Bromocresol Poni CAS 115-40-2
ʻAʻole hiki ke hoʻoheheʻe ʻia ka Bromocresol Purple i ka wai, hiki ke hoʻoheheʻe ʻia i loko o ka ethanol a ʻike ʻia he melemele, hiki ke hoʻoheheʻe ʻia i ka sodium hydroxide dilute a hoʻoheheʻe i ka sodium carbonate solutions a ʻike ʻia ka ʻulaʻula poni, me kahi helu heheʻe o 241-242 ℃. ʻO ka hoʻohana nui ʻana o ka violet bromocresol ma ke ʻano he hōʻailona acid-base a me kahi hōʻailona titration non-aqueous.
| 'ikamu | Hōʻike |
| PH | pH: 5.2~6.8 |
| ʻO ka mānoanoa | 1.6509 (manaʻo) |
| Lae hehee | 240 °C (Dek.) (kumu) |
| kiko uila | 36 °C |
| pKa | 6.21, 6.3, 6.4 (ma 25 ℃) |
| Nā kūlana mālama | E mālama ma +5°C a i +30°C. |
ʻO ka Bromocresol Purple acid-base indicator, hoʻohana ʻia no ka nānā ʻana i ka chromatographic a me ka titration wai ʻole. Ka laulā hoʻololi kala PH: 5.2 (melemele) -6.8 (ʻulaʻula). Hōʻailona adsorption. Kūlana kūloko no ka chromatography waikawa amino. titration paakai kala o thiocyanate. ʻO ka ua o nā protein serum me ka hoʻohana ʻana i ka spectrophotometry.
Hoʻopili pinepine ʻia i ka 25kg / pahu, a hiki ke hana ʻia i ka pōʻai maʻamau.
Bromocresol Poni CAS 115-40-2
Bromocresol Poni CAS 115-40-2
