FATS OILS - P2

KOETTSDORFER number

SAPONIFICATION value AKA:

Blank test

is performed to eliminate errors from all sources like those produced by absorption of CO2 by the alkali or by the alkalinity of the glass vessels.

ESTER VALUE

IMPORTANT in the analysis of beeswax, which serves to indicate the presence of adulterants like paraffin

paraffin

ESTER VALUE

IMPORTANT in the analysis of beeswax, which serves to indicate the presence of adulterants like??

PARAFFIN WAX

- is consists of HIGH MW aliphatic hydrocarbons

HIGH acid value

LOW ester value

high ALDELTERANT MEAN??/

UNSAPONIFIABLE MATTER

Determination of this constant will indicate the presence of unsaponifiable adulterants such as petroleum oil added to linseed oil.

IODINE VALUE

This value is a quantitative measure of the proportion of UNSATURATED FATTY ACIDS present both free and combined as esters that have the property of absorbing iodine.

IODINE FLASK

Is used to prevent other side reaction from taking place in which iodine monochloride is consumed.

PEROXIDE VALUE -

the number , in mEq of oxygen, of peroxides in 1 gram sample

ANISIDINE VALUE -

Defined as 100 times the absorbance (at 350nm) of a solution resulting from reaction of 1g of fat in 100mL of solvent

TOTAL OXIDATION VALUE -

combined PV and Anisidine value (2PV + AV)

SOLIDIFICATION TEMPERATURE OF FA -

Congealing point