Eriochrome Black T CAS 1787-61-7
Chizindikiro cha Eriochrome Black T, chomwe chimadziwikanso kuti mordye black 11, chomwe chimatchedwanso Elai Chrome black T indicator, dzina lasayansi 1-(1-hydroxy-2-naphthol azo) -6-nitro-2-naphthol - 4-sulfonate sodium salt, ndi chizindikiro chokwanira chodziwira barium, cadmium, indium, magnesium, manganese, calcium, lead, scandium, strontium, zinc, zirconium, ndi zina zotero. Kudziwira kuuma konse kwa chitsanzo cha madzi (kuchuluka konse kwa calcium ndi magnesium ions) kumagwiritsidwanso ntchito ngati chizindikiro cha chromium Chemicalbook black T indicator. Pamene tinakonza chizindikiro cha chrome black T motsatira malamulo a sanitary Code for Drinking Water 2001, tinapeza kuti mu 9.1.3.6, 95% yokha ya ethanol ndi yomwe inagwiritsidwa ntchito kusungunula chizindikiro cha chrome black T ndikuchichepetsa kufika pa 100ml, kotero kuti chizindikiro chomwe chinapezeka chinali chofiira chakuda chofiirira ndi chitsanzo cha madzi ndi yankho lotsimikizira madzi oyera motsatana, ndipo mtundu wa titration end point sunathe kusinthidwa.
| Chinthu | Kufotokozera |
| PH | 3.7 (10g/l, H2O, 20℃) |
| Chizindikiro cha mtundu | 14645 |
| Kuchuluka kwa asidi (pKa) | pK1:6.3;pK2:11.55 (25°C) |
| Kuchulukana | 1.109 g/mL pa 25 °C |
| Merck | 14,3667 |
| BRN | 4121162 |
Eriochrome Black T imagwiritsidwa ntchito makamaka popaka utoto ndi kusindikiza nsalu za ubweya, ingagwiritsidwenso ntchito pa utoto wa silika, nayiloni ndi nsalu zina, ingagwiritsidwenso ntchito popaka utoto wa ubweya, zinthu zoyera zingagwiritsidwe ntchito ngati chizindikiro. Eriochrome Black T ingagwiritsidwe ntchito pofufuza zizindikiro za kuuma kwa madzi, zizindikiro zovuta, kudziwa calcium, magnesium, barium, indium, manganese, lead, scandium, strontium, zinc ndi zirconium, popaka utoto pamwamba, ubweya ndi mitundu yonse ya nsalu za ubweya, ingagwiritsidwenso ntchito popaka utoto wa nayiloni.
25kgs/ng'oma, matani 9/chidebe cha 20'
25kgs/thumba, matani 20/chidebe cha 20'
Eriochrome Black T CAS 1787-61-7
Eriochrome Black T CAS 1787-61-7
