Patent ID: 7229830

Claim:
A standard sample composition, comprising: a) a comminuted foodstuff, the water content of which in a native state is accurately known; b) a complexing agent selected from the group consisting of sodium acetate, sodium citrate, sodium di-hydrogenphosphate, di-sodium hydrogenphosphate, di-sodium di-hydrogen pyrophosphate, tri-sodium monohydrogen pyrophosphate, tetra-sodium pyrophosphate, penta-sodium triphosphate, sodium hexametaphosphate, phosphonic acids, NTA, EDTA, zeolites, Na—Al-silcate, polycarboxylates, and combinations thereof, and c) an alkali salt; and wherein the water content of said composition is <5% by weight of the total composition; and wherein the composition comprises particles the average size of which are <50 μm, and has the property of forming a dispersion when dissolved in a suitable solvent.