Eriochrome Black T CAS 1787-61-7
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.
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 |
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.
25kgs/drum, 9tons/20'container
25kgs/bag, 20tons/20'container
Eriochrome Black T CAS 1787-61-7
Eriochrome Black T CAS 1787-61-7