ʻO-Cresolphthalein Complexone CAS 2411-89-4
ʻO O-Cresolphthalein Complexone, i ʻike ʻia hoʻi ʻo o-toluene phenolphthalein (C22H18O4mol346.38), he pauka keʻokeʻo a melemele paha i maʻalahi ke hoʻoheheʻe ʻia i loko o ka ethanol a me ka ether; Hoʻoheheʻe ʻole ʻia i ka wai, hoʻoheheʻe ʻia i loko o ka alkali dilute, uliuli ke kala, pH 8.2-9.8 (nā kala mai ke kala ʻole a i ka ʻulaʻula); ʻO ka piko o ka absorption kiʻekiʻe loa he 566 (381) mm.
| Mea | Nā kikoʻī |
| λmax | 575nm, 377nm |
| Ka nui o ka paʻa | 1.515±0.06 g/cm3 (Wānana ʻia) |
| Kiko heheʻe | 181-185 °C (dec.)(lit.) |
| Nā kūlana mālama | E mālama ma lalo o +30°C. |
| Maʻemaʻe | 98%pKa |
| pKa | 1.47, 8.24 (ma 25 ℃) |
ʻO O-Cresolphthalain Complexone kahi hōʻailona no ka titration complexometric o ka magnesium, calcium, strontium, barium, a me SO42-; Reagent no ka hoʻoholo ʻana i ka calcium serum, chelating ion chromatography ligand no nā ion metala trace
Hoʻopili pinepine ʻia i loko o 25kg / pahu, a hiki ke hana ʻia kahi pūʻolo i hoʻopilikino ʻia.
ʻO-Cresolphthalein Complexone CAS 2411-89-4
ʻO-Cresolphthalein Complexone CAS 2411-89-4
