Eriochrome Black T CAS 1787-61-7
Ihe ngosi Eriochrome Black T, nke a makwaara dịka mordye black 11, nke a na-akpọkwa Elai Chrome black T indicator, aha sayensị bụ 1-(1-hydroxy-2-naphthol azo) -6-nitro-2-naphthol - 4-sulfonate sodium salt, bụ ihe ngosi zuru oke maka mkpebi nke barium, cadmium, indium, magnesium, manganese, calcium, lead, scandium, strontium, zinc, zirconium, wdg. A na-ejikwa mkpebi nke ike zuru oke nke ihe nlele mmiri (mkpokọta calcium na magnesium ions) dị ka ihe ngosi nke ihe ngosi chromium Chemicalbook black T. Mgbe anyị kwadebere ihe ngosi chrome black T dịka Koodu Sanyi maka Mmiri Mmanya 2001 si dị, anyị chọpụtara na na 9.1.3.6, naanị ethanol 95% ka ejiri gbazee ihe ngosi T ojii chrome ma gwakọta ya ruo 100ml, nke mere na ihe ngosi enwetara bụ ọbara ọbara gbara ọchịchịrị yana ihe nlele mmiri na ihe ngwọta nkwenye mmiri dị ọcha n'otu n'otu, enweghịkwa ike ịgbanwe agba nke njedebe titration.
| ihe | Nkọwapụta |
| PH | 3.7 (10g/l, H2O, 20℃) |
| Ndepụta agba | 14645 |
| Ọnụọgụ asịd (pKa) | pK1:6.3;pK2:11.55 (25°C) |
| Njupụta | 1.109 g/mL na 25 °C |
| Merck | 14,3667 |
| BRN | 4121162 |
A na-ejikarị Eriochrome Black T agba ákwà ajị anụ agba ma bipụta ya, a pụkwara iji ya agba ákwà silk, naịlọn na ákwà ndị ọzọ, a pụkwara iji ya agba ajị anụ agba, a pụkwara iji ya mee ihe dị ọcha dị ka ihe ngosi. Enwere ike iji Eriochrome Black T mee ihe maka ịchọpụta ihe ndị na-egosi ike mmiri, ihe ndị na-egosi mgbagwoju anya, mkpebi nke calcium, magnesium, barium, indium, manganese, lead, scandium, strontium, zinc na zirconium, maka ịcha elu, ajị anụ na ụdị ákwà ajị anụ niile dịkwa mma maka ịcha naịlọn agba.
25kg kwa drum, 9tons/20'container
25kgs/akpa, 20tons/20'akpa
Eriochrome Black T CAS 1787-61-7
Eriochrome Black T CAS 1787-61-7
