GB/T 34101-2017 in English

1. Standard Overview

GB/T 34101—2017 "Determination of Hydrogen Sulfide in Fuel Oil - Rapid Liquid Phase Extraction Method" specifies the method for determining hydrogen sulfide in fuel oil by rapid liquid phase extraction, which is applicable to fuel oil with a kinematic viscosity of no more than 3000mm²/s, including marine residual fuel, distillate fuel and petroleum blending component oil.

2. Method Summary

A known mass of sample is injected into a heated test tube containing a diluted base oil, and hydrogen sulfide gas is extracted by air bubbling. Method A uses a gas phase processor cooling filter box to capture hydrogen sulfide, while method B omits this step and directly determines.

3. Main instruments and equipment

Note: All instruments need to be calibrated and maintained regularly according to the manufacturer's instructions.

4. Calibration and Precision

The precision data of Methods A and B come from repeatability and reproducibility studies in different laboratories:

5. Implementation Suggestions

Laboratories should:

• Choose Method A or B according to the nature of the sample
• Calibrate the instrument regularly to ensure accuracy
• Properly store and handle reagents and materials
• Ensure that operators receive adequate training

6. Calculation and presentation of results

The hydrogen sulfide content is calculated according to formula (1):

X = (A × M) / m

Wherein, X is the hydrogen sulfide content (mg/kg), A is the integral area (mV·s), M is the calibration constant (μg/mV·s), and m is the mass of the sample (g).

7. Precautions

Hydrogen sulfide is a toxic and flammable gas. Operators should wear protective equipment and conduct experiments in a fume hood.