che extract is filieceet i oueh a weighed quantitative filter’ <7 
‘washed several times with alcohol, until the filtrate amounts to 00 ec 47 
remaining partly in the flask, and partly on the filter paper, is at once ted 
at room temperature, with ae falioget ier about ea CC. elt 
solvent distilled, and the flasks are then taeed in the: vacuum eee 
of the last traces of solvent. With rhe alcoholic extract, and _ sometimes alba 
some time iéubet on the water bath, and draw air: fatoneh TORRE taste’ as eee as x 
possible, and taking care that the glass tube dipping deeply into the flask « ) . 
touch the civet extract. The flasks are placed in a lying position i in vacuum ee 
accompanied by bubble formation, escapes. 
value of each extract is determined. | 
By weighing the filter after drying at 100° the Lone of fhe civet insole: in. the 
solvent used can be found, and from the difference between quantity of civet used 
and extracts + residue, the water content. If necessary, the ash content. can be 
found by ignition of filter, and the ash further examined. e é ‘! Bean, 
With a little practice, this method can be carried out quickly and smoothly. Wi 
have carried out this method of investigation for a series - Of veats a are > quite 
satisfied with i | 
quantity in sie of the length of time, it is due to the fact. that ceateehe any ‘civet 
arrived during the war years, and that even now, a pure sample is a rarity, at lea 
in our experience, as we shall show later by a few examples. With 12: civet samp 
coming from very trustworthy sources, and which could claim to be. pure and good 
according to their whole behaviour, we have obtained the following results by using 
the above method: — (no yer ter os 
Per cent. ~ Acid value. 4) Ester value. ae ‘eee 
Alcohol extract. . . 45,8 to 58 118.2 to 147.3 29.0 to 53.0 1854 to 182 
Ether extract . . . 126 ,, 19.9 7.9.5 ABO: 64.04 807 ate rt ae 
Chloroform extract. 0.3, 64° 59, ,/ 200° 780, 155.0 98.0, 1 
Résidue i... 2.6 Fo DR OO A GON re 
Water uo. See ee a : a 
As is seen, these values also are subject to great variations, eke as a whole, t 
give a very good idea of the quality of the civet, and very well permit of a 
judgment. On account of the comparative Soe te of material te is y 
in how far they are correct. Yet even at present they can 1 be sae use? ak ur 
The figures need no explanaan, [en it should be aon eee tha te - an 
Te 
gs ay, ah 
a i 
