Potassium hydrogen phthalate CAS 877-24-7
Potassium hydrogen phthalate kristal keokeo. ʻO 1.636 ka mānoanoa pili. E hoʻoheheʻe ma kahi o 12 mau ʻāpana o ka wai anuanu a me 3 ʻāpana o ka wai paila; Hiki ke hoʻoheheʻe ʻia i ka ethanol. ʻO ka pH o kahi hoʻonā wai 0.05M ma 25 ℃ he 4.005. Decompose ma 295-300 ℃.
| 'ikamu | Hōʻike |
| Lae paila | 98.5-99.5 ;°C/740 ;mmHg(kukui .) |
| ʻO ka mānoanoa | 1.006 g/mL ma 20 °C |
| Lae hehee | 295-300 °C (Dek.) (kumu) |
| PH | 4.00-4.02 (25.0 ℃ ± 0.2 ℃, 0.05M) |
| kūʻē | H2O:100 mg/mL |
| Nā kūlana mālama | E mālama ma +5°C a i +30°C. |
Hoʻohana pinepine ʻia ka potassium hydrogen phthalate no ka calibration o ka sodium hydroxide solution maʻamau ma muli o ka maʻalahi o ka loaʻa ʻana o nā huahana maʻemaʻe ma o ka recrystallization, ka nele o ka wai crystallization, non hygroscopicity, mālama maʻalahi, a me ke kūlike kiʻekiʻe; Hiki ke hoʻohana ʻia no ka calibration o ka hopena acetic acid me ka perchloric acid (e hoʻohana ana i ka methyl violet ma ke ʻano he hōʻailona).
Hoʻopili pinepine ʻia i ka 25kg / pahu, a hiki ke hana ʻia i ka pōʻai maʻamau.
Potassium hydrogen phthalate CAS 877-24-7
Potassium hydrogen phthalate CAS 877-24-7
