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, e tsejoang hape 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 sesupo se felletseng bakeng sa qeto ea barium, cadmium, indium, magnesium, manganese, calcium, lead, scandium, strontium, zinki, zirconium, joalo-joalo. e boetse e sebelisoa e le sesupo sa chromium Chemicalbook black T indicator.Ha re lokisa chrome black T indicator ho latela sanitary Code for Drinking Water 2001, re fumane hore ho 9.1.3.6, ke 95% feela ea ethanol e ileng ea sebelisoa ho qhaqha letšoao la T chrome le ho le hlapolla ho 100ml, e le hore letšoao le fumanoeng. e ne e le bopherese bo bokhubelu bo lefifi le sampole ea metsi le tharollo ea netefatso ea metsi a hloekileng ka ho latellana, 'me' mala oa ntlha ea ho qetela ea titration o ne o ke ke oa fetoloa.

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 holimo, boea le mefuta eohle ea masela a boea, a ka boela a sebelisoa bakeng sa ho daea nylon.