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Position: Chinese Standard in English/QB 1131-2005
QB 1131-2005   Jewellery-the provision of gold coatings tickness (English Version)
Standard No.: QB 1131-2005 Status:valid remind me the status change

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Standard No.: QB 1131-2005
English Name: Jewellery-the provision of gold coatings tickness
Chinese Name: 首饰 金覆盖层厚度的规定
Chinese Classification: Y88    Artistic handicrafts
Professional Classification: QB    Professional Standard - Light Industry
ICS Classification: 39.06 39.06    Jewellery 39.06
Issued by: NDRC
Issued on: 2005-9-23
Implemented on: 2006-5-1
Status: valid
Language: English
File Format: PDF
Word Count: 3500 words
Price(USD): 105.0
Delivery: via email in 1 business day
1 Scope This standard specifies the terms and definitions, requirements, inspection methods and marks of gold coatings thickness. This standard is applicable to jewelry products with non-gold base. 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies. GB/T 17722 Gold-plated thickness measurement by SEM QB/T 1133 Jewellery - Determination of gold coatings - Method of Chemistry QB/T 1135 Jewellery-Measurement of gold and silver coating thickness-X-ray fluorescence spectrometric methods 3 Terms and definitions For the purpose of this standard, the following terms and definitions apply. Jewellery with a gold alloy coating may be designated by the terms given in Table 1 only if the thickness of the coating is in accordance with the values indicated in this table. Note: this coating requirement may also be defined by the fine gold content related to the total mass of the article. The fine gold content defined in this way is customarily indicated in the jewellery trade in “millième”. In this case, the conformity of the coating with the requirements has to be calculated using the mass of the article, the value expressed in millième, the surface area and the density of fine gold. However, to conform with this standard, the coating, defined in millième, has to be at least equivalent to the thickness indicated in Table 1.
Foreword I 1 Scope 2 Normative references 3 Terms and definitions 4 Requirements 5 Inspection method 6 Marking Annex A (Informative) Numbering of the clauses in this standard corresponds to that in ISO 10713: 1992 Annex B (Informative) Technical differences between this standard and ISO 10713:1992 and their reasons
Code of China
Standard
QB 1131-2005  Jewellery-the provision of gold coatings tickness (English Version)
Standard No.QB 1131-2005
Statusvalid
LanguageEnglish
File FormatPDF
Word Count3500 words
Price(USD)105.0
Implemented on2006-5-1
Deliveryvia email in 1 business day
Detail of QB 1131-2005
Standard No.
QB 1131-2005
English Name
Jewellery-the provision of gold coatings tickness
Chinese Name
首饰 金覆盖层厚度的规定
Chinese Classification
Y88
Professional Classification
QB
ICS Classification
Issued by
NDRC
Issued on
2005-9-23
Implemented on
2006-5-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
Language
English
File Format
PDF
Word Count
3500 words
Price(USD)
105.0
Keywords
QB 1131-2005, QB/T 1131-2005, QBT 1131-2005, QB1131-2005, QB 1131, QB1131, QB/T1131-2005, QB/T 1131, QB/T1131, QBT1131-2005, QBT 1131, QBT1131
Introduction of QB 1131-2005
1 Scope This standard specifies the terms and definitions, requirements, inspection methods and marks of gold coatings thickness. This standard is applicable to jewelry products with non-gold base. 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies. GB/T 17722 Gold-plated thickness measurement by SEM QB/T 1133 Jewellery - Determination of gold coatings - Method of Chemistry QB/T 1135 Jewellery-Measurement of gold and silver coating thickness-X-ray fluorescence spectrometric methods 3 Terms and definitions For the purpose of this standard, the following terms and definitions apply. Jewellery with a gold alloy coating may be designated by the terms given in Table 1 only if the thickness of the coating is in accordance with the values indicated in this table. Note: this coating requirement may also be defined by the fine gold content related to the total mass of the article. The fine gold content defined in this way is customarily indicated in the jewellery trade in “millième”. In this case, the conformity of the coating with the requirements has to be calculated using the mass of the article, the value expressed in millième, the surface area and the density of fine gold. However, to conform with this standard, the coating, defined in millième, has to be at least equivalent to the thickness indicated in Table 1.
Contents of QB 1131-2005
Foreword I 1 Scope 2 Normative references 3 Terms and definitions 4 Requirements 5 Inspection method 6 Marking Annex A (Informative) Numbering of the clauses in this standard corresponds to that in ISO 10713: 1992 Annex B (Informative) Technical differences between this standard and ISO 10713:1992 and their reasons
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Keywords:
QB 1131-2005, QB/T 1131-2005, QBT 1131-2005, QB1131-2005, QB 1131, QB1131, QB/T1131-2005, QB/T 1131, QB/T1131, QBT1131-2005, QBT 1131, QBT1131