39 



Siilplionic acids, see Acids. 



Tungsten . . 

 Unclassified substances 

 Unsaturated alcohols 



aldehydes , 



amines 



hydrocarbon; 



ketones 



Uranium . . 

 Urine analysis 

 Valency . . 

 Vanadium 

 Vapour pressure . 

 Varnish . . 

 Vegetable alkaloids 

 Victoi'ium. , 

 Viscosity . . 

 Water analysis 

 Wax 



Wolfram . . 

 Xenon 

 Ytterbium 

 Yttrium . . 

 Zinc 

 Zirconium. . 



0840 

 5200 

 122G 

 1420 

 1620 

 1120 

 1520 

 0810 

 6520 

 7015 

 0820 

 7160 

 6545 

 3010 

 0830 

 7170 

 6510 

 6540 

 0840 

 0850 

 0870 

 0860 

 0880 

 0890 



