Jizzax politexnika instituti sanoat texnologiyalari fakulteti 60720100

 
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Laboratoriya ishini tajriba qismini topshirish__________ 
Talaba ____________ ___________________________________ 
(imzo)
O‘qituvchi ___________ ___________________________________ 
(imzo)

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15- LABORATORIYA MASHG’ULOTI 
Sana:______________________ 
MAVZU: GETEROHALQALI BIRIKMALAR 
 
1- Tajriba. Furfurolning olinishi. 
Kеrakli rеaktiv va asboblar; yog’och qipig’i yoki kepak, xlorid kislota eritmasi,kons.nitrat 
kislota,anilin. 
Probirkaning 1/5 qismigacha quruq yog’och qipig’i (yoki kepak) solib, unga qipig’ni 
ko’mguncha xlorid kislota (1:1) eritmasidan qo’shing. Probirkaning og’zini gaz chiqaruvchi egik nay 
o’rnatilgan tiqin bilan berkitib, shtativga mahkamlang va gaz gorelkasi alangasida qizdiring. So’ngra 
nayning bir uchiga anilin xlorid shimilgan filtr qog’oz tutilsa, reaksiya natijasida hosil bo’lgan 
furfurol ta’sirida qog’oz qizil rangga bo’yaladi.