| Organic compounds | ΔI | Organic compounds | ΔI |
| Pyrogallic acid | 11,467 | L-cysteine | 8330 |
| L-epinephrine | 2457 | L-histidine | 43 |
| Gallic acid | 425 | L-asparagine | −513 |
| Riboflavin | 355 | L-tryptophan | −466 |
| Hydroquinone | −3231 | L-glycine | −307 |
| Pyrocatechol | −3209 | L-tyrosine | −222 |
| L-dopamine | −3202 | L-iso-leucine | −216 |
| p-t-butylpyrocatechol | −3159 | L-arginine | −147 |
| L-ascorbic acid | −2800 | L-proline | −124 |
| Resorcinol | −2742 | L-cystine | −112 |
| p-aminophenol | −1580 | L-threonine | −110 |
| 5-sulfosalicylic acid | −1547 | L-leucine | −92 |
| Ethyl naphthol | −1097 | L-aspartic acid | −81 |
| Aniline | −917 | L-valine | −70 |
| p-aminobenzoic acid | −567 | L-phenylalanine | −35 |
| o-aminobenzoic acid | −538 | L-serine | −6 |
| p-nitroaniline | −447 | L-methionine | −2 |
| o-methoxyphenol | −404 | Benzoic acid | −317 |
| p-nitrylbenzoic acid | −377 | 2,4-dihydroxybenzoic acid | −315 |
| 3,5-dinitrylbenzoic acid | −345 | Salicylic acid | −186 |
| Sulfanilic acid | −339 | Acetanilide | −99 |