Eriochrome Black T CAS 1787-61-7

CAS:1787-61-7

Foromo ea molek'hule:Setšoantšo sa C20H12N3NaO7S

Boima ba Molek'hule:461.38

EINECS:217-250-3

Mantsoe a tšoanang:1-naphthalenesulfonicacid, 3-hydroxy-4- ((1-hydroxy-2-naphthalenyl) azo) -7-nitro; 1-naphthalenesulfonicacid,3-hydroxy-4-[(1-hydroxy-2-naphthalenyl) azo] -7-nitro; 1-NaphthalenesulfonChemicalbookicacid,3-hydroxy-4-[(1-hydroxy-2-naphthalenyl)azo] -7-nitro-,monosodiumsalt

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Eriochrome Black T CAS 1787-61-7 ke eng?

Eriochrome Black T indicator, eo hape e tsejoang e le mordye black 11, alias Elai Chrome black T indicator, lebitso la saense 1-(1-hydroxy-2-naphthol azo) -6-nitro-2-naphthol - 4-sulfonate sodium letsoai, ke pontšo e pharaletseng bakeng sa boikemisetso ba barium, cadmium, indium, calcium, magnesium, magnesium, lead, zinganese, manganese zirconium, joalo-joalo Qetello ea boima ba kakaretso ea sampole ea metsi (kakaretso ea palo ea calcium le magnesium ion) e boetse e sebelisoa e le sesupo sa chromium Chemicalbook black T indicator. Ha re lokisetsa chrome e ntšo T indicator ho ea ka sanitary Code for Drinking Water 2001, re fumane hore ka 9.1.3.6, ke 95% feela ea ethanol e ileng ea sebelisoa ho qhibiliha letšoao la T chrome le ho le hlapolla ho 100ml, e le hore letšoao le fumanoeng le ne le le pherese e pherese e lefifi ka sampuli ea metsi 'me sebaka sa ho netefatsa metsi se ke keng sa fetoha.

Tlhaloso

Ntho	Tlhaloso
PH	3.7 (10g/l, H2O, 20℃)
Index ea mebala	14645
Acidity coefficient (pKa)	pK1:6.3;pK2:11.55 (25°C)
Botenya	1.109 g/mL ho 25 °C
Merck	14,3667
BRN	4121162

Kopo

Eriochrome Black T e sebelisoa haholo bakeng sa ho daea le ho hatisa masela a boea, e ka boela ea sebelisoa bakeng sa 'mala oa sefate sa silika, nylon le masela a mang, e ka boela ea sebelisoa ho daea boea, lihlahisoa tse hloekileng li ka sebelisoa e le pontšo. Eriochrome Black T e ka sebelisoa ho etsa qeto ea matšoao a boima ba metsi, matšoao a rarahaneng, boikemisetso ba khalsiamo, magnesium, barium, indium, manganese, lead, scandium, strontium, zinki le zirconium, bakeng sa ho daea ka holimo, boea le mefuta eohle ea masela a boea, e ka sebelisoa hape bakeng sa ho daea nylon.