| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 20899.14-2017 |
Methods for chemical analysis of gold ores - Part 14: Determination of thallium content - Inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry |
$160.00 |
via email in 1~3 business day |
valid,,2018-8-1 |
|
| GB/T 20899.15-2023 |
Methods for chemical analysis of gold ores―Part 15:Determination of copper,lead,zinc,silver,iron,manganese,nickel,cobalt,aluminum,chromium,cadmium,antimony,bismuth,arsenic,mercury,selenium,barium and beryllium contents―Inductively coupled plasma mass sp |
$255.00 |
via email in 1~3 business day |
valid,,2024-3-1 |
|
| GB/T 20899.2-2007 |
Methods for chemical analysis of gold ores—Part 2:Determination of silver contents |
$124.00 |
via email in 1~3 business day |
abolished2020-11-01 ,2020-11-1,2007-11-1 |
|
| GB/T 20899.2-2019 |
Methods for chemical analysis of gold ores -- Part 2: Determination of silver content -- Flame atomic absorption spectrometric method |
$100.00 |
via email in 1~3 business day |
valid,,2020-11-1 |
|
| GB/T 20899.3-2007 |
Methods for chemical analysis of gold ores—Part 3:Determination of arsenic contents |
$180.00 |
via email in 1~3 business day |
abolished2020-11-01 ,2020-11-1,2007-11-1 |
|
| GB/T 20899.3-2019 |
Methods for chemical analysis of gold ores -- Part 3: Determination of arsenic content |
$170.00 |
via email in 1~3 business day |
valid,,2020-11-1 |
|
| GB/T 20899.4-2007 |
Methods for chemical analysis of gold ores—Part 4:Determination of copper cotents |
$120.00 |
via email in 1~3 business day |
abolished2022-03-01,2022-3-1,2007-11-1 |
|
| 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superseded,2022-3-1,2007-11-1 |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superseded,2022-3-1,2007-11-1 |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 |
|
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