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O‘ZBEKISTON RESPUBLIKASI
OLIY VA O‘RTA MAXSUS TA’LIM VAZIRLIGI
JIZZAX POLITEXNIKA INSTITUTI
SANOAT TEXNOLOGIYALARI FAKULTETI
60720100
- Oziq-ovqat texnologiyasi
(mahsulot turlari bo’yicha)
___________________ guruh talabasi
__________________________________________ NING
ORGANIK KIMYO
Fanidan laboratoriya mashg’ulotlari
O‘QITUVCHINING IMZOSI ____________________________
HISOBOT QABUL QILINGAN SANA ____________________
JIZZAX - 2023
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1-LABORATORIYA MASHG’ULOTI
Sana:______________________
MAVZU:
ORGANIK MODDALARNI TOZALASH USULLARINI O’RGANISH.
QAYTA KRISTALLASHNI BILISH.
Ishdan maqsad: Turli agregat holatdagi aralashmalar tarkibidan tegishli moddalarni ajratib olish
va tozalash usullari bilan tanishish.
1-tajriba. Moddalarni kristallash
Kеrakli rеaktiv va asboblar. benzoy kislota yoki limon kislotasi, 50 ml li kimyoviy stakan, spirt
lampa, filtr qog’oz, voronka, nutch-filtr, shtativ.
Ishning bajarilish tartibi. Tozalanmagan benzoy kislota yoki asetaniliddan 1 gr stakanga soling.
Ustiga
oz-ozdan suv quyib, qaynaguncha sekin qizdiring. Moddaning
hammasi erib ketguncha suv
quyishni davom ettiring (15-20 ml) va qaynoq eritmani filtr qog’ozli voronkadan o’tkazing.
Filtrni
sovuq suv oqimida soviting va hosil bo’lgan kristallni nutch-filtr yordamida ajrating.
Kuzatilgan
jarayonlar asosida xulosa chiqaring.
XULOSA_________________________________________________________________________
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Laboratoriya ishini tajriba qismini topshirish__________
Talaba ____________ ___________________________________
(imzo)
O‘qituvchi
___________ ___________________________________
(imzo)
