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Rapport

by Clarke, R.J; Walker, L.J; Association Scientifique Internationale du Café, París (Francia); 7. Colloque International sur la Chimie des Cafés Verts, Torrefies et Leurs Derives Hambourg (Alemania, R.F.) 1975.
Publisher: París (Francia) 1976Description: p. 159-163.Other Title: The interrelationship of potassium contents of green, roasted and instant coffees.Subject(s): PROPIEDADES FISICO-QUIMICAS | POTASIO | ANALISIS QUIMICO | ANALISIS DE TEJIDOS | GRANOS | COMPOSICION DEL GRANO | CAFE VERDE | SOIL CHEMICOPHYSICAL PROPERTIES | POTASSIUM | TISSUE ANALYSIS | GRAIN | PROPRIETE PHYSICOCHIMIQUE DU SOL | POTASSIUM | ANALYSE DE TISSUS | GRAINSummary: The potassium content of a considerable number of fully characterized commercial green coffees in multiple sampling, has been determined by flame photometry. Atomic absorption methods have also been used. The variability of potassium content is shown to be at least ¦ 10 of the average. Instant coffees prepared from these green coffees have also been assessed for their potassium content, which have been related to their green yields directly determined from the experimental runs. This relationship reflects the variability of potassium content found in the green coffees. The reasons for this variability is discussed
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++Dat. num. 5 ref. Sum. (En)

The potassium content of a considerable number of fully characterized commercial green coffees in multiple sampling, has been determined by flame photometry. Atomic absorption methods have also been used. The variability of potassium content is shown to be at least ¦ 10 of the average. Instant coffees prepared from these green coffees have also been assessed for their potassium content, which have been related to their green yields directly determined from the experimental runs. This relationship reflects the variability of potassium content found in the green coffees. The reasons for this variability is discussed

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