Collaborative test of determination of iodine value in fish oils. 1. Reaction time and carbon tetrachloride or cyclohexane as solvents

Autor:	Stuart M. Barlow, Snorri Thorisson, Anthony P. Bimbo, Eric L. Miller, D. E. Walters
Rok vydání:	1997
Předmět:	Reproducibility Chromatography Cyclohexane General Chemical Engineering Organic Chemistry chemistry.chemical_element Repeatability Fish oil Iodine Solvent chemistry.chemical_compound Iodine value chemistry Carbon tetrachloride Organic chemistry
Zdroj:	Journal of the American Oil Chemists' Society. 74:1077-1083
ISSN:	0003-021X
Popis:	Twenty-two laboratories participated in a collaborative test to determine the iodine value (IV) of eight samples of fish oil (four with IV 150) with either carbon tetrachloride (AOCS Official Method Cd 1–25) or cyclohexane (AOCS Recommended Practice Cd 1b-87) as solvent and either 1 or 2 h of reaction time. Laboratories received coded duplicate samples (hidden duplicates) and carried out duplicate determinations on each oil by each solvent-time combination (open duplicates). Replacing carbon tetrachloride with cyclohexane resulted in a lower IV (P
Databáze:	OpenAIRE
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