1 Scope
This part specifies the requirements, test method, inspection rules, packaging, marking, transport, storage, safety and other requirements for petroleum p-xylene.
It is applicable to the petroleum p-xylene that is obtained through petroleum processing, and mainly used as a raw material for the production of chemical products such as polyester.
Molecular formula: C8H10.
Relative molecular mass: 106.17 (as per the international relative atomic mass in 2005).
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this part. For dated references, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest editions apply to this part.
GB/T 1250 Rules for expression and judgement of limiting values
GB/T 2012 Aromatic hydrocarbons - Test method of acid wash
GB/T 3143 Color determination method of liquid chemicals (Hazen unit - Platinum-cobalt scale)
GB/T 3146 Benzene hydrocarbon products - Determination of distillation range
GB/T 6678 General principles for sampling chemical products
GB/T 6680 General rules for sampling liquid chemical products
SH 0164 Petroleum products - Rules in packaging, handling, delivery and acceptance
SH/T 1147 Aromatic hydrocarbons for industrial use - Determination of trace quantities of sulfur - Microcoulometric method
SH/T 1486.2 Petroleum p-xylene - Determination of purity and hydrocarbon impurities - Gas chromatography and external calibration
SH/T 1489 Petroleum p-xylene - Determination of purity and hydrocarbon impurities - Gas chromatography
SH/T 1551 Determination of bromine index of aromatic hydrocarbons - Coulometric titration
SH/T 1767 Determination of bromine index of aromatic hydrocarbons - Electrometric titration
3 Requirements and test methods
The petroleum p-xylene shall meet the requirements of Table 1.
Foreword i
1 Scope
2 Normative references
3 Requirements and test methods
4 Inspection rules
5 Marking, packaging, transport and storage
6 Safety requirements
Annex A (Informative) Comparison between this part and ASTM D5136-07 in clause/subclause number
