| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| GB/T 28729-2012 |
Nitrous oxide |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 5274.1-2018 |
Gas analysis—Preparation of calibration gas mixtures—Part 1:Gravimetric method for class Ⅰ mixtures |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 34250-2017 |
Technical code for safety of methanol preparation from carbon dioxide |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 3863-2008 |
Industrial oxygen |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 14599-1993 |
High purity oxygen |
 (USD) |
via email in
1 business day
|
ABOLISHED
|
|
| GB/T 6285-2016 |
Determination of trace oxygen in gases—Electrochemical method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 28124-2011 |
Determination of trace hydrogen,oxygen,methane and carbon monoxide in the inert gases—Gas chromatographic method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 18994-2003 |
Gases for electronic industry—High purity chlorine |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/T 34710.3-2018 |
Classification of the mixture gas—Part 3:Flammable classification |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 37244-2018 |
Fuel specification for proton exchange membrane fuel cell vehicles—Hydrogen |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 36653-2018 |
Electronic grade trimethylaluminium |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| HG/T 4097-2009 |
Propane with synergist |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 37007-2018 |
Electronic grade trimethylgallium |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 37182-2018 |
Gas analysis—Gas chromatograph with plasma emission detector |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 4842-2006 |
Argon |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| HG/T 3661.1-1999 |
Burning gases for welding and cutting -- propene |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 34525-2017 |
Safety rules for handling,loading and unloading,storing and using of cylinder |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 28727-2012 |
Gas analysis—Determination of sulfides—Gas chromatograph with flame photometric detector |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 37180-2018 |
Gas analysis—Handling of calibration gases and gas mixtures—Guidelines |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 34085-2017 |
Gas for electronic industry—Trifluoromethane |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
|
|
