GB/T 33647-2017: Determination of Silicon Content in Motor Gasoline - Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES)

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Scope

This Standard specifies the test method of adopting the inductively coupled plasma
optical emission spectrometry (ICP-OES) to determine the silicon content in motor
gasoline.
This Standard is applicable to determine the silicon content of 1.0mg/kg ~ 50.0mg/kg
in the motor gasoline (the volume fraction of oxygen-containing compounds shall not
exceed 15%), such as motor gasoline containing methyl tert-butyl ether, motor
methanol gasoline (M15) and motor ethanol gasoline (E10). For the motor gasoline
sample with silicon content higher than 50.0mg/kg, it can be diluted by the isooctane
with higher proportion, then determine according to this Standard method; but its
precision has not been statistics yet.
When testing according to this Standard, some elements in the motor gasoline like
sulfur, lead, iron, manganese, phosphorus and chlorine shall not interfere the
determination results of the silicon content.

Basic Data

Standard ID	GB/T 33647-2017 (GB/T33647-2017)
Description (Translated English)	Determination of Silicon Content in Motor Gasoline - Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES)
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	E30
Classification of International Standard	75.160.20
Word Count Estimation	9,956
Date of Issue	2017-05-12
Date of Implementation	2017-12-01
Quoted Standard	GB/T 4756; GB/T 17476
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 a test method for the determination of silicon content in automotive gasoline using an inductively coupled plasma emission spectrometer (ICP-OES). This standard applies to the determination of silica content of 1.0 mg/kg ~ 50.0 mg/kg of vehicle gasoline (oxygen content of the volume fraction of not more than 15%), such as methyl tert-butyl ether vehicle gasoline, vehicle methanol gasoline (M15) and vehicle ethanol gasoline (E10). For automotive gasoline samples with a silicon content above 50.0 mg/kg can be diluted by a higher proportion of isooctane and determined according to this standard method, but its precision is not yet counted. When used in this standard, certain elements such as sulfur, lead, iron, manganese, phosphorus and chlorine in vehicle gasoline do not interfere with the results of silicon measurement.