Gravimetric Copper Methods, [pp. 149-170].—General principles; Laboratory copper method; Halle method; Allihn’s method; Meissl’s method; Determination of invert sugar; Estimation of milk sugar; Determination of maltose; Preparation of levulose; Estimation of levulose.
Miscellaneous Methods of Sugar Analysis, [pp. 171-196]; Phenylhydrazin; Molecular weights of carbohydrates; Birotation; Estimation of pentosans; Determination of furfurol; Method of Tollens; Method of Stone; Method of Chalmot; Method of Krug; Precipitation with pyrogalol; Precipitation with phloroglucin; Fermentation methods; Estimating alcohol; Estimating carbon dioxid; Precipitation with earthy bases; Barium saccharate; Strontium saccharate; Calcium saccharate; Qualitive tests; Optical tests; Cobaltous nitrate test; The Dextrose group; Tests for levulose; Tests for galactose; Tests for invert sugar; Compounds with phenylhydrazin; Detection of sugars by means of furfurol; Bacterial action on sugars.
Determination of Starch, [pp. 196-226].—Constitution of starch; Separation of starch; Methods of separation; Separation with diastase; Separation in an autoclave; Principles of analysis; Estimation of water; Estimation of ash; Estimation of nitrogen; Hydrolysis with acids; Factors for calculation; Polarization of starch; Solution at high pressure; Method of Hibbard; Precipitation with barium hydroxid; Disturbing bodies in starch determinations; Colorimetric estimation of starch; Fixation of iodin; Identification of starches; Vogel’s table; Muter’s table; Blyth’s classification; Preparation of starches for the microscope; Mounting in canada balsam; Description of typical starches; Authorities cited in Part Second.
PART THIRD.
SEPARATION AND DETERMINATION
OF CARBOHYDRATES IN CRUDE OR
MANUFACTURED AGRICULTURAL PRODUCTS.
Sugars in Vegetable Juices, [pp. 227-253].—Introduction; Sugar in the sap of trees; Sugar in sugar canes; Weighing pipettes; Gravimeter; Reducing sugars in juices; Preservation of juices; Direct estimation of sugar; Cutting or shredding canes; Methods of analysis; Drying and extracting; Examination of bagasse; Fiber in canes; Sugar beets; Estimation of sugar in sugar beets; Machines for pulping beets; Instantaneous diffusion; Pellet’s process; Alcohol digestion; Extraction with alcohol; Determination of sugar in mother beets; Determination of sugars without weighing; Continuous observation tube.
Analysis of Sirups and Massecuites, [pp. 254-264].—Specific gravity; Determination of water; Determination of ash; Determination of reducing sugars; Estimation of minute quantities of invert sugar; Soldaini’s gravimetric method; Weighing the copper as oxid; Analyses for factory control.
Separation of Carbohydrates in Mixtures, [pp. 264-292].—Occurrence of sugars; Optical methods; Optical neutrality of invert sugar; Separation of sucrose and invert sugar; Separation of sucrose and raffinose; Determination of levulose; Formula for calculating levulose; Separation of sucrose from dextrose; Estimation of lactose in milk; Error due to volume of precipitate; Separation of sucrose, levulose and dextrose; Sieben’s method; Wiechmann’s method; Copper carbonate method; Winter’s process; Separation with lead oxid; Analysis of commercial glucose and grape sugar; Fermentation method; Oxidation method; Removal of dextrose by copper acetate; Separation of dextrin with alcohol.
Carbohydrates in Milk, [pp. 293-298].—Copper tartrate method; The official method; The copper cyanid process; Separation of sugars in evaporated milks; Method of Bigelow and McElroy.
Separation and Determination of Starch and Fiber, [pp. 298-306].—Occurrence; Separation of starch; Dry amyliferous bodies; Indirect method of determining water; Removal of oils and sugars; Preparation of diastase; Estimation of starch in potatoes; Constitution of cellulose; Fiber in cellulose; Official method; Separation of cellulose: Solubility of cellulose; Qualitive reactions for cellulose; Rare carbohydrates; Authorities cited in Part Third.