• 12.45 pH buffer solution to use with meters that have 0.001 resolution for more accurate readings
• Labeled with pH vs. temperature tables for accurate calibration reference
• Standardized against National Institute of Standards and Technology (NIST)-traceable references for quality control
• Bottle labeled with the name and Chemical Abstracts Service (CAS) number for all ingredients for safety and to conform to "Right-to-Know" requirements
• One-pint (550-mL) freshness-dated bottle for ease of use