Total Acid Number (TAN) and Total Base Number (TBN) standards are intended for use in the determination of Acid Number and Base Number in petroleum products. With the CONOSTAN® family of TAN standards, titration curves have more prominent inflection points and higher pH differentials to provide a lower uncertainty for better calibration of titrators and higher precision in test methods. Each CONOSTAN® TBN standard incorporates unique chemistry to provide a strong levering influence on the titration curve creating dramatic and easy to determine inflection points. All standards are produced and certified as appropriate to a laboratory quality management system that is accredited to ISO 17025 and ISO 17034.
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