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Significance and Use
Representative samples of petroleum and petroleum products are required for the determination of chemical and physical properties used to establish standard volumes, prices, and compliance with commercial and regulatory specifications. The treatment of samples from the time of collection until they are analyzed requires care and effort to maintain their compositional integrity.
1.1 This practice covers the handling, mixing, and conditioning procedures that are required to ensure that a representative sample of the liquid petroleum or petroleum product is delivered from the primary sample container/receiver into the analytical test apparatus or into intermediate containers.
1.2 Annex A2 covers acceptance test criteria for power mixer and sample container combinations, while Annex A3 and Annex A4 detail acceptance tests for mixing systems. Appendix X1 is a guide for selecting sample containers.
1.3 For sampling procedures, refer to Practices D4057 (API MPMS Chapter 8.1) and D4177 (API MPMS Chapter 8.2). Practice D5842 (API MPMS Chapter 8.4) covers sampling and handling of light fuels for volatility measurement.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D4057 Practice for Manual Sampling of Petroleum and Petroleum Products
D4177 Practice for Automatic Sampling of Petroleum and Petroleum Products
D4306 Practice for Aviation Fuel Sample Containers for Tests Affected by Trace Contamination
D4928 Test Method for Water in Crude Oils by Coulometric Karl Fischer Titration
D5842 Practice for Sampling and Handling of Fuels for Volatility Measurement
ICS Number Code 19.020 (Test conditions and procedures in general); 75.080 (Petroleum products in general)
UNSPSC Code 15101500(Petroleum and distillates)