1. ASTM D6470, Standard Test Method for Salt in Crude Oils (Potentiometric Method);ASTM International,2004
2. ASTM D4377, Standard Test Method for Karl Fischer in Crude Oil;ASTM International,2006
3. ASTM D4294, Standard Test Method for Sulfur in Petroleum and Petroleum Products by Energy Dispersive X-ray Fluorescence Spectrometry;ASTM International,2010
4. ASTM D5853, Standard Test Method for Pour Point of Crude Oils;ASTM International,2011
5. ASTM D4294, Standard Test Method for Acid Number of Petroleum Products by Potentiometric Titration;ASTM International,2011