GB/T 26983-2011 English PDF

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GB/T 26983-2011: Determination of sulfureted hydrogen, methyl mercaptan and ethyl mercaptan in crude oil
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 26983-2011	229	Add to Cart	3 days	Determination of sulfureted hydrogen, methyl mercaptan and ethyl mercaptan in crude oil	Valid

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Basic data

Standard ID: GB/T 26983-2011 (GB/T26983-2011)
Description (Translated English): Determination of sulfureted hydrogen, methyl mercaptan and ethyl mercaptan in crude oil
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: E21
Classification of International Standard: 75.040
Word Count Estimation: 10,156
Date of Issue: 2011-09-29
Date of Implementation: 2012-01-01
Quoted Standard: GB/T 4756; GB/T 4946; SY/T 5317
Adopted Standard: ROCT P50802-1995, MOD
Regulation (derived from): National Standards Bulletin 2011 No. 14
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the determination of crude oil by gas chromatography hydrogen sulfide, methyl mercaptan and ethyl mercaptan content approach. This standard applies to the determination of hydrogen sulfide, methyl mercaptan and ethyl mercaptan content of 2. 0mg/kg ~ 200mg/kg range stability of crude oil.

GB/T 26983-2011: Determination of sulfureted hydrogen, methyl mercaptan and ethyl mercaptan in crude oil

---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.
Determination of sulfureted hydrogen, methyl mercaptan and ethyl mercaptan in crude oil ICS 75.040 E21 National Standards of People's Republic of China Determination of crude hydrogen sulfide, methyl mercaptan and ethyl mercaptan Determinationofsulfuretedhydrogen, methylmercaptanand Issued on. 2011-09-29 2012-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard uses redrafted law revision adopted ГОСТP50802-1995 "crude hydrogen sulfide, methyl mercaptan and ethyl mercaptan Determination Law "(Russian). This standard ГОСТP50802-1995 compared with more adjustments in the structure, listed in Appendix B of this standard and ГОСТP50802- 1995 Differences reg number control list. Technical differences exist compared to the present standard and ГОСТP50802-1995, these differences has been given by the corresponding technical appendix C List of differences and the reasons. This standard also made the following editorial changes. --- Increased Chapter 10, "Quality Assurance and Control"; --- Increased Chapter 11 "test report"; --- Increase the informative Appendix A; --- Increase the informative Appendix B; --- Increase the informative Appendix C. The standard proposed by China National Petroleum Corporation. The standard by the China Petroleum and Natural Gas Standardization Technical Committee (SAC/TC355). This standard was drafted. Daqing Oilfield Engineering Co., Ltd. China Petrochemical Research Institute of Petroleum, China Petroleum & Chemical Corporation Northwest Oilfield Branch Exploration and Development Institute. The main drafters of this standard. Tan for the group, Yang Xuejun, Yang Tan, who Fei, Li Nan, Wang Guilin. Determination of crude hydrogen sulfide, methyl mercaptan and ethyl mercaptan Warning --- personnel should use this standard practice regular laboratory work. This standard does not point out all possible security asked question. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.

1 Scope

This standard specifies the method for determining gas chromatograph crude hydrogen sulfide, methyl mercaptan and ethyl mercaptan content. This standard applies to the determination of hydrogen sulfide, methyl mercaptan and ethyl mercaptan content in crude oil stabilized 2.0mg/kg ~ 200mg/kg range. By sulfur-free solvent dilution, also applicable to the determination of sulfide content in crude oil higher.

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 4756 petroleum liquids hand sampling method (GB/T 4576-1998, eqv ISO 3170. 1988) GB/T 4946 GC term (GB/T 4946-2008) SY/T 5317 petroleum liquids pipeline automatic sampling (SY/T 5317-2006, ISO 3171. 1988, IDT) Principle 3 The fractionation column with the sample, hydrogen sulfide was measured by a flame photometric detector (FPD) or other sulfur detector, and methyl mercaptan Response ethyl mercaptan, and then quantified by external standard calculation.

4 Reagents and materials

4.1 helium or nitrogen. purity of greater than 99.99%; 4.2 Hydrogen. purity of greater than 99.99%; 4.3 Air. drying; 4.4 Standard sulfide gas mixture. certified calibration gas. Formulated with an inert gas, wherein the hydrogen sulfide, methyl mercaptan and ethyl mercaptan content of each component of The difference is not more than 10 times; Warning --- highly toxic hydrogen sulfide, formulation and use should pay attention to safety 4.5 filter paper; 4.6 glass cotton. at 500 ℃ temperature 3h.

5 Instruments

5.1 micro syringe. 1μL, precision 0.01μL; 5μL, precision 0.1μL; 10μL, precision 0.1μL. 5.2 tight syringe. 1mL, accuracy 0.02mL; 2mL, accuracy 0.05mL. ......

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