o-Cresolphthalein Complexone CAS 2411-89-4
O-Cresolphthalein Complexone, wanda kuma aka sani da o-toluene phenolphthalein (C22H18O4mol346.38), fari ne ko rawaya foda wanda ke da sauƙin narkewa a cikin ethanol da ether; Rashin narkewa a cikin ruwa, mai narkewa a cikin alkali mai narkewa, launin shuɗi, pH 8.2-9.8 (launi daga mara launi zuwa ja); Matsakaicin kololuwar sha shine 566 (381) mm.
| Abu | Ƙayyadaddun bayanai |
| max | 575nm, 377nm |
| Yawan yawa | 1.515 ± 0.06 g/cm3 (An annabta) |
| Wurin narkewa | 181-185 ° C (dare) (lit.) |
| Yanayin ajiya | Adana a ƙasa + 30 ° C. |
| Tsafta | 98% pKa |
| pKa | 1.47, 8.24 (a 25 ℃) |
O-Cresolphthalain Complexone alama ce ta hadaddun titration na magnesium, calcium, strontium, barium, da SO42-; Reagent don ƙayyadadden ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar cuta
Yawancin lokaci cushe a 25kg / drum, kuma kuma za a iya yi musamman kunshin.
o-Cresolphthalein Complexone CAS 2411-89-4
o-Cresolphthalein Complexone CAS 2411-89-4
