1. Solubility: I le vai,Nigrosine Blackfaia se vaifofo bluish-lanu violē, faʻaalia lelei solubility, lea e mafai ai ona fegalegaleai ma hydroxyl po o vaega amino i fiber mea, ma ausia ai le valivali.Nigrosine Black e solu i le ethanol, fa'aalia se lanu lanumoana, ma i totonu o le sulfuric acid, e foliga mai fo'i lanumoana;i luga o le fa'afefeteina, e suia i le lanu viole ma se fa'afefete.Nigrosine Black e toetoe lava a le mafai ona solu i le ether, acetone, benzene, chloroform, petroleum ether, ma le paraffini vai.
2. Teuina:Nigrosine Blacke tatau ona taofia mai le faʻafesoʻotaʻi ma vailaʻau faʻamaʻi i le taimi o le faʻaaogaina.Pe a teu, ia mautinoa o loʻo faʻamaufaʻailogaina le pusa teu ma teu i se nofoaga malulu ma mago.
Fa'amatalaga |
Igoa Oloa | Nigrosine Black Granular |
CINo. | Acid Black 2 (50420) |
Fa'aaliga | Uuliuli Malamalama Fa'amalama |
Paolo | E tutusa ma Standard |
Malosi | 100 % |
Susū (%) | ≤6 |
Pefu (%) | ≤1.7 |
Anapogi |
Malamalama | 5~6 |
Fasimoli | 4~5 |
olo | mago | 5 |
| Susū | - |