2. Referenced Documents

D156 Test Method for Saybolt Color of Petroleum Products (Saybolt Chromometer Method)
D1500 Test Method for ASTM Color of Petroleum Products (ASTM Color Scale)
D2500 Test Method for Cloud Point of Petroleum Products
E284 Terminology of Appearance
E308 Practice for Computing the Colors of Objects by Using the CIE System
D4057 Practice for Manual Sampling of Petroleum and Petroleum Products
IP17 Determination of Colour--Lovibond Tintometer