Reagent for the determination of fat in blood serum

Claim 1

A TEST REAGENT FFOR EXTRACTIVE DETERMINATION OF FAT IN BLOOD SERUM CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF (1) A NON-IONIC SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF TETRADECYLDESOXYPLYETHYLENE GLYCOL, POLYOXYETHYLENE SORBITAN MONOLAURATE, POLYOXYETHYLENE SORBITAN MONOPALIMITATE, ALKARYLOPLYETHOXY ETHANOLS, ALKYLPHENOXYPOLYETHOXY ETHANOL, ISOOCATYLPHENOXYETHOXY ETANOL, AND ALKYL PHENYL POLYETHYLENEGLYCOL ETHER, (2) AN ONOMIC SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF DIOCTYL SODIUM PHOSPHATE, SODIUM TETRADECYL SULFATE, TRIETHANOLAMINE TETRADECYL SULFATE, SODIUM OCTYL SULFATE, DIAMYL SODIUM SLUFOSUCCINATE, DIISOBUTYL SODIUM SULFOSUCCINNATE, AND SODIUM LAURYL SULFATE, AND (3) AS AN AGENT TO RENDER THE ANOMIC SURFACES ACTIVE AGENT MISCIBLE IN AQUEOUS MEDIUM ETHOXY TRIGLYCOL IN AN AMOUNT BY VOLUME EQUIVALENT TO AT LEAST 50% OF THE VOLUME OF SAID ANOMIC SURFACE ACTIVE AGENT, AND THE RATIO OF THE SURFACE ACTIVE AGENTS BEING WIHIN IN THE RANGE OF 1:1 TO 1:20 OF NON-IONIC TO ANIONIC BY VOLUME.