1. ASTM (2001) D 4928–00 standard method for water in crude oils by coulometric Karl Fischer titration, Annu book, ASTM Stand 5.03:1–5
2. ASTM (1996) E 203–96 standard method for water using volumetric Karl Fischer titration, Annu Book, ASTM Stand 15.05:354–361
3. ASTM (2002) D 4007–81 (Reapproved 1995) standard method for water and sediment in crude oil by the centrifuge method, Annu Book, ASTM Stand 5.02:667–669
4. ASTM (2002) D 4006–81 (Reapproved 2002) standard method for water in crude oil by distillation, Annu Book, ASTM Stand 5.02:657–666
5. ASTM (2002) D 4377–00 standard method for water in crude oils by potentiometric Karl Fischer titration, Annu Book, ASTM Stand 5.02:899–904