VWR®, Total Acid Number (TAN) standards

Supplier: VWR Chemicals

99343.202EA 0 INR
99343.202 99343.001 99344.202 99344.001 99345.202 99345.001 99346.202 99346.001 99347.154 99347.001 99348.154 99348.001 99349.154 99349.001 99350.154 99350.001 99351.154 99351.001
VWR®, Total Acid Number (TAN) standards
Standards Petroleum Industry Standards

Total Acid Number (TAN) standards are specifically manufactured for the verification of analytical instruments used to determine acid number by potentiometric titration. Each standard is certified in strict accordance with international test method protocols, ASTM D664 / IP 177.


  • Typically used in, but not limited to, the analysis of used oils and lubricants
  • Acid number (AN) tested and certified in accordance with ASTM D664 / IP 177
  • Fully traceable to international standards and low levels of uncertainty achieves maximum accuracy of data
  • Supplied in tamper-evident glass packaging, providing assurance of sample integrity


Certifications: Manufacture and certification is carried out in strict accordance with dual-UKAS accreditations to ISO 17025 and ISO 17034. This dual-accreditation ensures the highest level of accreditation guarantee, and provides the most credible certified data available worldwide.


Caution: The concentration value given in the ordering table below is the nominal concentration for the TAN value - actual batch values are given in the certification documents supplied with the product and also on the label.

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