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Significance and Use
5.1 A knowledge of the water content of petroleum products is important in the refining, purchase, sale, and transfer of products.
5.2 The amount of water as determined by this test method (to the nearest 0.05 or 0.1 volume %, depending on the trap size used) may be used to correct the volume involved in the custody transfer of petroleum products and bituminous materials.
5.3 The allowable amount of water may be specified in contracts.
1.1 This test method covers the determination of water in the range from 0 to 25 % volume in petroleum products, tars, and other bituminous materials by the distillation method.
1.2 The specific products considered during the development of this test method are listed in Table 1. For bituminous emulsions refer to Test Method D244. For crude oils, refer to Test Method D4006 (API MPMS Chapter 10.2).
1.3 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.
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. For specific hazard statements, see Section 6.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D235 Specification for Mineral Spirits (Petroleum Spirits) (Hydrocarbon Dry Cleaning Solvent)
D244 Test Methods and Practices for Emulsified Asphalts
D1796 Test Method for Water and Sediment in Fuel Oils by the Centrifuge Method (Laboratory Procedure) (API MPMS Chapter 10.6)
D4006 Test Method for Water in Crude Oil by Distillation (API MPMS Chapter 10.2)
D4057 Practice for Manual Sampling of Petroleum and Petroleum Products (API MPMS Chapter 8.1)
D4177 Practice for Automatic Sampling of Petroleum and Petroleum Products (API MPMS Chapter 8.2)
D5854 Practice for Mixing and Handling of Liquid Samples of Petroleum and Petroleum Products (API MPMS Chapter 8.3)
E123 Specification for Apparatus for Determination of Water by Distillation
API StandardsMPMSChapter10.2 Determination of Water in Crude Oil by the Distillation Method (ASTM Test Method ) MPMSChapter10.6 Test Method for Water and Sediment in Fuel Oils by the Centrifuge Method (Laboratory Procedure) (ASTM Test Method ) MPMSChapter8.1 Manual Sampling of Petroleum and Petroleum Products (ASTM Practice ) MPMSChapter8.2 Automatic Sampling of Petroleum and Petroleum Products (ASTM Practice ) MPMSChapter8.3 Mixing and Handling of Liquid Samples of Petroleum and Petroleum Products (ASTM Practice )
ICS Number Code 75.140 (Waxes, bituminous materials and other petroleum products)
UNSPSC Code 15101500(Petroleum and distillates); 30121500(Bituminous derivatives)