| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 27894.3-2011 |
Natrual gas—Determination of composition with defined uncertainty by gas chromatography—Part 3:Determination of hydrogen,helium,oxyen,nitrogen,carbon dioxide and hydrocarbons up to C8 using two packed columns |
$220.00 |
via email in 1~3 business day |
superseded,2023-7-1,2012-6-1 |
|
| GB/T 27894.3-2023 |
Natural gas―Determination of composition and associated uncertainty by gas chromatography―Part 3:Precision and bias |
$225.00 |
via email in 1~3 business day |
valid,,2023-7-1 |
|
| GB/T 27894.4-2012 |
Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 4: Determination of nitrogen,carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns |
$210.00 |
via email in 1~3 business day |
valid,,2013-3-1 |
|
| GB/T 27894.5-2012 |
Natural gas—Determination of composition with defined uncertainty by gas chromatography—Part 5:Determination of nitrogen,carbon dioxideand C1 to C5 and C+6 hydrocarbons for a laboratory and on-line process application using three columns |
$240.00 |
via email in 1~3 business day |
valid,,2013-3-1 |
|
| GB/T 27894.6-2012 |
Natural gas—Determination of composition with defined uncertainty by gas chromatography—Part 6:Determination of hydrogen helium oxygen nitrogen carbon dioxide and C1 to C8 hydrocarbons using three capillary columns |
$300.00 |
via email in 1~5 business day |
valid,,2013-7-1 |
|
| GB/T 27895-2011 |
Natural gas - Determination of the hydrocarbon dew point - Cooled mirror method |
$124.00 |
via email in 1~3 business day |
valid,,2012-6-1 |
|
| GB/T 27896-2011 |
Test method for water vapor content of natural gas using—Electronic moisture analyzers |
$110.00 |
via email in 1~3 business day |
superseded,2019-4-1,2012-6-1 |
|
| GB/T 27896-2018 |
Test method for water vapor content of natural gas—Electronic moisture analyzers |
$105.00 |
via email in 1~3 business day |
valid,,2019-4-1 |
|
| GB/T 28766-2012 |
Natural gas - Performance evaluation for on-line analytical systems |
$210.00 |
via email in 1~3 business day |
abolished2019-04-01,2019-4-1,2013-3-1 |
|
| GB/T 28766-2018 |
Natural gas—Performance evaluation for analytical systems |
$430.00 |
via email in 1~5 business day |
valid,,2019-4-1 |
|
| GB/T 28794.5-2012 |
Natural gas at a certain uncertainty by gas chromatography components -- Part 5: laboratory and process systems using three columns Determination of nitrogen, carbon dioxide and C1 to C5 and C6 + hydrocarbons |
|
via email in 1~3 business day |
valid,,2013-3-1 |
|
| GB/T 30490-2014 |
The Method for Automatic Sampling of Natural Gas |
$240.00 |
via email in 1~3 business day |
valid,,2014-6-1 |
|
| GB/T 30491.1-2014 |
Natural Gas - Calculation of Thermodynamic Properties - Part 1: Gas Phase Properties for Transmission and Distribution Applications |
$660.00 |
via email in 1~8 business day |
valid,,2014-6-1 |
|
| GB/T 30491.2-2024 |
Natural gas—Calculation of thermodynamic properties—Part 2:Single-phase properties (gas，liquid，and dense fluid) for extended ranges of application |
$810.00 |
via email in 1~5 business day |
valid,,2024-7-1 |
|
| GB/T 30492-2014 |
Natural Gas - Gas Chromatographic Requirements for Hydrocarbon Dewpoint Calculation |
$420.00 |
via email in 1~5 business day |
valid,,2014-6-1 |
|
| GB/T 31253-2014 |
Natural gas―Validation for gaseous reference materials―Direct measurement of calorific value and density |
$250.00 |
via email in 1~3 business day |
valid,,2015-5-1 |
|
| GB/T 32865-2016 |
Dense sandstone gas - Technical requirements and test methods |
$100.00 |
via email in 1~3 business day |
valid,,2017-3-1 |
|
| GB/T 33440-2021 |
General requirements for interchangeability of natural gas |
$105.00 |
via email in 1~3 business day |
valid,,2022-7-1 |
|
| GB/T 33754-2017 |
Energy consumption test and calculation methodfor gas field production system |
$310.00 |
via email in 1~5 business day |
valid,,2017-12-1 |
|
| GB/T 34162-2017 |
Natural gas--Determination of arsenic content--Potassium permanganate sample method |
$160.00 |
via email in 1~3 business day |
valid,,2018-4-1 |
|
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* Related standard quantity: * Page quantity: *
Current: * First
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[1][2][3][4][5][6][7][8][9]
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