| 2918.13.20 | 00 | Potassium bitartrate (Cream of tartar) | kg | Free | | 11% |
| 2918.13.30 | 00 | Potassium sodium tartrate (Rochelle salts) | kg | Free | | 11.5% |
| 2922.21.10 | 00 | 1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid; 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid (Chicago acid); 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid, potassium salt; 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid, sodium salt; 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid, monosodium salt (H acid, monosodium salt); 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid, potassium salt (H acid, monopotassium salt); 4-Amino-3-hydroxy-1-naphthalenesulfonic acid; 6-Amino-1-naphthol-3-sulfonic acid and its salts; and 8-Amino-1-naphthol-5-sulfonic acid and its salts | kg | 5.8% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,L,MA,MX, P,SG) | 15.4¢/kg + 39% |
| 2924.29.23 | 00 | 4-Aminoacetanilide; 2,2'-Oxamidobis[ethyl-3-(3,5-di-tert-butyl- 4-hydroxyphenyl)propionate]; Acetoacetsulfanilic acid, potassium salt; and N-(2,3-Dihydroxypropyl)-5-N-(2,3-dihydroxy- propyl)acetamido-N'-(2-hydroxyethyl)- 2,4,6-triiodoisophthalamide | kg | Free | | 15.4¢/kg + 58% |
| 3104 | | Mineral or chemical fertilizers, potassic: | | | | |
| 3104.20.00 | 00 | Potassium chloride | t | Free | | Free |
| 3104.30.00 | 00 | Potassium sulfate | t | Free | | Free |
| 3105 | | Mineral or chemical fertilizers containing two or three of the fertilizing elements nitrogen, phosphorus and potassium; other fertilizers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg: | | | | |
| 3105.20.00 | 00 | Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus and potassium | t | Free | | Free |
| 3105.60.00 | 00 | Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassium | t | Free | | Free |
| 3105.90.00 | 10 | Potassium nitrate-sodium nitrate mixtures | t | | | |