General Information:

AOCS Tintometer colour reference standards are manufactured and certified by The Tintometer Limited. These colour standards have been manufactured and tested under the control of Tintometer's ISO 9001 Quality Management System. AOCS-Tintometer colour scale used as a standard by oil and fats refineries, rendering plants and companies trading or associated with the American edible oils and fats industry.
The AOCS-Tintometer® Colour Scale is a special red and yellow version of the Lovibond RYBN scale using the AOCS-Tintometer Red Scale. It is a modified red and yellow version of the Lovibond® RYBN Colour scale used for fats, oils and derivatives. 

• Typically used in, but not limited to, the analysis by oil and fats refineries, rendering plants and companies trading or associated with the American edible oils and fats industry
• Supplied in tamper-evident glass packaging, providing assurance of sample integrity
• Available as a single 500 mL pack
• Manufactured in the United Kingdom
• 12 month shelf life

Downloads:
ARO Scientific SDS-0001 Total Acid Number5.pdf