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 A
3.07
50 g
TAN030/3
ASTM D664 Method A
3.07
3 x 50 g
TAN050
ASTM D664 Method A
4.94
50 g
TAN050/3
ASTM D664 Method A
4.94
3 x 50 g
TAN100
ASTM D664 Method A
10.14
50 g
TAN100/3
ASTM D664 Method A
10.14
3 x 50 g
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