ON SOME N.S.W. TAN-SUBSTANCES. 



99 



QUALITATIVE TESTS, (Dilute Extract)— continued. 



Add Amnionic Chloride 



Ppt rendered paid- 

 in colour and more 

 copious 



Dense dirty salmon 

 ppt 



Ppt a shade darker 

 than E. macrorrhyncha 



Olive green ppt 



Slight turbidity ; 

 forms a yellowish 

 ppt on standing 

 ditto 



Copper Sulpate. 



No change 



Reddish-brown ppt 



Dark salmon ppt 



Very slight turbidity 

 copious light brown 

 on standing 



Salmon coloured ppt 



No change, copious 

 flesh coloured ppt on 

 standing 



No change, orange- 

 brown ppt on stand- 

 ing 

 Same as A. vestita 



Dirty ochre brown 

 ppt 



No change, dirty 

 brown ppt on stand- 

 ing 



ditto 



Light olive-brown 

 ppt on standing 



Turbidity ; slight 

 brownish ppt on 

 standing 



ditto 



No change ; slight 

 light brown ppt on 

 standing 



Dense brown ppt 



Pure purple brown 

 ppt 



Turbidity 



Light purplish-brown 

 ppt 



Dirty flesh-coloured 

 ppt 



No change ; - slight 



light-brown ppt on 



standing 



Same as A. vestita, 



but perhaps a shade 



lighter 



Add Ammonia. 



No change, abundant 

 bright reddish-brown 

 ppt on standing 



Turbidity 



Dark brown ppt 

 Brownish-black ppt 



ditto 

 Dark olive-brown ppt 

 Light brown ppt 



ditto 

 No change 



Dark-brown ppt 



Purple brown ppt 

 No change 



Same as A. vestita 

 Pure dark brown ppt 

 Lightish-brown ppt 

 Same as A. vestita 



No change 



10 



One drop of strong sul- 

 phuric acid to one drop 

 of extract on a white 

 glazed tile. 



Yellowish brown 

 colour 



Reddish-brown color 



ditto 

 Pure yellow colour 



Light yellowish- 

 brown colour 



Light reddish-brown 

 colour 



Slight brownish 

 colour 



Same as E. Gunnii, 

 (Boinbala) 



Rose-madder colour, 

 fading to a brown on 

 standing 



Slightly darker than 

 E. Gunnii (Delegate) 



Same as A. vestita 

 Brown colour 

 Same as A. pendula 

 Same as A. vestita 



Burnt Sienna colour 



