Cole Parmer Oakton Traceable, pH Standard Buffer with Calibration, Clear, pH 4, 500 mL; 1/EA
Manufacturer: Cole Parmer 0065100
Oakton pH buffers are compared and traceable to NIST Standard Reference Materials. NIST-traceable reference materials include a calibration report from an ISO 17034 and ISO 17025 accredited laboratory. Calibrate at pH 4 with color-coded and colorless buffers available in a 500 mL bottle.