Total Acid Number (TAN) Standards

Paragon Scientific’s ISO 17025 & ISO 17034 Acid Number (AN) 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.   Part No.   Test Method  (mg KOH/g)   Pack Size   TAN001   ASTM D664 Method A   0.11   125 g   TAN001/3   ASTM D664 Method A   0.11   3 x 125 g   TAN005   ASTM D664 Method A   0.51   125 g   TAN005/3   ASTM D664 Method A   0.51   3 x 125 g   TAN010   ASTM D664 Method A   1.03   125 g   TAN010/3   ASTM D664 Method A   1.03   3 x 125 g   TAN015   ASTM D664 Method A   1.53   125 g   TAN015/3   ASTM D664 Method A   1.53   3 x 125 g   TAN020   ASTM D664 Method A   2.05   50 g   TAN020/3   ASTM D664 Method A   2.05   3 x 50 g   TAN025   ASTM D664 Method A   2.44   50 g   TAN025/3   ASTM D664 Method A   2.44   3 x 50 g   TAN030   ASTM D664 Method