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GB/T 27893-2011Natrual gas - Determination of particles content - Gravimetric method (English PDF)

天然气中颗粒物含量的测定 称量法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 30, 2011

Implementation date

June 1, 2012

Scope

GB/T 27893-2011 is the English-translated version of 天然气中颗粒物含量的测定 称量法.

GB/T 27893-2011 is the Chinese standard "Natrual gas - Determination of particles content - Gravimetric method". Its scope clause reads: This standard specifies the method for the determination of particulate matter content of natural gas by the filter weighing method.

This standard applies to the determination of the content of particulate matter in the gas, measured pressure of 0.1MPa ~ 6MPa, measuring range. 0.1mg/m3 ~ 100mg/m3.

If the over-sampling filter trap and capture system can withstand higher pressure, the pressure measurement may be appropriate to increase Its corresponding pressure.

This standard does not address all of the safety issues related to its application. Before using this standard, the user has the responsibility to develop appropriate safety and Protective measures, and clarify the scope of its qualified.

Its clauses include terms and definitions; test principle; apparatus and materials.

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Document preview — GB/T 27893-2011

National Standard of the People's Republic of China

ICS
75.060
Classification
E 24

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • 1 Scope
  • 2 Normative references
  • 3 Terms and Definitions
  • 4 Test principle
  • 5 Apparatus and materials

1 Scope

This standard specifies the method for the determination of particulate matter content of natural gas by the filter weighing method.

This standard applies to the determination of the content of particulate matter in the gas, measured pressure of 0.1MPa ~ 6MPa, measuring range. 0.1mg/m3 ~

100mg/m3. If the over-sampling filter trap and capture system can withstand higher pressure, the pressure measurement may be appropriate to increase

Its corresponding pressure.

This standard does not address all of the safety issues related to its application. Before using this standard, the user has the responsibility to develop appropriate safety and

Protective measures, and clarify the scope of its qualified.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 13609 Gas sampling guidelines (GB/T 13609-1999, eqv ISO 10715.1997)

3 Terms and Definitions

The following terms and definitions apply to this document.

Particulate matter particles

Removing the water adhering solid particles larger than 0.5µm, including particulate matter adsorbed dried evaporates without a trace

Points are treated as particles.

4 Test principle

A volume of natural gas is retained by the filter constant weight of particulate matter on the filter, after drying weighed according particulate mass and pass

The volume of natural gas over the calculated particle content, in units of mg/m3.

5 Apparatus and materials

5.1 Sampling probe

in Figure 1, with an outer diameter of 6mm ~ 10mm stainless steel pipe production, processing into a tapered outer edge.

5.2 Sampling pipe

stainless steel tube, an outer diameter of not less than 6mm, from the sampling probe to trap sampling conduit as short as possible, generally should not exceed

Over 3m.

5.3 Particulate Trap

sulfur, working pressure 6MPa or higher, for trapping particulate matter in the line pressure. Membrane. small aperture

At 0.5µm.

5.4 Dry Gas Meter

Dividing the value of 2L, indication error ± 3%.

5.5 Analytical balance

maximum load 200g, a sense of the amount of 0.1mg.

5.6 Thermometer

Measuring range 0 °C ~ 50 °C, dividing the value of 0.5 °C.

5.7 Atmospheric pressure gauge

measuring range 80kPa ~ 106kPa, dividing the value of 0.1kPa.

GB/T 22724-2022 | GB/T 20368-2021 | GB/T 26978-2021 | GB/T 27894.8-2026 | GB/T 27894.7-2025 | GB/T 27894.3-2023 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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