Potassium hydrogen phthalate CAS 877-24-7
Potassium hydrogen phthalate farin lu'ulu'u. Matsakaicin dangi shine 1.636. Narke a cikin kusan sassa 12 na ruwan sanyi da sassa 3 na ruwan zãfi; Dan kadan mai narkewa a cikin ethanol. pH na maganin ruwa na 0.05M a 25 ℃ shine 4.005. Bazuwa a 295-300 ℃.
| Abu | Ƙayyadaddun bayanai |
| Wurin tafasa | 98.5-99.5;°C/740;mmHg(lit.) |
| Yawan yawa | 1.006 g/ml a 20 ° C |
| Wurin narkewa | 295-300 °C (dic.) (lit.) |
| PH | 4.00-4.02 (25.0 ℃ ± 0.2 ℃, 0.05M) |
| resistivity | H2O: 100 mg/ml |
| Yanayin ajiya | Adana a zazzabi +5°C zuwa +30°C. |
Potassium hydrogen phthalate ana amfani dashi da yawa don daidaita daidaitattun mafita na sodium hydroxide saboda sauƙin samun samfurori masu tsabta ta hanyar recrystallization, rashin ruwa na crystallization, rashin hygroscopicity, ajiya mai sauƙi, da babban daidaici; Hakanan za'a iya amfani dashi don daidaita maganin acetic acid tare da perchloric acid (ta amfani da methyl violet azaman mai nuna alama).
Yawancin lokaci cushe a 25kg / drum, kuma kuma za a iya yi musamman kunshin.
Potassium hydrogen phthalate CAS 877-24-7
Potassium hydrogen phthalate CAS 877-24-7
