2026-4-2 216.73.216.113
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
GB 11887-2012 Jewellery - Fineness of precious metal alloys and designation 40.0 via email in 1 business day superseded,2016-5-4,2013-5-1
DB37/T 2951-2017 Diamond Cut Grading via email in business day abolished2022-03-15 ,,2017-5-14
QB 1132-2005 Jewellery-the provision of silver coatings tickness 130.0 via email in 1 business day valid,,2006-5-1
GB/T 11886-2001 Chemical analysis--Method of silver content in jewellery 184.0 via email in 1~3 business day superseded,2016-1-1,2002-1-1
GB/T 21198.2-2007 Determination of precious metals in precious metals jewellery alloys - Method using ICP spectrometry - Part 2:Platinum jewellery alloys - Determination of platinum - Method using the 210.0 via email in 1~3 business day abolished2017-12-15,,2008-7-1
DB23/T 1643-2015 via email in business day valid,,2015-8-3
GB/T 23885-2009 Jadeite grading 310.0 via email in 1~3 business day valid,,2010-3-1
GB/T 23886-2009 Determination of nacre thickness—Optical coherence tomography 120.0 via email in 1~3 business day valid,,2010-1-1
GB 11887-2008 Jewellery - Fineness of precious metal alloys and designation 60.0 via email in 1 business day superseded,2013-5-1,2009-11-1
GB/T 31390-2015 Appraisal for view stone 220.0 via email in 1~3 business day valid,,2015-7-1
GB/T 11887-2000 Water quality--Determination of aniline compounds--Spectrophotometric method with N- (1-naphthyl) ethylenediamine 220.0 via email in 1~3 business day valid,,2000-9-1
GB/T 28021-2011 Adornment—Determination of baneful elements—Method of spectrometry 60.0 via email in 1 business day valid,,2012-2-1
QB/T 1689-2006 Terms of precious metal adornment 110.0 via email in 1 business day superseded,2022-4-1,2006-12-1
GB 28480-2012 Adornment—Provision for limit of baneful elements 40.0 via email in 1 business day valid,,2013-5-1
GB/T 28019-2011 Adornment - Determination of Chromium(Ⅵ) - 1, 5-Diphenylcarbohydrazide spectrophotometric method 55.0 via email in 1 business day valid,,2012-2-1
GB/T 18043-2000 Precious metal jewellery content non-damaged test method X-ray fluorescence spectrometry 180.0 via email in 1~3 business day superseded,2009-7-1,2000-9-1
GB/T 16554-2003 Diamond grading 210.0 via email in 1~3 business day abolished2011-02-01,2011-2-1,2003-11-1
GB/T 11888-2001 Jewellery--Ring-size--Definition,measurement and designation 224.0 via email in 1~3 business day superseded,2015-8-1,2002-1-1
GB/T 21198.3-2007 Determination of precious metals in precious metals jewellery alloys—Method using ICP spectrometry—Part 3: Palladium jewellery alloys—Determination of palladium—Method using a soluti 180.0 via email in 1~3 business day superseded,2020-5-1,2008-7-1
DB37/T 2952-2017 Diamond Color Grading via email in business day abolished2022-03-15 ,,2017-5-14
Previous Page     Next Page



Code of China
Search

GB 11887-2012 Jewellery - Fineness of precious metal alloys and designation 
  Issued on: 2012-11-5   Price(USD): 40.0
DB37/T 2951-2017 Diamond Cut Grading 
  Issued on: 2017-04-14   Price(USD):
QB 1132-2005 Jewellery-the provision of silver coatings tickness 
  Issued on: 2005-9-23   Price(USD): 130.0
GB/T 11886-2001 Chemical analysis--Method of silver content in jewellery 
  Issued on: 2001-07-20   Price(USD): 184.0
GB/T 21198.2-2007 Determination of precious metals in precious metals jewellery alloys - Method using ICP spectrometry - Part 2:Platinum jewellery alloys - Determination of platinum - Method using the 
  Issued on: 2007-11-12   Price(USD): 210.0
DB23/T 1643-2015  
  Issued on: 2015-07-03   Price(USD):
GB/T 23885-2009 Jadeite grading 
  Issued on: 2009-6-1   Price(USD): 310.0
GB/T 23886-2009 Determination of nacre thickness—Optical coherence tomography 
  Issued on: 2009-6-1   Price(USD): 120.0
GB 11887-2008 Jewellery - Fineness of precious metal alloys and designation  
  Issued on: 2008-12-31   Price(USD): 60.0
GB/T 31390-2015 Appraisal for view stone 
  Issued on: 2015-05-15   Price(USD): 220.0
GB/T 11887-2000 Water quality--Determination of aniline compounds--Spectrophotometric method with N- (1-naphthyl) ethylenediamine 
  Issued on: 2000-04-05   Price(USD): 220.0
GB/T 28021-2011 Adornment—Determination of baneful elements—Method of spectrometry 
  Issued on: 2011-10-31   Price(USD): 60.0
QB/T 1689-2006 Terms of precious metal adornment 
  Issued on: 2006-8-19   Price(USD): 110.0
GB 28480-2012 Adornment—Provision for limit of baneful elements 
  Issued on: 2012-06-29   Price(USD): 40.0
GB/T 28019-2011 Adornment - Determination of Chromium(Ⅵ) - 1, 5-Diphenylcarbohydrazide spectrophotometric method  
  Issued on: 2011-10-31   Price(USD): 55.0
GB/T 18043-2000 Precious metal jewellery content non-damaged test method X-ray fluorescence spectrometry 
  Issued on: 2000-04-05   Price(USD): 180.0
GB/T 16554-2003 Diamond grading 
  Issued on: 2003-07-01   Price(USD): 210.0
GB/T 11888-2001 Jewellery--Ring-size--Definition,measurement and designation 
  Issued on: 2001-07-20   Price(USD): 224.0
GB/T 21198.3-2007 Determination of precious metals in precious metals jewellery alloys—Method using ICP spectrometry—Part 3: Palladium jewellery alloys—Determination of palladium—Method using a soluti 
  Issued on: 2007-11-12   Price(USD): 180.0
DB37/T 2952-2017 Diamond Color Grading 
  Issued on: 2017-04-14   Price(USD):
6
About Us   |    Contact Us   |    Terms of Service   |    Privacy   |    Cancellation & Refund Policy   |    Payment
Contact us via WeChat
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 3680948734
Copyright: Beijing COC Tech Co., Ltd. 2008-2040