| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| GB/T 16553-2010 |
Gems—Testing |
 (USD) |
via email in
1-10 business day
|
ABOLISHED
|
|
| QB/T 4723-2014 |
|
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 38162-2019 |
High content silver jewellery alloys—Determination of silver—Difference method using inductively coupled plasma optical emission spectroscopy |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| QB/T 4182-2011 |
Ornament--Marking |
|
via email in
|
|
please email coc@codeofchina.com for quotation
|
| QB/T 4189-2011 |
Evaluation Specifications of Precious Metal Jewelry Technological |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 28019-2011 |
Adornment—Determination of Chromium(Ⅵ)—1,5-Diphenylcarbohydrazide spectrophotometric method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 36927-2018 |
Judgment guideline of childrens jewellery |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| DB23/T 1643-2015 |
|
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| QB/T 1734-2008 |
|
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 38816-2020 |
Agate—Beihong agate—Testing |
 (USD) |
via email in
1-3 business day
|
TO BE VALID
|
|
| DB37/T 2952-2017 |
Diamond Color Grading |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 9288-2019 |
Gold jewellery alloys—Determination of gold—Cupellation method(fire assay) |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 18043-2008 |
Jewellery - Determination of precious metal content - Method using X-Ray flurescence spetrometry |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 35777-2017 |
Mechanical tests for metal alloys adornment chains—Tensile testing |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| T/GYSP 4-2018 |
Rules for sample nomenclature— Jadeite |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB 11887-2012/XG1-2015 |
Jewellery - Fineness of precious metal alloys and designation |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| DB37/T 2948-2017 |
Testing and Grading of Synthetic Diamond |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 38145-2019 |
High content precious metals jewellery alloys—Determination of gold,platinum and palladium—Difference method using inductively coupled plasma optical emission spectroscopy |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| DB37/T 2951-2017 |
Diamond Cut Grading |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 16554-2003 |
Diamond grading |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
|
|
