in eshinatinw the Wenge Bi in mustard 
macerated has an influence on the result. a SE 
determined the best way of treating the seeds Preparatory 
-and arrived at the following results: — a a WG : 
increases the HENS cts a oil set ies! ue ; 
For the test, the powdered seed was passed through a sieve 
- According to Viehoever, the beds condition is ae pratialr tan. 2 ious 
ae ently without alcohol). The German pharmacopecia_ prescribes a2 hrs. 1 
20; to 25°. Viehoever mentions that the results obtained a Réser 1 
‘Balsams.— On account of the literature and nears experiment 
pines forward new aes as to how the Secuions | in the Bs, 
copaiba pidsare and 1 vol. aqueous ‘ammonia maliet be neither Sakae nor il 
oils), and Saas also not to bg ad after see hours. ‘There should be 10 
Peru balsam. — The balsam | is obtained: from Wein Perein, Klo ai sch, 
to 1.180. On warming, the balsam ought not to smell of turpentine oil, a 
or storax; and after half an hour it should have lost 2.5 per cent. of 
most. A mixture of 3 vols. of Peru balsam with 1 vol. of carbon 
to be clear (test for artificial balsan): On gies ee 5 nae? 
On pouring off and evaporating the light eoaalen: ‘and decane 
one drop of concentrated nitric acid (d 1.4) a yellow colour 
blue or green (test for artificial balsams). The. acid value ‘'s ; 
The balsam must contain 55 to 80 per cent. Baus © ee 
is not under 235, when determined as with fatty ote p 
1) Journ. Assoc. of Official Agricult. Chem. 3 (1920), 381. jy vc 
Weekblad 56 (1919), 1185. As per Chem. eg ee ee, Iv. 582 Ae Naar 
ee, 
