घी में वनस्पति की मिलावट का कैसे पता लगाते हैं? How to detect the presence of Vanaspati in ghee?
ฝัง
- เผยแพร่เมื่อ 23 ต.ค. 2024
- Principle and procedure for the detection of vanaspati in ghee using Baudouin test
#Baudouintest #vanaspati #ghee #testing #laboratory #adulteration #milawat
1 In a test tube take about 5 g of melted fat.
2. Add 5 ml of concentrated HCl (AR grade).
3. Add 0.4 ml furfural solution (2% in alcohol) and vortex the tube for 2 min.
4. Leave the tube undisturbed for separation.
5. In presence of vanaspati, pink or red color will get developed in the test tube.
6. Confirm by adding 5 ml distilled water and shake again.
7. Persistence of the color in the acid layer, confirms presence of vanaspati. If the color disappears, vanaspati it is absent.