GB/T 28727-2025 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 28727-2025	RFQ	ASK	3 days	Gas analysis - Determination of the contents of trace sulfur compounds in gases - Gas chromatography with flame photometric detector	Valid
GB/T 28727-2012	259	Add to Cart	3 days	Gas analysis -- Determination of sulfides -- Gas chromatograph with flame photometric detector	Valid

Basic data

Standard ID: GB/T 28727-2025 (GB/T28727-2025)
Description (Translated English): Gas analysis - Determination of the contents of trace sulfur compounds in gases - Gas chromatography with flame photometric detector
Sector / Industry: National Standard (Recommended)
Date of Implementation: 2026-03-01
Older Standard (superseded by this standard): GB/T 28727-2012

GB/T 28727-2012: Gas analysis -- Determination of sulfides -- Gas chromatograph with flame photometric detector

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS71.040.40 G86 National Standards of People's Republic of China Determination of sulfide gas analysis Flame photometric gas chromatography Issued on. 2013-02-01 2012-06-27 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard rule according to GB/T 1.1-2009 given draft. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee on Gas Gas Analysis Branch (SAC/TC206/SC1) centralized. This standard was drafted. Southwest Chemical Industry Research and Design Institute, Shanghai, love Chromatography Technology Co., Ltd. Xian Ding Institute of Science and Technology Co., Ltd. the company. The main drafters of this standard. Qinzhong Lin, Jiang Ying, Fang Hua, Lijian Hao, Zhuang Hongtao, Hedao Shan, Chen Yali, Shizhao Qi. Determination of sulfide gas analysis Flame photometric gas chromatography

1 Scope

This standard specifies the use with flame photometric detector (FPD) of the gas chromatograph gas total sulfur, total sulfur and organic form of sulfur method. This standard applies to gas total sulfur hydrogen, oxygen, nitrogen, carbon dioxide, methanol synthesis gas, ammonia synthesis gas, dry gas, coke oven gas, Determination of total sulfur in the form of organic sulfur and total sulfur measurement range (in terms of sulfur) was 0.07mg/m3 ~ 2mg/m3, forms of sulfur measurement range (in Hydrogen sulfide sulfur meter) of 0.07mg/m3 ~ 7mg/m3.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 3723 Sampling of chemical products for industrial use General Safety GB/T 5275.10 gas analysis dynamic volume Preparation of calibration gas mixtures - Part 10. Permeation GB/T 6681 General sampling gaseous chemical products GB/T 7445 purity, high purity and ultra pure hydrogen GB/T 8979 nitrogen, high purity nitrogen and ultra pure nitrogen JJG700 GC verification procedures

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Dry natural gas drynaturalgas C3 hydrocarbon content above is not more than 0.5% of the natural gas. 3.2 Total sulfur totalsulfur Organic and inorganic sulfur combined. 3.3 Total organic sulfur totalorganicsulfur The sum of the organic sulfur in addition to H2S, COS's. 3.4 Forms of sulfur speciationofsulfur Individual inorganic sulfur and organic sulfur, inorganic sulfur is the main form of H2S, organic sulfur is the main form COS, CS2, R-SH, RSR, C4H4S like. ......

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