Chapter VI The Photographic Properties of Iodide of Silver Upon Collodion
| Section I.—Collodion.—Pyroxyline—its varieties—its chemical composition.—Means of obtaining Nitro-Sulphuric Acid of the proper strength.—Solvents for Pyroxyline.—Variation of physical properties in different samples of Collodion.—The changes which Iodized Collodion undergoes by keeping | 75 |
| Section II.—The Chemistry of the Nitrate Bath.—Its solvent action on Iodide of Silver.—Acidity and Alkalinity of the Nitrate Bath.—Formation of Acetate of Silver in the Bath.—The substances which decompose the Bath.—Changes in the Nitrate Bath by use | 86 |
| Section III.—The Conditions which influence the Formation and Development of the Latent Image.—Causes which increase or diminish the sensitiveness of the film to Light.—Conditions which hasten or retard development | 91 |
Section IV.—On certain irregularities in the Developing Process.—Effect of particular states of the Bath, and of the Collodion, in producing clouding of the Image, and of acids in obviating it 103