Potassium hydrogen phthalate CAS 877-24-7
Nā kristal keʻokeʻo potassium hydrogen phthalate. ʻO ka nui o ka density he 1.636. Hoʻoheheʻe ʻia ma kahi o 12 mau ʻāpana o ka wai anuanu a me 3 mau ʻāpana o ka wai e paila ana; Hoʻoheheʻe iki ʻia i loko o ka ethanol. ʻO ka pH o kahi hopena wai 0.05M ma 25 ℃ he 4.005. Hoʻoheheʻe ʻia ma 295-300 ℃.
| Mea | Nā kikoʻī |
| Kikowaena paila | 98.5-99.5 ;°C/740 ;mmHg(mālamalama ʻia) |
| Ka nui o ka paʻa | 1.006 g/mL ma 20 °C |
| Kiko heheʻe | 295-300 °C (dec.) (lit.) |
| PH | 4.00-4.02 (25.0℃±0.2℃, 0.05M) |
| ke kū'ē ʻana | H2O：100 mg/mL |
| Nā kūlana mālama | E mālama ma kahi o +5°C a i +30°C. |
Hoʻohana pinepine ʻia ka potassium hydrogen phthalate no ka hoʻoponopono ʻana i nā hopena maʻamau sodium hydroxide ma muli o kona maʻalahi o ka loaʻa ʻana o nā huahana maʻemaʻe ma o ka recrystallization, ka ʻole o ka wai crystallization, ka hygroscopicity ʻole, ka mālama maʻalahi, a me ke kaulike kiʻekiʻe; Hiki ke hoʻohana ʻia no ka hoʻoponopono ʻana i ka hopena waikawa acetic me ka waikawa perchloric (me ka hoʻohana ʻana i ka methyl violet ma ke ʻano he hōʻailona).
Hoʻopili pinepine ʻia i loko o 25kg / pahu, a hiki ke hana ʻia kahi pūʻolo i hoʻopilikino ʻia.
Potassium hydrogen phthalate CAS 877-24-7
Potassium hydrogen phthalate CAS 877-24-7
