INDEX. 269 



Polari/.at ion. direct and invert , l>eer !)L' 



lemon oil K;O 



oils |.| | 



sULjar. Holes |(l 



Potash in baking powder I7S 



fertili/ers II |-_> 



solut ion. alcoholic, for use in saponification of fats IMS 



Potassium bichromate, decinormal, preparation !:'><; 



l>itartrate. delect ion in vinegar : lo:; 



cyanid. cyanogen 



for use in formaldehyde determination .;:; 



in inorganic plant constituents L'ii 



plants L>;J 



soils 17 



hydroxid for use in volatile acid determination in fats and oils i:'>9 



solution for use in carbon dioxid determination Hi!) 170 



standard 1 7G 



iodid, solution I'M) 



nitrate determination in meat 1 1 J 



permanganate solution for use in tannin- determinat ion 150 



wine analysis 88 



platinic chlorid, factors for conversion I '2 



sulphate in wine 85 



sulphid solution for use in nitrogen determination 6 



Preservatives, detection in meat 119 



wine 82 



food, detection and determination 179-189 



in beer 94 



Preserves 77-82 



Proctor modification of Lowenthal's method, tannin 150 



Proteids in meat 108 



extracts 115 



test in spices 166 



Protein in beer 92 



cattle foods 57 



coffee 153 



wine 87 



Proteoses and gelatin in meat extracts 115 



in meat 108 



extracts 116 



Pycnometer, solids, water, and specific gravity in saccharine products 66 



Raffinose in foods II 



Reducing sugars in foods 42-53 



Refraction of precipitated lemon oil 1 (JO 



Refractive index, coffee extract 154 



oils and fats 1:1 1-1 



Refractometer in detection of methyl alcohol in distilled liquors loo 



Refractometers, refractive index of oils and fats 131-133 



Reichert-Meissl number, or volatile acids, fats and oils 139 



Kenard test, modified by Tolman, for peanut oil 145 



Renovated butter, special tests 125 



Resin oil polarization 144 



Resins, vanilla, detection in extracts J58 



Richo and Hardy method, detection of methyl alcohol in distilled liquors 



Rimini method of formaldehyde detection 185 



Ritsen 's test, acetanilid detection in vanilla 158 



Rocse method, fusel oil in distilled liquors 



Rota method, identification of organic coloring matters 193 



Rubidium in soils 19 



Saccharin detection in foods and drinks 182 



Saccharine products (54-74 



Saccharometer, Bailing's, correction of readings on account of temperature 



Suchsse method, modified, for starch : 53 



Sachsse-Allihn method for dextrin in beer. . . 91 



