What is the specification of final vegetable oil?

Date:2021-01-28/ Edible oil refining technology/ Leave a message

The final Vegetable oil product's specification:

Item		Quality index
Item		1st grade	2nd grade	3rd grade	4th grade
Moisture & Volatile matter/ % ≤		0.05	0.05	0.1	0.2
Impurities / % ≤		0.05	0.05	0.05	0.05
Acid value(KOH)(mg/g) ≤		0.2	0.3	1	1
Peroxide value/(mmol/kg) ≤		5	5	7.5	7.5
Test tempeature (280°C)		_	_	No educt,Lovibond Tintometer: Yellow value not changed,red value increasing<0.4	Trace of educt,Lovibond Tintometer: Yellow value not changed,red value increasing<0.4 blue value<0.5
Saponified matter content / % ≤		_	_	0.03	0.03
Smoke point / °C ≥		215	205	_	_
Freezing test (0°C Storing 5.5hrs)		Transparent	_	_	_
Solvent residue/(mg/kg) ≤	Solvent extraction crude oil	None	None	50	50
Solvent residue/(mg/kg) ≤	Press crude oil	None	None	None	None

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