| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| GB/T 8981-2008 |
Determination of trace hydrogen in gases - Gas chromatographic method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| HG/T 3633-1999 |
Pure methane |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 14605-1993 |
Determination of trace argon, nitrogen and krypton in oxygen－Gas chromatographic method |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/T 14852-1993 |
Determination of trace oxygen in gases－Phosphor chemiluminescence method |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/T 31058-2014 |
Gases for electronic industry―Silicon tetrafluoride |
 (USD) |
via email in
1 business day
|
VALID
|
|
| GB 10626-1989 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 5832.2-2008 |
Determination of moisture in gases - Part 2:Dew point method |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB 4844.2-1995 |
Pure helium |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 15909-2017 |
Gas for electronic industry—Silane |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB 8905-1988 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 14604-1993 |
Gases for electronic industry. Oxygen |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 34226-2017 |
Technical guideline for formic acid preparation from yellow phosphorus tail gas |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 34236-2017 |
Technical guideline for methanol preparation from carbon dioxide |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 4844.1-1995 |
Industrial helium |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 18994-2014 |
Gases for electronic industry—High purity chlorine |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 8979-2008 |
Pure nitrogen and high purity nitrogen and ultra pure nitrogen |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 26249-2010 |
Gases for electronic industry—Hydrogen selenide |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 35995-2018 |
Carbon monoxide |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 5274-2008 |
Gas analysis - Preparation of calibration gas mixture - Gravimetric method |
 (USD) |
via email in
1-5 business day
|
ABOLISHED
|
|
| GB/T 34710.1-2017 |
Classification of the mixture gas—Part 1:Toxic classification |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
|
|
