This method covers determination of water in crude petroleum@ tars@ and products derived from these materials. The specific products listed in 7.1.1 represent the range of materials considered in developing the details of this method. For bituminous emulsions refere to ASTM Method D 244@ Testing Emulsified Asphalts.2 References to this method appear in numerious standards pertaining to materials other than those listed in 7.1.1. Note 1-With some types of oil@ satisfactory results may be obtained with ASTM Method D 1796-API 2548-IP 75@ Test for Water and Sediment in Crude Oils and Fuel Oils by Centrifuge.3 2 Annual Book of ASTM Standards@ Part 11. 3 Annual Book of ASTM Standards@ Part 17.