| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 20899.4-2021 |
Methods for chemical analysis of gold ores—Part 4: Determination of copper content |
$225.00 |
via email in 1~3 business day |
valid,,2022-3-1 |
|
| GB/T 20899.5-2007 |
Methods for chemical analysis of gold ores—Part 5:Determination of lead contents |
$120.00 |
via email in 1~3 business day |
superseded,2022-3-1,2007-11-1 |
|
| GB/T 20899.5-2021 |
Methods for chemical analysis of gold ores—Part 5: Determination of lead content |
$225.00 |
via email in 1~3 business day |
valid,,2022-3-1 |
|
| GB/T 20899.6-2007 |
Methods for chemical analaysis of gold ores—Part 6:Determination of zinc contents |
$120.00 |
via email in 1~3 business day |
superseded,2022-3-1,2007-11-1 |
|
| GB/T 20899.6-2021 |
Methods for chemical analysis of gold ores—Part 6: Determination of zinc content |
$165.00 |
via email in 1~3 business day |
valid,,2022-3-1 |
|
| GB/T 20899.7-2007 |
Methods for chemical analysis of gold ores—Part 7:Determination of iron contents |
$140.00 |
via email in 1~3 business day |
superseded,2023-7-1,2007-11-1 |
|
| GB/T 20899.7-2022 |
Methods for chemical analysis of gold ores—Part 7: Determination of iron content |
$165.00 |
via email in 1~3 business day |
valid,,2023-7-1 |
|
| GB/T 20899.8-2007 |
Methods for chemical analysis of gold ores—Part 8:Determination of sulfur contents |
$120.00 |
via email in 1~3 business day |
superseded,2023-7-1,2007-11-1 |
|
| GB/T 20899.8-2022 |
Methods for chemical analysis of gold ores—Part 8: Determination of sulfur content |
$225.00 |
via email in 1~3 business day |
valid,,2023-7-1 |
|
| GB/T 20899.9-2007 |
Methods for chemical analysis of gold ores—Part 9:Determination of carbon cotents |
$124.00 |
via email in 1~3 business day |
valid,,2007-11-1 |
|
| GB/T 209-2018 |
Sodium hydroxide for industrial use |
$160.00 |
immediately |
valid,,2019-11-1 |
|
| GB/T 20900-2007 |
Lifts (elevators) escalators and moving walks—Risk assessment and reduction methodology |
$490.00 |
via email in 1~5 business day |
valid,,2007-9-1 |
|
| GB/T 20901-2007 |
Specification for equipping and managing of measuring instrument of energy in petroleum and petrochemical industry |
$60.00 |
immediately |
valid,,2007-10-1 |
|
| GB/T 20902-2007 |
Specification for equipping and managing of the measuring instrument of energy in the nonferrous metals smelters |
$120.00 |
via email in 1~3 business day |
valid,,2007-10-1 |
|
| GB/T 20903-2007 |
Classification of condiment |
$120.00 |
via email in 1~5 business day |
valid,,2007-9-1 |
|
| GB/T 20907-2007 |
Technical requirements for automatic fare collection system of urban rail transportation |
$150.00 |
immediately |
abolished2025-04-01,2025-4-1,2007-11-1 |
|
| GB/T 20907-2024 |
Technical specification for automatic fare collection system of urban rail transit |
$435.00 |
via email in 1~5 business day |
valid,,2025-4-1 |
|
| GB/T 20908-2007 |
General specification for the contact line measuring car of urban rail transit |
$150.00 |
via email in 1~3 business day |
valid,,2007-11-1 |
|
| GB/T 20909-2007 |
Steel doors and windows |
$190.00 |
via email in 1~3 business day |
abolished2018-05-01,2018-5-1,2007-11-1 |
|
| GB/T 20909-2017 |
Steel windows and doors |
$400.00 |
via email in 1~3 business day |
valid,,2018-5-1 |
|
|
|
