GB/T 18612-2011 (English Version) PDF

Standard No.: GB/T 18612-2011
Language: Chinese, Available in English version
Release Date: 2011
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 18612-2011
Replace: GB/T 18612-2001

Scope: WARNING: Personnel using this standard should have practical experience in formal laboratory work. This standard does not address all possible safety issues. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in the relevant national laws and regulations. This standard specifies two methods for determining the organic chlorine content of crude oil. Includes Method A - Sodium Biphenyl Reduction Potential Titration and Method B - Combustion Oxidation Microcoulometry. This standard applies to the determination of crude oil with an organic chlorine content greater than 1 μg/g. Among them, method B is not applicable to crude oil with total sulfur content greater than 10,000 times the organic chlorine content.

GB/T 18612-2011 Referenced Document

GB/T 4756 Method for manual sampling of petroleum liquids*， 2015-12-31 Update
GB/T 6536 Standard test method for distillation of petroleum products at atmospheric perssure
GB/T 6682 Water for analytical laboratory use.Specification and test methods
SY/T 5317 Petroleum liquids. automatic pipeline sampling

2011 GB/T 18612-2011 Determination of organic chloride content in crude oil
2001 GB/T 18612-2001 Determination of organic chloride content in crude oil by combustion and microcoulometry