GB/T 46550.1-2025 Active National standards

GB/T 46550.1-2025 Natural gas—Determination of odorant—Part 1:Determine tetrahydrothiophene and non-sulfur odorant concentration by gas chromatography with photo ionization detector

GB/T 46550.1-2025 Natural gas—Determination of odorant—Part 1:Determine tetrahydrothiophene and non-sulfur odorant concentration by gas chromatography with photo ionization detector

Publish Date: 2025-12-02 Implement Date: 2026-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 46550.1-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Natural gas

ICS Name: Natural gas

Publish Date: 2025-12-02

Implement Date: 2026-07-01

Pages: 12 pages

Scope

This document describes the principle, reagents and materials, instruments, sampling, experimental steps, data processing, precision, and test reports for determining the content of tetrahydrothiophene and sulfur-free odorants in natural gas using gas chromatography with photoionization detection.
This document is suitable for offline, portable on-site, or online continuous detection of tetrahydrothiophene and sulfur-free odorants in natural gas and similar gases, with a measurement range of 1 mg/m3 to 200 mg/m3.

Development Information

Word Count: 11 Thousand words Pages: 12 pages

Same series standard

GB/T 46550.2-2025 Natural gas—Determination of odorant—Part 2:Determination of tetrahydrothiophene by electrochemical sensor

Referenced Standards

GB/T 5274.1-2018 Gas analysis—Preparation of calibration gas mixtures—Part 1:Gravimetric method for class Ⅰ mixtures GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 13609-1999 Natural gas—Sampling guidelines GB/T 13609-2012 Natural gas sampling guidelines GB/T 13609-2017 Natural gas sampling guidelines GB/T 13609-2025 Natural gas—Gas sampling

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