A method is proposed for making quasi-solid specimens for x-ray fluorescenc
e analysis by the introduction of a thickening agent (gelatin or agar, star
ch, mater-soluble organosilicon polymer) into a liquid aqueous concentrate
obtained by crystallization concentration, An organogel is obtained based o
n an organic extract and a surface-active substance, Such specimens may be
used in x-ray spectrometers for solid sample analyses. Copyright (C) 1999 J
ohn Wiley & Sons, Ltd.