Standard test method for determination of acidity of light petroleum products
Warning: This standard involves some dangerous materials, operations and equipment, but it does not purport to address all of the safety concerns, if any, associated with its use. Therefore, it is the responsibility of the users of this standard to establish appropriate safety and protection measures and determine the applicability of regulatory limitations prior to use.
1 Scope
This standard specifies the test method for determination of acidity of light petroleum products.
This standard is applicable to light petroleum products such as gasoline, naphtha, kerosene, diesel and jet fuel.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 622 Chemical reagent - Hydrochloric acid
GB/T 4756 Method for manual sampling of petroleum liquids
GB/T 27867 Petroleum liquid - Automatic pipeline sampling
SH/T 0079-1991 Preparation method of reagent solution for petroleum product test
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
acidity
mass (in mg) of potassium hydroxide required to neutralize 100mL light petroleum products, expressed in mg/100mL
4 Method summary
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Method summary
5 Apparatus
6 Reagents and materials
7 Sampling
8 Preparation before test
9 Test procedure
10 Calculation
11 Expression and report of results
12 Precision
