2-68 METHODS OF ANALYSIS. 



Page. 



Mustard, prepared 167-168 



sulphur determination 164 



Muter method, modified by Lane, fatty acids determination 1-12 



Nicotin in tobacco, Kissiing method S2 



Nitrate potassium, in meat Ill- 1 i :i 



of silver. (See Silver nitrate.) 



Nitrates detection in wine 88-89 



nitrogen determination 8 



Nitric acid solution, electrolytic deposition method, copper determination . . . ">!_' 



use in chlorin determination L':', 



formaldehyde determination 33 



Nitrogen, conversion to protein, table 231 



in cheese 127 



fertilizers 5-11 



foods . . 38 



fruits and fruit products 



soils 



spices 162 



Nitrogenous substances, in meat 108 



extracts 

 Nontannins in tanning materials .- 36, 37 



Oil, cotton-seed, tests : 144-145 



lemon, in lernon extract 16( 



olive, adulterants, detection 145, 146 



peanut, test 145 



resin test 



sesame, qualitative tests 14C 



volatile, in tea I ">( 



Oils, edible 129-14^ 



Olive oil, adulterants detection 145, 14( 



Olive oil, detection of peanut oil, note 14( 



sesame oil, note 



Opium, assay directions 201 L'OL 



Orange, methyl, use as indicator 25, 31 



Oxalic acid, detection in vinegar lOc 



use in wine analysis 88 



