1, the damage degree of jadeite cannot be identified! The Quality Supervision Bureau can only identify the jadeite material, and determine whether it is natural jadeite A goods through density, refractive index, infrared spectrum analysis and amplification inspection.
2, there is no identification. Nanjing Quality Supervision Bureau is located in Chengxian Street, Nanjing City, Jiangsu Province. Only from September18 to September 30, 2020, Nanjing Quality Inspection Institute organized quality month public welfare testing activities to provide citizens with free appraisal services for gold, jewelry and jade. In normal times, it is not identified.
3. We can understand that there are "three risks" with the appraisal certificates of the above three marks.
4. If you buy jadeite in a regular jewelry store, under normal circumstances, the jewelry store will also issue a certificate of quality appraisal of jadeite, and this kind of appraisal certificate can only be done by an authoritative organization.
5. "CMA" is necessary. If not, it proves that the appraisal institution has no appraisal qualification and is not credible. Another formal jade appraisal certificate, in addition to the English logo above, will also have product pictures, certificate number and institution's steel seal.
Is the Bureau of Quality and Technical Supervision responsible for jadeite identification?
The local quality supervision bureau is only an administrative functional department, with no relevant professional instruments and equipment, qualifications and experience. Therefore, the certificate cannot be issued.
Its subsidiaries can inspect jewelry and jadeite. Changshu Product Quality Supervision and Inspection Institute, Address: No.87, century avenue, Changshu, Tel: 05 125287 199, hope to adopt it.
Description: The quality inspection department is responsible for the inspection, identification and certification of articles, and the identification of jadeite is authoritative and professional. In Gucheng County, you can go to the Quality and Technical Supervision Bureau, the Market Supervision Bureau, the Industrial and Commercial Bureau and other relevant departments for consultation, understand the specific identification process and standards, and identify jadeite.
Wait a minute. Municipal level: Dalian Gold, Silver and Jewelry Supervision and Inspection Center (affiliated to the Product Quality Supervision and Inspection Institute of Dalian Bureau of Quality and Technical Supervision), etc. In terms of talents, funds, management and scientific research. The higher the administrative level, the greater the inherent advantages of testing institutions, so it is easier to gain market recognition.
No identification. Nanjing Quality Supervision Bureau is located in Chengxian Street, Nanjing City, Jiangsu Province. Only from September18 to September 30, 2020, Nanjing Quality Inspection Institute organized quality month public welfare testing activities to provide citizens with free appraisal services for gold, jewelry and jade. In normal times, it is not identified.
You can go to the jewelry appraisal center for your own appraisal. Only five yuan.
What jade testing institutions are there in Nanjing? What is the charging standard? thank you
All provincial quality supervision bureaus and gold and jewelry inspection centers can do it. The key is to be able to issue a formal inspection report. Prices vary from place to place, generally around 300 yuan. Gold is cheaper, and jewelry and jade appraisal are more expensive.
Among them, the Nanjing Jewelry Appraisal Center in Zhongshan Gate is free (if you don't issue a certificate)! Note that the Jiangsu Gold and Jewelry Appraisal Center at Zhongshan Gate is charged. You can ask when you go to the appraisal, because the two appraisal centers are in the same building. If the certificate is issued, both families want money.
Jiangsu Gold and Jewelry Testing Center No.534, Zhongshan East Road, Nanjing 025-6641708210016 Identification of No.700, Zhujiang Road, Nanjing, Jiangsu Technical Supervision Jewelry Quality Inspection Station 025-6646182-26520018. . However, the standard of appraisal fee in Nanjing is not clear.
Jiangning Gold and Jewel Tower have been appraised, and the cost is about 10-20 yuan.
For help, where can I identify jadeite in Nanjing?
1. At present, there are many qualified appraisal centers in Nanjing, including Zhujiang Road, Hongshan Road and Zhongshan Gate. There are two appraisal centers at No.534 Zhongshan East Road, one is Nanjing Jewelry Appraisal Center and the other is Jiangsu Gold Jewelry Appraisal Center.
2, there is no identification. Nanjing Quality Supervision Bureau is located in Chengxian Street, Nanjing City, Jiangsu Province. Only from September18 to September 30, 2020, Nanjing Quality Inspection Institute organized quality month public welfare testing activities to provide citizens with free appraisal services for gold, jewelry and jade. In normal times, it is not identified.
3, the provincial quality supervision bureau, gold jewelry testing center can be, the key is to be able to issue a formal test report, the price varies from place to place, generally around 300 yuan. Gold is cheaper, and jewelry and jade appraisal are more expensive.
4. Jiangning Gold and Jewel Tower have been appraised, and the cost is about 10-20 yuan.
5. Nanjing bracelet appraisal At the intersection of Zhujiang Road and Longpan Road, there is a geological unit with jade jewelry appraisal and national certification certificate. Chinese Name: Emerald, Emerald, Agate, Tourmaline, Frozen Wax. Water bracelets include jadeite, jadeite, agate, tourmaline and iced glutinous rice. They look as clear as water, so they are called water bracelets.
Where can I identify jadeite?
Identification of jadeite can be sent to the local jadeite quality inspection center for inspection, and the results can usually be obtained on the same day. In addition, you can also cut jade with your own knife or knock jade with chopsticks. If traces are drawn or the voice is hoarse, it means that this jade is fake.
The places where Yibin can do jade appraisal are: Yibin Jade Research Institute and Yibin Jade Appraisal Center. How to treat jadeite? Texture: The texture of jade requires high hardness, high density, delicate texture and oiliness. Color: Jade requires bright color, uniform color, no pigment precipitation and no obvious color difference.
Jade can be identified in a regular jade shop. You can also try to test the hardness, listen to the sound or look at the texture to identify the authenticity of jade, but if you are not professional, it is recommended to go to a special institution for identification, because professional people do professional things.