stones to determine the general content of gold. Testing gold stones are a mixed black mineral such as quartz and protein -containing quartz, and the gold is drawn on the test stone to see the general shape of the gold. Pure gold: shiny dark yellow, thick yellow; silver gold: light color change slightly green green; gold containing silver greater than 25%of gold: earth white; copper -containing gold: deeper color, red color tone; silver copper tone; Gold: yellow; gold containing zinc, same, nickel: white gold.
6. Use acid dot
The golden trail of identified jewelry and cards on the test stone, and use a glass stick to test nitric acid on the golden road. Do not react with acid, so the color is unchanged. If it is not gold or non -pure gold, the Golden Road disappears or changes. The law of changes is "three fast, three slows", that is, the low color disappears quickly, and the high color disappears slowly; Depending on the disappearance of its golden road, compare cards can determine the color of gold jewelry.
7. Burning with fire
This will be used to burn red (do not melt the jewelry) with fire (do not melt the jewelry), and observe the color change after cooling. If the color becomes darker or different degrees, it is not pure gold. Generally, the lower the color, the stronger the color, and the darkens are all, indicating that it is a fake gold jewelry. After burning red, it is quenched into the water, and the color remains unchanged. It really does not change color when it comes to fire.
The test, two golds with different purifications, one containing a small amount of impurities, and one is a full -scale gold. Essence The color of the gold necklace with a low purity becomes darker, the section is rough, and the location of the welding medicine is obviously dark; and the golden foot gold still shows the bright golden nature of the gold, the melting surface is smooth and clean, and even brighter than the original.
wholesale jewelry boxes with foam inserts 00:00 / 00: 5570% shortcut keys to describe space: Play / suspend ESC: exit full screen ↑: increase volume 10% ↓: reduced volume decrease by 10% →: single fast forward 5 seconds studio Here you can drag no longer appear in the player settings to reopen the small window shortcut key description